Chess (February): Hou scores big achievement in Gibraltar; Aronian wins in Wijk; Aeroflot begins

[Jack Rabbit]

15. Shimanov - Rozanthalis, Round 8

Aleksander Shimanov, a young Russian GM, finished behind his veteran compatriot, Sergey Volkov, in last year's Rilton, but won the event this year.

[center]

[/center]

[center]Aleksandr Shimanov (right) palying blitz against Anastasia Bodnaruk[/center][font size="1"]Posted to YouTube by Sergey Sorokhtin
[/font]

Aleksandr Shimanov - Eduardas Rozentalis
Rilton Cup, Round 8
Stockholm, 4 January 2012

Open Queen's Gambit: Catalan Opening

1.d4 Nf6 2.Nf3 e6 3.g3 d5 4.c4 Be7 5.Bg2 0-0 6.0-0

• If [font color="red"]6.Qc2[/font] then:
• If [font color="red"]6...c6 7.0-0 Nbd7[/font] then:
• If [font color="red"]8.Nbd2 b6 9.e4 Bb7[/font] then:
• If [font color="red"]10.e5 Ne8 11.cxd5[/font] then:
• If [font color="red"]11...cxd5 12.Re1[/font] then:
• If [font color="red"]12...Rc8 13.Qa4[/font] then:
• If [font color="red"]13...Bc6[/font] then:
• If [font color="red"]14.Qb3 b5 15.Bf1[/font] then:
• If [font color="red"]15...Qb6 16.Bd3 b4 17.Nf1 h6[/font] then:
• [font color="red"]18.Bb1 Bb5 19.Ne3 f5 20.Ng2 Rf7 21.h4[/font] gives White a good grip on the kingside fark squares (Kozul-Kovacevic, Croatian Ch, Vukovar, 2005).
• [font color="burgundy"]18.Bf4 Bb5 19.Bb1 f5 20.exf6 Nexf6 21.N1d2 a5[/font] is equal (Izoria-Nadera, Op, Dubai, 2004).
• [font color="darkpink"]15...b4 16.Ba6 Rb8 17.Bd3 Bb5 18.Bb1 Rc8 19.Nf1[/font] is equal (Avrukh-Al Timani, Op, Bajada de la Virgen, Spain, 2005).
• [font color="darkorchid"]14.Qd1 Bb5 15.Nf1 Nb8 16.h4 Nc6 17.a3 Na5[/font] is equal (Gunina-Pogonina, Russian ChW, Moscow, 2011).
• If [font color="darkred"]13...a5[/font] then:
• If [font color="darkred"]14.Nf1 Ba6 15.Qd1[/font] then:
• If [font color="darkred"]15...Nb8 16.h4[/font] then:
• [font color="darkred"]16...Nc6 17.a3 Bb5 18.Bf4 a4 19.Ne3 Na5[/font] is equal (Milchev-Nikolov, Bulgarian Ch, Kyustendil, 2010).
• [font color="purple"]16...Bb4!? 17.Bd2 Qe7?! 18.a3 Bxd2 19.Qxd2 Nc7 20.Ne3[/font] gives White the advantage in space (Iljushin-Asrian, World Jr Ch, Yerevan, 2000).
• [font color="darkorange"]15...b5 16.h4 Nb6 17.Bf4 Nc4 18.Rb1 a4 19.N1h2 a3[/font] gives Black a slight advantage (Sandipan-Nezad, Op, Gibralrar, 2009).
• [font color="magenta"]14.Bf1 Bc6 15.Qd1 Nc7 16.Bd3 Bb5 17.Bb1 Re8[/font] gives White a very slight advantage in space (Stefanova-Pelletier, Op, Athens, 2006).
• If [font color="darkred"]12...Ba6 13.Nf1 Rc8 14.Qd1[/font] then:
• If [font color="darkred"]14...Nb8 15.h4 Nc6 16.Bg5[/font] then:
• [font color="darkred"]16...Bxg5 17.hxg5 Ne7 18.Ne3 Qd7 19.Qd2 Nf5[/font] draw (Filippov-Khenkin, Euro Club Cup, Fügen, Austria, 2006).
• [font color="darkorange"]16...Na5 17.Ne3 Nc7 18.Rc1 h6 19.Bxe7 Qxe7 20.Qd2[/font] is equal (C.-A. Foisor-Javakhishvili, Euro ChW, Dresden, 2007).
• [font color="magenta"]14...Nc7 15.h4 h6 16.h5 Nb8 17.Ne3 Nc6 18.Ng4[/font] is equal (Filippov-Frolyanov, Russian ChT, Sochi, 2005).
• If [font color="darkred"]11...exd5[/font] then:
• [font color="darkred"]12.Re1 Nc7 13.Nf1 Ne6 14.Ne3 g6 15.Bh3[/font] gives White a small advantage in space (Gordon-Gormally, British Ch, Canterbury, 2010).
• [font color="magenta"]12.Nb1 Nc7 13.Nc3 Ne6 14.Be3 f5 15.exf6 Bxf6 16.Rad1[/font] gives White a small advantage in space (Pettersen-Nezad, Op, Gibraltar, 2010).
• If [font color="darkred"]10.Rd1 Rc8 11.b3[/font] then:
• If [font color="darkred"]11...c5 12.exd5 exd5[/font] then:
• [font color="darkred"]13.dxc5 Bxc5 14.Qf5 g6 15.Qg5 Ne4 16.Nxe4 dxe4[/font] is equal (Zhou Jianchao-Grachev, Aeroflot Op, Moscow, 2008).
• [font color="burgundy"]13.Qf5 Re8 14.Bb2 g6 15.Qh3 Bf8 16.dxc5 Nxc5[/font] is equal (Ghaem Maghami-Orr, Mindsports Rpd, Beijing, 2010).
• If [font color="magenta"]11...Qc7 12.Bb2 Rfd8 13.Rac1 Qb8[/font] then:
• [font color="magenta"]14.e5 Ne8 15.cxd5 cxd5 16.Qd3[/font] gives White a slight advantage in space (Szabo-Rossetto, IT, Asunción, Paraguay, 1960).
• If [font color="darkorange"]14.Ne1 Qa8 15.Nd3 dxe4 16.Nxe4[/font] then:
• If [font color="darkorange"]16...c5 17.Nxf6+ Bxf6 18.Bxb7 Qxb7 19.dxc5[/font] then:
• [font color="darkorange"]19...bxc5 20.Bxf6 gxf6 21.Qe2[/font] gives White stronger pawns and a safer King (Najdorf-Rossetto, IT, Buenos Aires, 1970).
• [font color="purple"]19...Bxb2 20.Qxb2 Nxc5 21.Nxc5 bxc5 22.Rd2[/font] gives White a small advantage wioth stronger pawns.
• [font color="hotpink"]16...Nxe4 17.Bxe4 Nf6 18.Ne5 Nxe4 19.Qxe4 c5[/font] is equal
• If [font color="darkred"]8.b3 b6 9.Rd1[/font] then:
• If [font color="darkred"]9...Ba6 10.Bf4 Rc8 11.Nc3 Qe8 12.e4 dxc4[/font] then:
• If [font color="darkred"]13.Nd2 e5 14.dxe5 Ng4[/font] then:
• If [font color="darkred"]15.Nxc4 Bxc4 16.bxc4 Bc5[/font] then:
• If [font color="darkred"]17.Rd2 18.Rd1 Bc2 19.Rdc1[/font] draws by repetition (Vidit-Sjugirov, World Jr Ch, Chennai, 2011).
• [font color="burgundy"]17.Rf1 Ndxe5 18.h3 Nf6 19.Nd1 Rd8 20.Be3 Qe7[/font] gives Black a comfortable advantage in space (Le Thanh Tu-Javakhishvili, World ChTW, Ekaterinburg, 2007).
• [font color="darkpink"]15.Bh3 Ndxe5 16.Nxc4 Bxc4 17.Bxe5 Be6 18.Bxg4 Bxg4[/font] gives Black a slight advabntage in space (Sethuraman-Narayanan, World Jr Ch, Chennai, 2011).
• If [font color="magenta"]13.bxc4 Bxc4 14.Nd2 Ba6 15.Qa4 Bd3[/font] then:
• If [font color="magenta"]16.Ndb1 Bxb1 17.Raxb1 a5 18.Qb3 b5 19.e5 a4 20.Qb2[/font] is equal (Tkachiev-Gelfand, World Cup, Shenyang, 2000).
• [font color="hotpink"]16...b5 17.Qxa7 Bxb1 18.Raxb1 b4 19.Ne2 Ra8 20.Qc7[/font] gives White a better center, but Black is about to establish his Rook at a2 (Grischuk-Ponomariov, World Cup, Khanty Mansiysk, 2005).
• If [font color="darkorange"]16.Nb3 Bc2 17.Rdc1[/font] then:
• If [font color="darkorange"]17...Bd3 Ndxe5 18.h3 Nf6 19.Na4 Bb4 20.Rdd1[/font] gives White a fair advantage in space (Zhukova-Arabidze, Euro ChW, Rijeka, 2010).
• [font color="purple"]17...Bxb3!? 18.axb3 e5 19.dxe5 Ng4 20.Bh3[/font] gives White a slight advantage (Wang Hao-Jakovenko, TM, Ningbo, 2008).
• If [font color="magenta"]9...Bb7 10.Nc3 Rc8 11.e4 dxe4 12.Nxe4[/font] then:
• If [font color="magenta"]12...c5 13.Nxf6+ Bxf6 14.Ng5 Bxg5 15.Bxb7 Rc7[/font] then:
• If [font color="magenta"]16.Be4 f5[/font] then:
• If [font color="magenta"]17.Bg2 cxd4 18.Bxg5 Qxg5 19.Rxd4 e5[/font] then:
• [font color="magenta"]20.f4 Qf6 21.fxe5 Nxe5 22.Rad1 Ng4 23.Qd2[/font] gives White a slight adveantage with the remote pawn majority and power in the d-file (S. Ernst-Al Timimi, Ol, Bled, 2002).
• [font color="burgundy"]20.Rd5 Qe7 21.Rad1 Nf6 22.Rd6 e4 23.Qd2 h6[/font] gives Black equality thans to his advanced central pawns limiting the scope of White's Bishop (Hryhorenko-Kieu Thien Kim Le, Mindsports Rpd, Beijing, 2008).
• [font color="darkpink"]17.d5 fxe4 18.dxe6 Bf6 19.Qxe4 Bxa1 20.e7 Qc8[/font] is equal after the forced exchange on f8 (Rogers-Godena, Ol, Minila, 1992).
• [font color="darkorchid"]16.dxc5 bxc5 17.Bg2 Bf6 18.Rb1 Bd4 19.b4[/font] gives White a small advantage in space (Dedijer-Khieu Thien Kim Le, OlW, Dresden, 2008).
• If [font color="darkorange"]12...Nxe4[/font] (from a statistical point of view, this exchange is suspect) [font color="darkorange"]13.Qxe4[/font] then:
• If [font color="darkorange"]13...Nf6 14.Qc2[/font] then:
• If [font color="darkorange"]14...Qc7 15.Bf4 Bd6[/font] then:
• If [font color="darkorange"]16.Bxd6 Qxd6 17.c5[/font] then:
• If [font color="darkorange"]17...Qc7 18.b4[/font] then:
• [font color="darkorange"]18...Rcd8 19.Ne5 Nd5 20.Rab1 b5 21.Be4 h6 22.Qd2[/font] gives White a fair advantage in space (Andonovski-Ra. Byrne, Euro Club Cup, Rogaska Slatina Slovakia, 2011).
• [font color="darkpink"]18...Nd5 19.a3 f6 20.Re1 Rce8 21.Re4 Bc8 22.Bh3[/font] gives White a small advantage in space (Kosinen-Zamit, Op, Glyfada, Greece, 2001).
• If [font color="purple"]17...Qe7[/font] then:
• [font color="purple"]18.Ne5 Nd5 19.Be4 h6 20.Rac1 Rfd8 21.Bh7+ Kh8 22.Bg6 f5 23.Bxf5[/font] Black resigns (Ksieski-Horther, TT 0001, Bavaria, 2001).
• [font color="hotpink"]18.h4 Rfd8 19.b4 Nd7 20.a4 f6 21.a5 bxc5 22.a6[/font] gives Black a powerful advantage as the Bishop must either be lost or entombed on a8 (Sulava-Spinelli, Op, Imperia, Italy, 2001).
• [font color="darkpink"]16.Be5 Nd7 17.Ng5 g6 18.Bxd6 Qxd6 19.c5[/font] gives White a strong game with the initiative and a clear advantage in space (Rayner-Kakkanas, Op 0809, Hastings, 2008).
• [font color="darkorchid"]14...Bd6 15.c5 Be7 16.Bg5 h6 17.Bxf6 Bxf6 18.b4[/font] is equal (Kachiani-Tsinganova, Euro ChTW, Debrecen, 1992).
• If [font color="purple"]13...Qc7 14.Bf4 Bd6 15.Bxd6 Qxd6[/font] then:
• If [font color="purple"]16.c5 Qe7 17.b4 Ba6[/font] then:
• [font color="purple"]18.Qc2 Nf6 19.a4 Nd5 20.Rab1 Rfd8 21.Re1[/font] gives White a fair advantage in space (de Melo-Zielinski, Corres, 2008).
• [font color="darkpink"]18.Rdc1 Nf6 19.Qe1 Nd5 20.Ne5 Qb7 21.cxb6 axb6 22.a4[/font] gives White the advantage in space (Smejkal-Schultz, Op, Bad Wörishofen, 1988).
• [font color="hotpink"]16.Qc2 Rfd8 17.Rac1 Qc7 18.c5 bxc5 19.dxc5[/font] gives White a fair advantage in space; Black is badly cramped (Rogoff-Bisguier, US Ch, Chicago, 1974).
• If [font color="darkred"]6...c5 7.0-0 cxd4 8.Nxd4 Nc6 9.Nxc6 bxc6 10.b3[/font] then:
• If [font color="darkred"]10...a5 11.Nc3 Ba6 12.Rd1[/font] then:
• If [font color="darkred"]12...Qc7 13.Na4[/font] then:
• If [font color="darkred"]13...Rac8[/font] then:
• [font color="darkred"]14.Be3 c5 15.cxd5 Nxd5 16.Bxd5 exd5 17.Rxd5[/font] gives White a fair advantage in space thanks to his centraled Rook (Pantsulaia-Kanep, Op, Cappelle-la-Grande, 2011).
• [font color="burgundy"]14.Bb2 Rfd8 15.Rac1 Qb8 16.Bc3 Bb4 17.e3[/font] gives White a small advantage in space (Razuvaev-Geller, Soviet Ch, Vilnkius, 1980).
• [font color="darkpink"]13...dxc4 14.bxc4 Rab8 15.Bd2 e5 16.Rab1 Rxb1 17.Rxb1[/font] gives White a small advantage in space (Gulko-Hjartarsson, IT, Linares, 1989).
• If [font color="magenta"]12...Qb6 13.Na4 Qb7[/font] then:
• [font color="magenta"]14.Bd2 Rfe8 15.Rab1 Bb4 16.Bc1 Qe7 17.h3 h6[/font] is equal (Jobava-Azarov, Euro Ch, Aix-les-Bains, 2011).
• [font color="darkorange"]14.Bb2 Rfd8 15.Rab1 Rac8 16.Bc3 Qc7 17.Be1 Bb4[/font] is equal (Vaganian-K. Georgiev, Euro ChT, Debrecen, 1992).
• If [font color="magenta"]10...Ba6 11.Rd1 Qb6[/font] then:
• If [font color="magenta"]12.Be3 Bc5 13.Bxc5 Qxc5 14.Nc3[/font] then:
• If [font color="magenta"]14...dxc4 15.Ne4 Nxe4 16.Bxe4[/font] then:
• [font color="magenta"]16...g6 17.Bd3 Qb4 18.Bxc4 Bxc4 19.Qxc4 Qxc4 20.bxc4[/font] is equal and drawish (Ptacnikova-Galego, Op, Reykjavik, 2006).
• [font color="hotpink"]16...f5 17.Bd3 f4 18.Bxh7+ Kh8 19.g4[/font] is equal.
• [font color="purple"]14...Rab8 15.Na4 Qb4 16.Nb2 Rfd8 17.Nd3 Qd6 18.Qc3[/font] gives White the threat of 19.Qa5, which Black should deal with immediately (Kerr-Bourquin, Corres, 2002).
• [font color="darkorange"]12.Nc3 Rac8 13.Na4 Qa5 14.Bd2 Qc7 15.Rac1 Ba3[/font] is equal (Miroshnichenko-L. Guliev, Op, Baku, 2010).

6...dxc4

• The game has transposed into an Open Catalan.

[center]BLACK[/center]

[center][/center]

[center]WHITE[/center][center]Open Queen's Gambit: Catalan Opening[/center][center]Position after 6...dc4[/center]

7.Qc2

• If [font color="red"]7.Ne5[/font] then:
• If [font color="red"]7...Nc6 8.Nxc6 bxc6[/font] then:
• If [font color="red"]9.Na3 Bxa3 10.bxa3[/font] then:
• If [font color="red"]10...Nd5 11.Qa4 Nb6[/font] then:
• If [font color="red"]12.Qxc6 Rb8 13.Qc5[/font] then:
• If [font color="red"]13...Ba6 14.Bf4 Nd5 15.Qxa7[/font] then:
• If [font color="red"]15...Rb6 16.Bxd5 Qxd5 17.Bxc7 Bb7 18.f3[/font] then:
• [font color="red"]18...Ra6 19.Qc5 Rc8 20.Qxd5 Bxd5 21.Bf4[/font] draw (Ftacnik-Karajica, IT, Dortmund, 1981).
• [font color="burgundy"]18...Rb2 19.Rab1 Ra8 20.e4 Qb5 21.Qb6[/font] puts an end to Black's initiative and leaves White with two extra pawns in a Rook ending (Palatnik-Razuvaev, Soviet Ch ½-final, Tbilisi, 1973).
• [font color="darkpink"]15...Nxf4 16.gxf4 Qd6 17.Rfc1 Rb2 18.e3 g6 19.Rc3 Rc8 20.Bf3 Kg7 21.Rd1 Rd8[/font] draw (Sveshnikov-Balashov, Soviet Ch, Minsk, 1979).
• If [font color="darkred"]13...Bb7 14.e4[/font] then:
• If [font color="darkred"]14...Qd6 15.Bf4 Qxc5 16.dxc5 Na4[/font] then:
• If [font color="darkred"]17.Rfc1 Ba6 18.Bf1 Nxc5 19.Bxc4 Rfc8[/font] then:
• [font color="darkred"]20.Bxa6 Nxa6 21.Rc6 Rb6 22.Rac1 Kf8 23.Be3 Rxc6 24.Rxc6[/font] gives White a fair advantage with the active Rook (Raetsky-Thoma, Op, Schwaebisch Gmuend, 2001).
• [font color="purple"]20.Be3 Bxc4 21.Rxc4 Nd7 22.Rac1 Rb7 23.Rb4[/font] gives White a comfortable advantage in space (Chekhov-Baikov, Moscow Ch, 1979).
• [font color="darkorange"]17.Bxc7 Rbc8 18.Bd6 Rfd8 19.Rfd1 h6 20.Rd4[/font] will soon leave White two pawns up (Efimenko-Moen, Euro Club Cup, Plovdiv, 2010).
• [font color="magenta"]14...Qd7 15.Be3 Bc6 16.Rfc1 Bb5 17.Rab1 a6 18.Qb4[/font] is equal (Hausner-Velimirovic, Pavlica Mem, Banja Luka, 1981).
• [font color="darkorchid"]12.Qa5 Bb7 13.Rd1 Qc8 14.e4 f5 15.f3 Ba6[/font] is equal (Andreikin-Karthikeyan, World Jr Ch, Gaziantep, 2008).
• If [font color="darkred"]a) 10...Ba6 11.Bxc6 Rb8 12.Qa4[/font] then:
• If [font color="darkred"]12...Rb6[/font] then:
• If [font color="darkred"]13.Bg2[/font] then:
• If [font color="darkred"]13...Nd5 14.Qc2 f5 15.e4 fxe4 16.Bxe4[/font] then:
• [font color="darkred"]16...Nf6 17.Bg2 Nd5 18.Re1! Qf6 19.Re5 h6 20.f4[/font] is equal (Palatnik-Kruppa, Soviet Ch ½-final, Kherson, 1989).
• If [font color="magenta"]16...h6[/font] then:
• [font color="magenta"]17.Bg2?! Qf6! 18.Be3 c3 19.Rfb1 Bc4[/font] gives Black an advanced passed pawn and the better Bishop and more active pieces in general (Vladimirov-Vaganian, GMA Qual, Moscow, 1990).
• If [font color="darkorange"]a1) 17.a4 Qe7 18.a5 Rb5[/font] then:
• [font color="darkorange"]19.Rd1 Rbb8 20.Re1 c6 21.Bxd5 cxd5 22.Bf4 Rb4[/font] is equal.
• If [font color="purple"]19.Re1 c6[/font] then:
• [font color="purple"]20.Bb2 Rb7 21.Qd2 Qd6 22.Rac1 h5[/font] is equal.
• [font color="hotpink"]20.Qxc4!? Rb1! 21.Qxa6 Rxa1 22.Qxc6 Qf7[/font] gives Black a small advantage in space.
• If [font color="darkorange"]a2) 17.Rd1 Qd6[/font] then:
• [font color="darkorange"]18.a4 c3 19.a5 Rc6 20.Rb1 Rc4 21.a3 Nf6[/font] is equal.
• [font color="purple"]18.f4?! c3! 19.Rb1 Rxb1 20.Qxb1 Qc6 21.Qc2 Qc4[/font] gives Black pressure on the queenside such that Black cannot move his Rook.
• [font color="burgundy"]13...Qc8 14.Bd2 Rd8 15.Bb4 c3 16.Rfc1 Bxe2 17.Bc5[/font] is equal (Ribli-Bönsch, Ol, Thessaloniki, 1988).
• If [font color="magenta"]13.Bf3 Nd5 14.Qa5 c3 15.Re1[/font] then:
• [font color="magenta"]15...Qf6 16.Bxd5 exd5 17.Qxc3 Rc6 18.Qb3 Qxd4[/font] gives Black a slight advantage in space (Beliavsky-Geller, IT, Moscow, 1981).
• [font color="darkorange"]15...f5 16.Bxd5 Qxd5 17.Qxc3 Rc6 18.Qb2 Rb6 19.Qc3[/font] draw (Reatsky-A. Sheider, Op, Cappelle-la-Grande, 1999).
• If [font color="magenta"]12...Qc8[/font] then:
• [font color="magenta"]13.Bf3 Nd7 14.Bf4 Rb6 15.Rfd1 Nf6 16.Qc2[/font] gives White a small advantage in space against Black's passed pawn (Chekhov-Zaid, Soviet Youth, Baku, 1979).
• [font color="darkorange"]13.Bg5 Nd5 14.e4 Nb6 15.Qa5 Bb7 16.Qc5 Bxc6 17.Qxc6[/font] is equal (Alburt-Geller, Soviet Ch, Leningrad, 1977).
• If [font color="darkred"]b) 10...Rb8 11.Qa4 Qxd4 12.Be3[/font] then:
• If [font color="darkred"]12...Qb2 13.Qxc4 Nd5 14.Bxa7 Ra8[/font] then:
• If [font color="darkred"]15.Bd4 Qb5 16.Qxb5 cxb5[/font] then:
• [font color="darkred"]17.Bc5 Re8 18.Rfc1 c6 19.e4 Nf6 20.f3 Bb7[/font] gives White a small advantage in space (Wang Yue-Nielsen, Mindgames Rpd, Beijing, 2011).
• [font color="burgundy"]17.Rfc1 Ra4 18.Bc5 Re8 19.e4 Nb6 20.Rab1[/font] gives White a small advantage in space (Ju Wenjun-Pakidze, Moscow Open, 2010).
• If [font color="magenta"]15.Bc5?! Ba6![/font] then:
• [font color="magenta"]16.Qh4 Rfe8 17.Rfe1 Bxe2 18.Rac1 Bd3 19.Bd4 Qb5[/font] gives Black an extra pawn (Nestor-Zavgorodniy, Op, Kharkov, 2002).
• [font color="darkorange"]16.Qe4 Rfe8 17.Rfe1 Bb5 18.e3 Ra4 19.Qf3 Rc4[/font] gives Black an extra pawn (Ju Wenjun-Lkhmasuren, Asian ChW, Subic Bay, 2010).
• If [font color="magenta"]12...Qe5 13.Qxc4 Qa5[/font] then:
• [font color="magenta"]14.Qxc6 Bb7 15.Qc5 Qxc5 16.Bxc5 Bxg2 17.Kxg2[/font] gives White a slight initiative (Ristic-Blatny, Op, Groningen, 1988).
• [font color="darkorange"]14.Bxc6 Bb7 15.Bxb7 Rxb7 16.Bc5 Rfb8 17.Rac1[/font] gives White a slight advantage (Ribli-Hertneck, Bundesliga 9596, Germany, 1995).
• If [font color="darkred"]9.Bxc6 Rb8 10.Nc3 Bb7 11.Bb5[/font] then:
• If [font color="darkred"]11...c5 12.dxc5 Qc7[/font] then:
• If [font color="darkred"]13.Qa4 Bxc5 14.Qxc4 Rfc8 15.Qh4 Ba8 16.Bd3 Qc6[/font] gives Black a small advantage in space (Cichocki-Antonczyk, Polish ChT, Mikolajki, 1991).
• [font color="burgundy"]13.Qd4[/font] draw (Smejkal-Krogius, Chigorin Mem, Sochi, 1973).
• If [font color="magenta"]11...Bd5 12.b3 cxb3 13.axb3[/font] then:
• If [font color="magenta"]13...Ba8 14.Bc4 c5[/font] then:
• [font color="magenta"]15.Bf4 Rc8 16.dxc5 Bxc5 17.Qxd8 Rfxd8 18.Ra2 h6[/font] is equal (Smejkal-R. Byrne, IT, Amsterdam, 2979).
• If [font color="darkorange"]15.dxc5 Qc7 16.Na4[/font] then:
• If [font color="darkorange"]16...Bxc5?! 17.Nxc5 Qxc5 18.Be3! Qa5 19.f3[/font] gives White an active Bishop pair and the inititive (Panno-Ivkov, IT, São Paulo, 1973).
• [font color="purple"]16...Rfd8 17.Qc2 Qc6 18.f3 Bxc5+ 19.Nxc5 Qxc5+ 20.Kg2[/font] gives White more freedom.
• [font color="darkpink"]13...c6 14.Bc4 Bb4 15.Qd3 Bxc4 16.Qxc4 Bxc3 17.Qxc3[/font]
• If [font color="darkred"]7...c5 8.dxc5[/font] then:
• If [font color="darkred"]8...Qc7 9.Nxc4[/font] then:
• If [font color="darkred"]9...Qxc5 10.b3 Rd8[/font] then:
• If [font color="darkred"]11.Nbd2 Nc6[/font] then:
• If [font color="darkred"]12.Bb2 Rb8 13.Rc1[/font] then:
• If [font color="darkred"]13...Qg5 14.Qc2 Nb4 15.Nf3 Qh5 16.Qb1 Bd7 17.Nfe5[/font] gives White more activity and more space (Tashkov-Chorvat, Corres, 2000).
• [font color="burgundy"]13...Qb5 14.a3 Bd7 15.b4 Be8 16.e4 h5 17.h3[/font] gives White a small advantage owing to the threat of 18.e5! (Pinter-Kallai, Hungarian ChT, 1988).
• If [font color="magenta"]12.Ba3[/font] then:
• [font color="magenta"]12...Qh5?! 13.Bxe7! Nxe7 14.e3 Qxd1 15.Rfxd1 Nfd5 16.Rac1[/font] gives White a fair advantage owing to a superior Bishop (Szabo-Portisch, Hungarian Ch, Budapest, 1968).
• [font color="darkorange"]12...Nb4! 13.Qc1 h5 14.Bb2 h4 15.Ne4 Nxe4 16.Bxe4[/font] gives White only a small advantage in space
• If [font color="magenta"]11.Qe1 Nc6 12.Ba3 Qh5 13.Bxe7 Nxe7[/font] then:
• If [font color="magenta"]14.Qa5!? Qxa5 15.Nxa5[/font] then:
• If [font color="magenta"]15...Nfd5[/font] then:
• [font color="magenta"]16.e4 Nb4 17.Nc3 b6 18.Rfd1 Ba6 19.Nc4 Nd3[/font] gives Black a slight advantage in space (Haag-Portisch, Hungarian Ch, Budapest, 1964).
• [font color="hotpink"]16.Rc1 b6 17.Nc4 Ba6 18.a4 Nc6 19.e3 Rac8[/font] is equal (Doda-Portisch, Ol, Tel Aviv, 1964).
• [font color="purple"]15...Rb8 16.Nc3 b6 17.Nc6 Nxc6 18.Bxc6 Bb7[/font] is equal (V. Petrov-Eliskases, Ol, Buenos Aires, 1939).
• [font color="darkorange"]14.Nc3 Rb8 15.Ne4 Nxe4 16.Bxe4 b6 17.Rd1[/font] gives White a small advantage in space.
• If [font color="magenta"]9...Bxc5 10.Nc3[/font] then:
• If [font color="magenta"]10...Bxf2+ 11.Rxf2 Qxc4 12.Rxf6 gxf6 13.Bh6[/font] then:
• [font color="magenta"]13...Nc6? 14.e3! Rd8 15.Qh5 e5 16.Ne4 Qe6 17.Qh4[/font] Black resigns (Ivkov-Robatsch, IT, Vinkovci, 1968).
• [font color="purple"]13...Nd7 14.Ne4 Qb4 15.Rc1 f5 16.Nd6 Ne5 17.Bxf8 Qb6+[/font] is equal (Psakhis-Stefansson, Canadian Op, Winnipeg, 1997).
• [font color="darkorange"]10...Rd8?! 11.Bf4! Bxf2+? 12.Kxf2! e5 13.Nb5 Qe7 14.Bd2[/font] gives White an extra piece (Portisch-Matanovic, IT, Skopje, 1968).
• If [font color="magenta"]8...Bxc5 9.Nc3 Qe7[/font] then:
• If [font color="magenta"]10.Nxc4 Rd8[/font] then:
• [font color="magenta"]11.Qe1 Nc6 12.Bg5 Bd7 13.Ne4 b5 14.Na5 Bd4[/font] gives White a winning advantage from superior piece co-ordination (Smejkal-Mititelu, IT, Luhacovice, 1971).
• [font color="purple"]11.Qc2 Nc6 12.Bg5 Bd7 13.e3 h6 14.Bxf6 Qxf6[/font] (Nogueiras-Granda Zuñiga, Capablanca Mem, Havana, 1986).
• [font color="darkorange"]10.Bg5 Nc6 11.Nxc6 bxc6 12.Qa4 Rb8 13.Ne4 Bd4[/font] is equal (I. Almasi-Krita, 1st Saturday April, Budapest, 2001).

7...a6 8.a4

• If [font color="red"]8.Qxc4 b5 9.Qc2 Bb7[/font] then:
• If [font color="red"]10.Bd2 Be4 11.Qc1[/font] then:
• If [font color="red"]11...Bb7[/font] then:
• If [font color="red"]12.Qc2 Be4 13.Qc1[/font] then:
• If [font color="red"]13...Bb7 14.Bf4[/font] then:
• If [font color="red"]14...Nd5 15.Nc3 Nxf4 16.Qxf4[/font] then:
• If [font color="red"]16...Nd7 17.Rfd1 Bd6 18.Qe3 [/font] then:
• If [font color="red"]18...Nb6[/font] then:
• If [font color="red"]19.Ne5 Bxg2 20.Kxg2[/font] then:
• [font color="red"]20...Qe7 21.Nc6 Qe8 22.Qf3 f5 23.Rac1[/font] is equal (Harika-Hou Yifan, Asian Games TTW, Guangzhou, 2010).
• [font color="burgundy"]20...f5 21.Rac1 Qf6 22.f4 b4 23.Nb1 g5 24.Nd2 gxf4 25.gxf4 Nd5[/font] is equal (Ivanisevich-Iljin, Euro Ch, Plovdiv, 2008).
• [font color="darkpink"]19.a4 Nxa4 20.Nxa4 bxa4 21.Rxa4 Rb8 22.b3[/font] gives White a fair advantage in space (Laznicka-Onischuk, IT, Poikovsky, 2011).
• If [font color="darkred"]18...Qe7[/font] then:
• If [font color="darkred"]19.Ne5 Bxg2 20.Nxd7 Qxd7 21.Kxg2[/font] then:
• If [font color="darkred"]21...Qc6+ 22.Kg1 Qb6 23.Rac1 Rad8 24.Ne4 h6 25.Qc3[/font] gives White a better center and a small advantage in space (Ruck-Cvetkovic, Euro Ch, Budva, 2009).
• [font color="darkorange"]21...Rae8 22.Rac1 f5 23.f4 Re7 24.Qf3 b4 25.Nb1[/font] gives White a small advantage in space (Haba-Palo, Ol, Bled, 2002).
• [font color="purple"]21...f5 22.f4 b4 23.Nb1 c5 24.dxc5 Qc6+ 25.Qf3[/font] gives White a slim advantage in space (Leko-Karpov, Tal Mem Blitz, Moscow, 2009).
• [font color="magenta"]19.Ne4 f5 20.Nxd6 cxd6 21.Rac1 Nf6 22.Ng5[/font] is equal (Paunovic-Senlle Caride, Op, Figueira da Foz, Portugal, 2010).
• If [font color="darkred"]16...Qd6[/font] then:
• If [font color="darkred"]17.Ne5 Bxg2 18.Kxg2[/font] then:
• If [font color="darkred"]18...c5 19.dxc5 Qxc5 20.Ne4 Qb6 21.Rfd1 Ra7 22.Rac1 f6[/font] then:
• [font color="darkred"]23.Nf3! e5 24.Qd2 Rd8 25.Qc2 Rxd1 26.Qxd1[/font] gives White a fair advantage in space (Khalifman-Karpov, Soviet Ch, Moscow, 1988).
• [font color="purple"]23.Nd3?! Rd7 24.Qf3 a5 25.Nf4 Rxd1 26.Rxd1 f5[/font] is equal (K. Georgiev-Iordecescu, IT, Valjevo, Serbia, 2007).
• [font color="darkorange"]18...Nd7 19.Nxd7 Qxd7 20.Rfd1 Rac8 21.Qf3 Rfd8 22.Rac1[/font] gives White a small advantage in space (Domínguez Pérez-Carlsen, Amber Blind, Nice, 2010).
• If [font color="magenta"]17.Rfd1[/font] then:
• [font color="magenta"]17...Nd7 18.d5 Qxf4 19.gxf4 exd5 20.Nxd5 Bxd5 21.Rxd5 Nb6[/font] is equal (Romanishin-Janighava, Soviet Ch 1st League, Simferopol, 1988).
• [font color="darkorange"]17...c5 18.Qxd6 Bxd6 19.dxc5 Bxc5 20.Rac1 Be7[/font] gives White more activity as a result of better development (Kengis-Sammalvuo, Ol, Palma de Mallorca, 2004).
• If [font color="darkred"]14...Bd6[/font] then:
• If [font color="darkred"]15.Nbd2 Nbd7 16.Nb3 Bd5 17.Rd1[/font] then:
• If [font color="darkred"]17...Qb8 18.Ne5 Bxg2 19.Kxg2[/font] then:
• [font color="darkred"]19...Qb6 20.Qc6 Bxe5 21.Qxb6 cxb6 22.dxe5 Nd5 23.Rac1 Rfc8[/font] gives White a small advantage in space, but Black's Knight at d5 is a better piece than White's Bishop (Gelfand-Anand, Amber Rapid, Monte Cartlo, 2004).
• [font color="burgundy"]19...Qb7+ 20.Kg1 a5 21.Bd2 Qe4 22.Bxa5 Qxe2 23.Rd2 Qe4 24.Qc2 Qd5 25.a3 Ra6[/font] draw (Fominyh-Nikitin, Russia Cup, Samara, 2002).
• If [font color="magenta"]17...Qe7 18.Ne5 Bxg2 19.Kxg2[/font] then:
• If [font color="magenta"]19...Nd5 20.Nc6 Nxf4+ 21.Qxf4 Qe8 22.Qf3[/font] then:
• [font color="magenta"]22...f5 23.Rac1 Nf6 24.Kh1[/font] gives White a fair advantage in space (Korchnoi-Hou Yifan, IT, Paks, Hungary, 2007).
• [font color="burgundy"]22...e5 23.dxe5 Nxe5 24.Nxe5 Qxe5 25.Rd2[/font] gives White a small advantage in space (Kasparov-Kramnik, World Ch Match, London, 2000).
• If [font color="darkorange"]19...Bxe5!?[/font] then:
• [font color="darkorange"]20.dxe5! Nd5 21.Bg5 f6 22.exf6 gxf6 23.Bd2[/font] gives White a backward Black pawn to target.
• [font color="purple"]20.Bxe5 Nd5 21.e4 Nxe5 22.dxe5 Nb6 23.Nc5[/font] gives White more space and a serious pawn weakness.
• If [font color="magenta"]15.Nc3 Nbd7 16.Rd1 Qb8[/font] then:
• [font color="magenta"]17.Ne5 Bxg2 18.Nxd7 Nxd7 19.Kxg2 c5 20.dxc5[/font] gives White a small advantage in space (Tukmakov-Lautier, World Cup, Palma de Mallorca, 1989).
• [font color="darkorange"]17.a3 c5 18.dxc5 Bxf4 19.Qxf4 Qxf4 20.gxf4 Nxc5[/font] is equal (Schandorff-Pilgaard, Danish Ch, Nyborg, 2001).
• If [font color="darkred"]12.Be3[/font] then:
• [font color="darkred"]12...Nd5 13.Nc3 Nd7 14.Rd1 Rc8 15.Nxd5 Bxd5 16.Ne1 c6 17.Nd3 Qb6 18.Qc3 b4 19.Qd2 a5 20.Rdc1[/font] draw (Kasparov-Karpov, World Ch Match 8485, Moscow 1984).
• [font color="magenta"]12...Nbd7 13.Nbd2 Rc8 14.Nb3 Bd5 15.Rd1 c6 16.Ne1 Bxg2 17.Kxg2[/font] is equal (Haba-von Bülow, Op, Pardubice, 2000).
• [font color="darkorchid"]13...Nbd7 14.Ba5 Rc8[/font] transposes into [font color="darkred"]Galdunz-Vaganian,[/font] below.
• If [font color="darkred"]11...Nbd7 12.Ba5[/font] then:
• [font color="darkred"]12...Rc8[/font] then:
• [font color="darkred"]13.Nbd2 Ba8[/font] then:
• [font color="darkred"]14.Qc2 Qe8 15.b4[/font] then:
• If [font color="darkred"]15...Nd5 16.a3 f5[/font] then:
• If [font color="darkred"]17.e3 Qh5 18.Rac1 Bd6 19.Qd1 Qh6 20.Qe2 N7f6[/font] then:
• If [font color="darkred"]21.Rfd1 Ne7 22.Ne1 Bd5 23.Nd3[/font] is equal (Galdunz-Vaganian, Moscow, 1991).
• [font color="burgundy"]21.Rfe1 Ne4 22.Nxe4 fxe4 23.Ne5 Ne7 24.a4[/font] is equal (Budnikov-D. King, Op, London, 1993).
• If [font color="magenta"]17.Rae1[/font] then:
• [font color="magenta"]17...Qg6 18.e4 fxe4 19.Qxe4 Rf6 20.Qxg6 Rxg6 21.Ne4[/font] gives White more activity for his minor pieces and a small advantage in space (Gelfand-Lutz, IT, Dortmund, 2002).
• [font color="darkorange"]17...Qh5 18.Qb3 Rce8 19.e4 fxe4 20.Nxe4 Qg6 21.Nc5[/font] gives White more freedom and stronger pawns (Ftacnik-Ribli, Bundesliga 0405, Stuttgart, 2005).
• [font color="burgundy"]15...Nb8 16.Ne5 Bxg2 17.Kxg2 Bd6 18.Rac1 Nd5 19.Nd3[/font] gives White a small advantage in space (Pelletier-Wells, Euro Ch, Plovdiv, 2008).
• If [font color="magenta"]14.a3[/font] then:
• If [font color="magenta"]14...Qe8 15.b4 Bd6[/font] then:
• [font color="magenta"]16.Re1 Ne4 17.Nxe4 Bxe4 18.Qe3 Bd5 19.Rac1 f5 20.Ne5[/font] gives White a small advantage in space (Huzman-Wells, Euro Ch, Dresden, 2007).
• [font color="purple"]16.Qc2 e5 17.dxe5 Nxe5 18.Nxe5 Bxg2 19.Kxg2 Qxe5[/font] is equal (Housieaux-Radulski, Cappelle-la-Grande, 2010).
• [font color="darkorange"]14...Nb8 15.Rd1 Qe8 16.Nb3 Bd5 17.Nc5 Bxc5 18.Qxc5[/font] gives White a small advantage in space (Ivanchuk-Gelfand, Amber Blind, Monte Carlo, 2004).
• If [font color="magenta"]13.Nc3 Ba8 14.a4[/font] then:
• If [font color="magenta"]14...bxa4 15.Nxa4 Qe8 16.b4 Nb6 17.Nc5 Qb5[/font] then:
• [font color="magenta"]18.Re1 Nc4 19.e4 Nxa5 20.Rxa5 Qxb4 21.Ra4[/font] gives White a small advantage in space (Alburt-Morovich Fernández, Op, New York, 1987).
• [font color="hotpink"]18.Qc2 Bxc5[/font] draw (Smejkal-Lobron, IT 8586, Reggio Emilia, 1985).
• If [font color="darkorange"]14...Rb8 15.axb5 axb5[/font] then:
• [font color="darkorange"]16.b4 Bd6 17.Qc2 Qe7 18.Rab1[/font] gives White fewer pawn weaknesses and more space (Beliavsky-Vaganian. World Cup, Brussels, 1988).
• [font color="purple"]16.Rd1 Bd6 17.Ne5 Bxg2 18.Kxg2[/font] is equal (Vasilevich-Mkrtchian, Euro Club Cup W, Saint Vincent, 2005).
• If [font color="magenta"]12...Ra7 13.Nbd2 Bd5[/font] then:
• [font color="magenta"]14.Re1 Ne4 15.Nxe4 Bxe4[/font] then:
• [font color="magenta"]16.Qe3 Qa8 17.Rac1 Nb6 18.b3 b4 19.Bf1[/font] gives White a small advantage in space (Sammour Hasbun-Ippolito, USCL, Cyberspace, 2009).
• If [font color="darkorange"]16.Qf4 Nf6 17.Ne5[/font] then:
• [font color="darkorange"]17...Bxg2?! 18.Kxg2 Bd6 19.Rac1! Nd5 20.Qd2[/font] the White the threat of 21.Nc6!, winning material (Nakamura-Illescas Córdoba, IT, Barcelona, 2007).
• If [font color="purple"]17...Qd5 18.f3 Qxd4+ 19.e3 Qd6[/font] then:
• [font color="purple"]20.Red1 Bd5 21.e4 Qc5+ 22.Kh1 Ba8 23.b4[/font] gives the Black Queen no safe quarter.
• [font color="hotpink"]20.fxe4?! Nh5 21.Nxf7 Nxf4 22.Nxd6 Nxg2 23.Kxg2 cxd6 24.Rac1[/font] gives White a small advantage in space.
• If [font color="darkorange"]14.b4 Qa8[/font] then:
• [font color="darkorange"]15.Rd1 Nb8 16.Nb3 Nc6 17.Nc5 h6 18.Qa3 Bxc5 19.dxc5 Qb7[/font] gives Black a small advantage in space (Karkanque-Dervishi, IT, Durres, Albania, 2001).
• [font color="purple"]15.Qc3 Nb8 16.Nb3 Nc6 17.Rfc1 Ne4 18.Qe1 Bd6[/font] gives Black more activity and a modest advantage in space (Seewald-J. van Oosterom, Corres, 1980).
• If [font color="darkred"]10.Bf4 Nc6[/font] then:
• If [font color="darkred"]11.Rd1 Nb4 12.Qc1[/font] then:
• If [font color="darkred"]12...Rc8 13.Nc3 Nbd5 14.Nxd5 Bxd5 15.Be3[/font] then:
• If [font color="darkred"]15...Ng4 16.Ne1 Bxg2 17.Nxg2 Qd5[/font] then:
• [font color="darkred"]18.f3 Nxe3 19.Nxe3 Qb7 20.Kg2 c5 21.dxc5 Bxc5[/font] gives Black a slight advantage owning to the discovewred attack set up against White's Queen (Bruzón Batista-Anand, Ol, Torino, 2006).
• [font color="burgundy"]18.h3 Nxe3 19.Qxe3 c5 20.Nf4 Qf5 21.dxc5 Bxc5[/font] gives Black a slight initiative (Carlsen-Anand, Rpd Match, Mainz, 2008).
• If [font color="magenta"]15...c6 16.Ne1[/font] then:
• If [font color="magenta"]16...Qb6 17.Nd3 Bxg2 18.Kxg2 Nd5 19.Nf4 Nxf4+ 20.Bxf4 c5[/font] gives Black a small advantage from the discoverd attack masking on c5 (Dizdarevic-Huzman, Euro ChT, Pula, 1997).
• [font color="darkorange"]16...Bxg2 17.Kxg2 Nd5 18.Nd3 Nxe3+ 19.Qxe3 Qd5+[/font] then:
• [font color="darkorange"]20.f3 c5 21.dxc5 Bxc5 22.Nxc5 Qxc5 23.Qxc5 Rxc5 24.Rac1[/font] gives White a slight advantage, but the game is soon agreed drawn (Piket-Adams, Donner Mem, Amsterdam, 1994).
• If [font color="purple"]20.Kg1[/font] then:
• [font color="purple"]20...c5 21.dxc5 Bxc5 22.Nxc5 Qxc5 23.Qxc5 Rxc5[/font] is equal (Ftacnik-Lutz, Bundesliga 9798. Germany, 1998).
• [font color="hotpink"]20...Rfd8 21.Nf4 Qd6 22.Rd3 g6 23.Rad1[/font] is equal (Haba-Lutz, Bundesliga 0203, Germany, 2002).
• [font color="burgundy"]12...Qc8 13.Bg5 c5 14.Bxf6 gxf6 15.Nc3 Rd8 16.a3[/font] gives Black a slight advantage in space and White a slight initiative (Agzamov-Karpov, Soviet Ch, Moscow, 1983).
• If [font color="magenta"]11.Nc3 Nb4 12.Qb1[/font] then:
• If [font color="magenta"]12...c5 13.dxc5 Bxc5[/font] then:
• If [font color="magenta"]14.Be5 Ng4 15.Ne4 Bxe4 16.Qxe4[/font] then:
• [font color="magenta"]16...f5 17.Qf4 Nd5 18.Qd2 Qb6 19.Bd4 Rad8 20.Rac1[/font] is equal (Inkiov-Speelman, Ol, Novi Sad, 1990).
• [font color="purple"]16...Nxe5 17.Nxe5 Rc8 18.Rad1 Nd5 19.Qb1 Qc7 20.Nd3[/font] is equal (E. Torre-Georgadze, IT, Hannover, 1983).
• If [font color="darkorange"]14.a3 Nbd5[/font] then:
• If [font color="darkorange"]15.Be5 Nxc3 16.Bxc3 Ne4 17.Ng5 Qxg5 18.Bxe4 Bxe4 19.Qxe4[/font] gives White a small advantage thanks to his centralized Queen (Turner-Gormally, Match, Hamstead, 2001).
• [font color="purple"]15.Nxd5 Bxd5 16.Be5 Nd7 17.Bc3 Rc8 18.Qd3 Nb6[/font] is equal (Zaitshik-Savon, Soviet Ch, Leningrad, 1977).
• [font color="hotpink"]12...Nbd5 13.Nxd5 Bxd5 14.Be5 Be4 15.Qc1[/font] is equal (Inkiov-Geller, IT, Sochi, 1983).

8...Bd7

• If [font color="red"]8...Nc6 9.Qxc4[/font] then:
• If [font color="red"]9...Qd5[/font] then:
• If [font color="red"]10.Nbd2 Rd8 11.e3[/font] then:
• If [font color="red"]11...Qxc4 12.Nxc4 Bd7[/font] then:
• If [font color="red"]13.Nfe5 Nxe5 14.Nxe5 Nd5[/font] then:
• [font color="red"]15.Bd2 a5 16.Rfc1 Be8 17.b3 c6 18.Nd3[/font] gives White a small advantage with more freedom (Short-Lautier, IT, Horgen1995).
• [font color="burgundy"]15.Nxd7 Rxd7 16.b3 a5 17.Bb2 Bb4 18.Rac1 c6 19.Rfd1 Rad8 20.Bf3[/font] draw (Urban-Balashov, Op, Miedzybrodzie, Poland, 1991).
• [font color="darkpink"]13.Bd2 Nb4 14.Nfe5 Nfd5 15.Rfc1 Be8 16.Na5[/font] gives White a fair advantage in space, but Black's Knights stand better (Panno-Gómez Baillo, IT, Buenos Aires, 1987).
• [font color="darkorchid"]11...Qh5 12.e4 Bd7 13.b3 b5 14.Qc3 bxa4[/font] is equal (Korchnoi-Tal, Candidates' Match ½-final, Moscow, 2968).
• If [font color="darkred"]10.Qd3 Rd8 11.Nc3[/font] then:
• If [font color="darkred"]11...Qh5 12.Qc4 Bd7[/font] then:
• [font color="darkred"]13.Bg5 Be8 14.e3 Rac8 15.Bxf6 Bxf6 16.Ne4 Be7[/font] is equal (Dlugy-Speelman, Op, London, 1986).
• [font color="darkorange"]13.Bf4 Rac8 14.e4 Be8 15.h3 Qa5 16.Rfd1 Qb4[/font] is equal (Forsberg-Olofsson, Corres, 2002).
• [font color="magenta"]11...Qa5 12.Qc4 Qb4 13.Qxb4 Nxb4 14.Bf4 Nfd5[/font] Gives White a small advatange is space (Doda-Czerniak, Ol, Nice, 1974).
• If [font color="darkred"]9...Nb4[/font] then:
• [font color="darkred"]10.Nc3 b5 11.Qb3 bxa4 12.Nxa4 Bb7 13.Bg5[/font] gives White a slim advantage in space (Dr. Hübner-Chandler, Bundesliga 9394, Germany, 1994).
• If [font color="magenta"]10.Ne5 b5[/font] then:
• [font color="magenta"]11.Qb3 bxa4 12.Rxa4 Rb8 13.Bd2 Bd7 14.Nxd7 Qxd7 15.Bc3[/font] gives White a slim advantage in space (Poldauf-Stark, Op, Berlin, 1998).
• [font color="darkorange"]11.Qc3 Rb8?! 12.axb5! axb5 13.Ra7 Nbd5 14.Qb3 Qd6 15.e4[/font] (Cua-Kharisma Sukandar, Mindsports Rpd, Beijing, 2008)

9.Rd1

• If [font color="red"]9.Qxc4 Bc6[/font] then:
• If [font color="red"]10.Bg5[/font] then:
• If [font color="red"]10...Bd5[/font] then:
• If [font color="red"]11.Qc2 Be4[/font] then:
• If [font color="red"]12.Qc1 h6[/font] then:
• If [font color="red"]13.Bxf6 Bxf6[/font] then:
• If [font color="red"]14.Nc3[/font] then:
• If [font color="red"]14...Bxf3 15.Bxf3 c6 16.e3 a5 17.Rd1[/font] then:
• If [font color="red"]17...Na6 18.Qc2 Nb4[/font] then:
• [font color="red"]19.Qe2 Qb6 20.Ne4 Be7 21.Nd2 Rfd8 22.Nc4[/font] is equal (Wojtkiewicz-Shulman, US Ch, Stillwater, Oklahoma, 2005).
• [font color="burgundy"]19.Qe4 Qe7 20.Rd2 Rad8 21.Rad1 Rd7 22.Qg4 Rfd8[/font] is equal (Beliavsky-Lutz, Euro ChT, León, Spain, 2001).
• [font color="darkpink"]17...Qb6 18.Qc2 Nd7 19.Rac1 Rfd8 20.Bg2 Be7 21.Ne4[/font] gives White a slim advantage in space (Zatonskih-Zhao Xue, OlW, Torino, 2006).
• If [font color="darkred"]14...Bh7 15.Rd1 c6[/font] then:
• [font color="darkred"]16.Ne5 Nd7 17.Nxd7 Qxd7 18.Ne4 Bxe4 19.Bxe4[/font] draw (Ricardi-Short, Najdorf Mem, Buenos Aires, 2000).
• [font color="magenta"]16.a5 Nd7 17.Ne5 Qc7 18.Nxd7 Qxd7 19.Na4 Qc7[/font] gives White a small advantage in space (Lputian-Leitão, IT, Poikovsky, 2001).
• If [font color="darkred"]14.Rd1 a5[/font] then:
• [font color="darkred"]15.Nbd2 Bxf3 16.Bxf3 c6 17.Nb3 Na6 18.Qc4 Qb6 19.Rac1[/font] gives White a small advantage in space (Bareev-Gelfand, Amber Blind, Monte Carlo, 2002).
• [font color="magenta"]15.Nc3 Bxf3 16.Bxf3 c6 17.Ne4 Na6 18.h4 Qe7 19.h5[/font] is equal (Filippov-Khalifman, Euro Club Cup, Halkidiki, 2002).
• If [font color="darkred"]13.Bf4[/font] then:
• If [font color="darkred"]13...Nd5 14.Nc3 Nxf4 15.Qxf4 Bxf3 16.Bxf3 c6 17.Rfd1[/font] then:
• If [font color="darkred"]17...a5[/font] then:
• [font color="darkred"]18.h4 Nd7 19.Qe4[/font] draw (Khalifman-Bologan, Euro Club Cup, Panormo, 2001).
• [font color="burgundy"]18.Kg2 Na6 19.Qd2 Nb4 20.e3 Qb6 21.Rac1 Rad8 22.Qe2 Rd7 23.Qc4[/font] draw (Sulava-Palac, Croatian Ch, Vukovar, 2005).
• [font color="darkpink"]17...Nd7 18.a5 Rc8 19.Ra4 Qc7 20.Qc1 Rfd8 21.Qa1[/font] gives White a small advantage in space (Sulava-Arlandi, Euro Ch, Ohrid, 2001).
• If [font color="magenta"]13...Nc6[/font] then:
• If [font color="magenta"]14.Rd1[/font] then:
• [font color="magenta"]14...Bxf3 15.Bxf3 Nxd4 16.Kg2 c5 17.e3 Nb3 18.Rxd8 Nxc1 19.Rxa8 Rxa8 20.Bxb7[/font] leaves White's pawns slightly better (Tkachiev-Adams, Rpd Match, Cannes, 2001).
• [font color="purple"]14...Nd5 15.Nc3 Nxc3 16.bxc3 Na5 17.Qe3 Bc2 18.Re1 Nc4 19.Qc1[/font] gives White a small advantage in space and the initiative (Gleizerov-Tunik, Op, St. Petersburg, 2003).
• [font color="darkorange"]14.Nfd2 Bh7 15.Ne4 Nd5 16.Rd1 Nxf4 17.Qxf4[/font] draw (Ftacnik-Onischuk, Euro Club Cup, Rethymnon, 2003).
• If [font color="darkred"]12.Qd1 c5 13.dxc5 Bxc5[/font] then:
• If [font color="darkred"]14.Qxd8 Rxd8 15.Nbd2 Bc6 16.Nb3[/font] then:
• If [font color="darkred"]16...Bb4[/font] then:
• If [font color="darkred"]17.Rfc1!? Nbd7 18.Bd2 Bxd2 19.Nfxd2 Bxg2 20.Kxg2[/font] then:
• [font color="darkred"]20...Rdc8 21.Nc4 Rab8 22.Nca5 g5 23.Kf1 Kf8 24.Ke1[/font] draw (Savchenko-Pigusov, Euro Ch Rd 12, Ohrid, 2001).
• [font color="burgundy"]20...Ne5!? 21.Nc4 Nxc4 22.Rxc4 Ne8 23.Rac1[/font] gives White a small advantage in space (Savchenko-Stefansson, Ruro Ch Rd 10, Ohrid, 2001).
• [font color="darkpink"]17.Ne5 Bxg2 18.Kxg2 Nbd7 19.Nxd7 Rxd7 20.Bxf6 gxf6[/font] continues to give White a small advantage in space (Kunte-Yu Shaoteng, Asian Ch, Subic Bay, 2009).
• If [font color="magenta"]16...Be7 17.Na5[/font] then:
• [font color="magenta"]17...h6! 18.Nxc6 Nxc6 19.Bd2 Ne4 20.Be3 Bc5[/font] (Varilievich-N. Kosintseva, Russian ChTW, Dagomys, 2009).
• [font color="darkorange"]17...Bd5!? 18.Ne5! Bxg2 19.Kxg2 Nbd7 20.Nd3[/font] gives White the initiative and a small advantage in space (Aronian-Lutz, Bundesliga 0203, Germany, 2002).
• If [font color="magenta"]14.Nc3 Bc6 15.Ne5 Bxg2[/font] then:
• [font color="magenta"]16.Qxd8 Rxd8 17.Kxg2 h6 18.Bxf6 gxf6 19.Ng4 f5[/font] is equal (Fridman-Zarnicki, Ol, Yerevan, 1996).
• [font color="darkorange"]16.Kxg2 h6 17.Bxf6 Qxf6 18.f4 Qe7 19.Ne4 Rd8[/font] is equal (Akopian-Kramnik, TM, Moscow, 2002).
• If [font color="darkred"]11.Qd3 c5 12.Nc3[/font] then:
• If [font color="darkred"]12...Bc6 13.Rfd1[/font] then:
• If [font color="darkred"]13...cxd4 14.Nxd4 Bxg2 15.Kxg2[/font] then:
• If [font color="darkred"]15...Nbd7 16.Qf3 Qb8[/font] then:
• If [font color="darkred"]17.Bf4[/font] then:
• If [font color="darkred"]17...Qa7?! 18.e4![/font] then:
• If [font color="darkred"]18...g6?! 19.e5! Nh5 20.Nf5!! Nxf4+ 21.gxf4[/font] then:
• If [font color="darkred"]21...gxf5? 22.Rxd7![/font] then:
• [font color="darkred"]22...Qc5 23.Rxb7 Bh4 24.Ne2 Rab8 25.Rc1[/font] White wins (Romanishin-Papp, Barcza Mem, Budapest, 2008).
• No better is [font color="burgundy"]22...Rae8 23.Ne2 Bh4 24.Rc1 Rd8 25.Rxb7 Qa8 26.Rcc7.[/font]
• Black sytays in the game longer after [font color="darkpink"]21...exf5 22.Rxd7 Bh4 23.Rxb7 Qc5 24.Nd5 Rfd8 25.Rd1.[/font]
• [font color="hotpink"]18...Bb4 19.Nde2 e5 20.Be3 Bc5 21.Bg5[/font] gives White a significant advantage in space.
• [font color="purple"]17...Qe8! 18.Nb3 Rc8 19.Rac1 Rc4 20.Na5 Rb4 21.b3[/font] continues to give White a small advantage in space.
• [font color="darkorange"]17.Nb3 Ne5 18.Qf4 h6 19.Bxf6 Bxf6 20.Ne4[/font] gives White a small advantage in space (Kaidanov-Onischuk, US Ch, Stillwater, Oklahoma, 2007).
• If [font color="magenta"]15...Qa5 16.Bxf6 Bxf6 17.Ne4[/font] then:
• If [font color="magenta"]17...Bxd4 18.Qxd4 Nc6 19.Qc5[/font] then:
• [font color="magenta"]19...Rac8 20.Qxa5 Nxa5[/font] then:
• [font color="magenta"]21.Rac1 h6 22.h4 Rxc1 23.Rxc1 f5 24.Nd2 Rd8 25.Nf3 Nc6 26.Kf1 Kf7 27.e3[/font] draw (Aronian-Kasimdzhanov, Ol, Torino, 2006).
• If [font color="darkorange"]21.Nd6 Rc2 22.b4[/font] then:
• If [font color="darkorange"]22...Nc4?! 23.Nxb7! Rxe2 24.Nc5[/font] then:
• If [font color="darkorange"]24...a5?[/font] then after [font color="darkorange"]25.Rdc1 Nd6 26.bxa5[/font] White wins (Tukmakov-Beliavsky, Op, Potoroz, 1996).
• Black could last a little longer after [font color="purple"]24...Rb2 25.Rdb1 Rxb1 26.Rxb1.[/font]
• [font color="hotpink"]22...Nc6 23.b5 Na5 24.Rab1[/font] gives White just a small advantage.
• [font color="darkorchid"]19...Qc7 20.b4 h6 21.b5 Qe5 22.Qxe5 Nxe5 23.b6[/font] gives White a small advantage in space. (Timoshenko-Imad, Op, Dubai, 2000).
• [font color="darkpink"]17...Qd8?! 18.Qc4! Bxd4 19.Rxd4 Qa5 20.b4[/font] gives Black a clear advantage in space.
• [font color="burgundy"]13...Qa5 14.Bd2 cxd4 15.Nb5 Qd8 16.Nbxd4 Be4 17.Qe3[/font] is equal (Moradiabadi-Gundavaa, Asian Games TT, Guangzhou, 2010).
• If [font color="magenta"]12...cxd4 13.Nxd5[/font] then:
• If [font color="magenta"]13...Nxd5 14.Bxe7 Qxe7 15.Nxd4 Nc6[/font] then:
• [font color="magenta"]16.Nxc6 bxc6 17.Qc4 Qb7 18.Rab1 a5 19.Rfc1[/font] gives White a slight advantage in space (Dr. Hübner-Lutz, Bundesliga 9695, Germany, 1995)
• If [font color="darkorange"]16.Rac1 Nxd4 17.Qxd4 Rfd8 18.Rfd1[/font] then:
• If [font color="darkorange"]18...a5?! 19.Qc5! Qe8[/font] then:
• [font color="darkorange"]20.Qb5?! Qxb5 21.axb5 Kf8 22.Bxd5 exd5 23.Rc7 Rab8 24.Rd4[/font] gives White a Rook on the seventh (Romanishin-Gasthofer, IT, Hockenheim Willingen, 2006).
• After [font color="purple"]20.Bxd5! exd5 21.Rxd5 Rdc8 22.Qe3[/font] gives White a significant advantage in space and, at least for the moment, an extra pawn.
• [font color="hotpink"]18...h6 19.Qe5 Nf6 20.Bf3 Qb4 21.Kg2 Qxa4 22.Bxb7[/font] gives White a small advantage in space.
• [font color="darkorchid"]13...Qxd5 14.h4 Nc6 15.Bxf6 gxf6 16.Rfd1[/font] is equal (Shimanov-A. Mammadov, World Youth, Porto Carras, 2010).
• If [font color="darkred"]10...a5 11.Nc3 Na6 12.Bxf6 Bxf6 13.e4 Nb4 14.Rfd1 b6 15.Ne1 Be7[/font] then:
• [font color="darkred"]16.Nb5 Qd7 17.Rac1 Rfc8 18.Nd3 Bb7 19.Ne5[/font] gives White a better center, a strong initiative and more space (Gleizerov-Naumkin, Op, Cappelle-la-Grande, 2004).
• [font color="magenta"]16.d5 Bd7 17.Nf3 exd5 18.exd5 Bd6 19.Nd4 Re8[/font] (Fominyh-Herbela, Op, Cappelle-la-Grande, 2003).
• If [font color="darkred"]10.Bf4 a5 11.Nc3 Na6 12.Ne5 Bxg2 13.Kxg2 Nd5 14.Rad1 Nxf4+ 15.gxf4[/font] then:
• [font color="darkred"]15...Bd6 16.e3 Qh4 17.Qe2[/font] then:
• If [font color="darkred"]17...Bxe5 18.fxe5 f6 19.exf6 Rxf6 20.f4 Nb4 21.Kh1 Rg6 22.Rg1 Rxg1+ 23.Rxg1 Qe7 24.Rg5[/font] then:
• If [font color="darkred"]24...h6!?[/font] then:
• If [font color="darkred"]25.Re5 Qf7 26.Qg2[/font] then:
• [font color="darkred"]26...c6?! 27.Qe4! Nd5 28.Rxe6[/font] gives White a small advantage in space (Caruana-Karjakin, IT, Poikovsky, 2011).
• [font color="burgundy"]26...Nc6! 27.Rb5 Rb8 28.Qe4 Qe8 29.d5[/font] gives White a small advantage in space.
• [font color="darkpink"]25.Rb5!? c6 26.Re5 Qf7 27.Ne4 Nd5 28.f5[/font] gives White a slim advantage in space (Eljanov-Karjakin, Russian ChT, Dagomys, 2010).
• [font color="darkorchid"]24...b6! 25.Re5 Qf7 26.Qc4 Re8 27.f5 g6 28.e4[/font] is equal.
• [font color="darkorange"]17...f6 18.Nc4 g5 19.d5 e5 20.f5 Nc5 21.e4[/font] gives Black more space, but White has more freedom (Ivanchuk-Karjakin, IT A, Wijk aan Zee, 2010).
• If [font color="magenta"]15...c6 16.e3 Nb4[/font] then:
• [font color="magenta"]17.Kh1 Nd5 18.Rg1 Rc8 19.Ne4 f6 20.Nf3 Qe8[/font] gives Black a slight advantage in space (Pelletier-Bu Xiangzhi, Rpd IT, Cap d'Agde, 2010).
• [font color="darkorange"]17.Rg1 Nd5 18.Kh1 f6 19.Nf3 Qd7 20.Rg3 Rf7[/font] gives Black a small advantage in space (Rodshtein-Harikrishna, World Cup, Khanty-Mansiysk, 2011).

9...Bc6 10.Nc3 Bxf3

• If [font color="red"]10...Bb4!? 11.Bg5[/font] then:
• If [font color="red"]11...Bxc3[/font] then:
• If [font color="red"]12.Bxf6 Qxf6[/font] then:
• If [font color="red"]13.bxc3 Nd7[/font] then:
• If [font color="red"]14.Qa2 Bd5 15.Nd2 Bxg2 16.Kxg2[/font] then:
• If [font color="red"]16...c5 17.Nxc4[/font] then:
• [font color="red"]17...Rac8 18.Rab1 cxd4 19.cxd4 Rc7 20.Ne3 Qg6 21.d5 Qe4+ 22.Kg1 exd5 23.Rxd5 Nf6[/font] draw (Laznicka-Harikrishna, Op, Philadelphia, 2010).
• [font color="burgundy"]17...Rfd8 18.a5 h5 19.h4 cxd4 20.cxd4 Nf8 21.e3[/font] gives White a substantial advantage in space (Laznicka-Bologan, World Cup rd 3.2, Khanty-Mansiysk, 2009).
• [font color="darkpink"]16...Rac8 17.Qxc4 c5 18.Ne4 Qe7 19.d5 Nb6 20.d6[/font] gives White a small advantage from his passed pawn (Kaidanov-Z. Almasi, Ol, Yerevan, 1996).
• [font color="darkorchid"]14.e4 b5 15.d5 exd5 16.exd5 Bb7 17.Nd4 bxa4 18.Qxa4[/font] is equal (Petrosian-Abramovic, IT, Yerevan, 1982).
• If [font color="darkred"]13.Qxc3[/font] then:
• [font color="darkred"]13...a5 14.Qxc4 Nd7 15.Qc2 Qg6 16.Qc3 Qh5 17.h3[/font] is equal (Iljushin-Stafansson, Euro Ch, Dresden, 2007).
• [font color="magenta"]13...Qe7 14.Qxc4 Nd7 15.Rac1 Rfd8 16.Ne1 Bxg2 17.Nxg2[/font] gives White a small advantage in space (Azmaiparashvil-Novopashin, Soviet Ch 1st League, Volgodonsk, 1981).
• If [font color="darkred"]12.Qxc3[/font] then:
• If [font color="darkred"]12...Ne4 13.Bxd8 Nxc3 14.bxc3 Rxd8[/font] then:
• If [font color="darkred"]15.Ne5 Bxg2 16.Kxg2[/font] then:
• [font color="darkred"]16...Nc6 17.Nxc4 b5 18.axb5 axb5 19.Ne3[/font] draw (Brodsky-Friedel, Op, Hoogoveen, 2009).
• [font color="purple"]16...f6 17.Nxc4 a5 18.Rab1 b6 19.e3 Nd7 20.Rd2[/font] gives White a fair advantage in space (Devereaux-Daoudi, Masters, Gibraltar, 2009).
• [font color="darkorange"]15.Nd2 Bxg2 16.Kxg2 Nc6 17.Nxc4[/font] gives White a small advantage in space.
• [font color="magenta"]12...Nbd7 13.Ne5 Bxg2 14.Kxg2 Nd5 15.Bxd8 Nxc3 16.bxc3 Raxd8 17.Nxc4[/font] gives White a small advantage in space.
• If [font color="darkred"]11...Nbd7 12.d5 exd5 13.Nxd5[/font] then:
• If [font color="darkred"]13...Be7 14.Nxe7+ Qxe7 15.Qxc4 Rfe8[/font] then:
• [font color="darkred"]16.e3 h6 17.Bxf6 Qxf6 18.Qd4 Rad8[/font] draw (Piket-Anand, Amber Blind, Monte Carlo, 1996).
• [font color="burgundy"]16.b3 h6 17.Be3 Nb6 18.Qc5 Qxc5 19.Bxc5 Nbd7 20.Rac1[/font] draw (Dizdar-L. B. Hansen, Ol, Torino, 2006).
• If [font color="magenta"]13...Bxd5 14.Rxd5[/font] then:
If
• [font color="magenta"]14...Qe8[/font] then:
• If [font color="magenta"]15.Rdd1 a5 16.Qxc4 c6[/font] then:
• [font color="magenta"]17.Bh3?! Ne5! 18.Nxe5 Qxe5 19.Bxf6 Qxf6 20.Qc2 Rad8[/font] draw (Wang Yue-Grischuk, Russian ChT, Dagomys, 2009).
• [font color="burgundy"]17.Nd4 Rd8 18.Nc2 Nb6 19.Rxd8 Nxc4 20.Rxe8 Rxe8 21.b3[/font] gives White a slim advantage in space.
• If [font color="darkorange"]15.Bxf6 Nxf6 16.Re5 Qb8[/font] then:
• [font color="darkorange"]17.Rf5 Qc8 18.Rf4 c6 19.Rxc4 a5 20.e4[/font] gives White a fair advantage in space.
• [font color="purple"]17.Qxc4!? a5 18.Re3 c6 19.Nd4 Rd8 20.Rd3[/font] is equal.
• If [font color="darkorange"]14...Qe7?! 15.Bh3! Qe8 16.Rd4[/font] then:
• [font color="darkorange"]16...h6? 17.Bxd7! Nxd7 18.Re4[/font] White soon wins (Romanishin-Agzamov, IT, Tashkent, 1980).
• [font color="purple"]16...Bd6 17.Bxd7 Nxd7 18.Rxc4[/font] gives White a fair advantage.

11.Bxf3 Nc6 12.Bxc6 bxc6 13.a5

• [font color="red"]13.Bg5 Rb8 14.e3 a5 15.Bxf6 Bxf6 16.Rac1 c5[/font] is equal (Laznicka-Bologan, World Cup, Khanty-Mansiysk, 2009).

13...Qb8 14.Ra4

• If [font color="red"]14.Qa4 c5 15.Qxc4 cxd4[/font] then:
• [font color="red"][i16.Rxd4 c5 17.Rd1 Qb4 18.Ra4 Qxc4 19.Rxc4 Rfb8[/font] is equal (Davis-Crowe, Corres, 1989).
16.Qxd4 Rd8 17.Qa4 Rxd1+ 18.Qxd1 h6[/font] gives Black a lead in development.

14...Qb3

• [font color="red"]14...c5?! 15.Rxc4! cxd4 16.Rdxd4 c5 17.Rh4 Re8 18.Be3[/font] soon wins a pawn for White (Khalifman-Spassov, IT, Moscow, 1985).

15.Qxb3 cxb3 16.Rc4 Rfd8 (N)

• If [font color="red"]16...c5 17.dxc5 Rfd8 18.Rxd8+ Rxd8[/font] then:
• If [font color="red"]19.Be3 Nd5 20.Nxd5 Rxd5 21.Rb4[/font] then:
• [font color="red"]21...h6 22.Rxb3 Bxc5 23.Bxc5 Rxc5 24.Rb8+ Kh7 25.Rb7[/font] is equal and soon agreed drawn (Krasenkow-Khalifman, Soviet Youth Ch, Vilnius, 1988).
• [font color="magenta"]21...g6 22.Rxb3 Bxc5 23.Bxc5 Rxc5[/font] draw (Kaidanov-Tukmakov, Soviet Ch 1st League, Kujbyshev, 1986).
• [font color="darkred"]19.Rb4 Bxc5 20.Rxb3 h6 21.Kg2 Bd4 22.Rb7[/font] draw (C. Horvath-Stefansson, IT, Bischwiller, 1999).
• If [font color="blue"]16...Rfb8 17.Bf4 Nd5[/font] then:
• If [font color="blue"]18.Rxc6!? Nxf4! 19.gxf4[/font] then:
• If [font color="blue"]19...Bb4 20.Ra1 Ra7 21.e3 Kf8[/font] then:
• [font color="blue"]22.Kf1 Ke7 23.Rc4 Kd7 24.d5[/font] is equal (Fridman-Onischuk, Bundesliga 1011, Aue, 2010).
• [font color="darkcyan"]22.Ne2[/font] draw (Polovodin-Timoshchenko, Soviet Ch ½-final, Irtusk, 1983).
• [font color="dodgerblue"]19...Bd6!? 20.e3 Bb4 21.Rxc7 Bxa5 22.Rc5[/font] again gives Black a small advantage in space.
• [font color="darkblue"]18.Nxd5 cxd5 19.Rxc7 Bf6 20.Bd6[/font] gives White a small advantage with more active pieces and more space.

17.Bf4

• The game is equal.
• If [font color="red"]17.Rxc6 Bb4 18.Bg5 Bxa5 19.Rd3[/font] then:
• If [font color="red"]19...Bxc3[/font] then:
• [font color="red"]20.Bxf6 gxf6 21.Rcxc3 Rac8 22.Rc4 e5 23.d5[/font] gives White the most active Rook and more freedom.
• [font color="magenta"]20.Rcxc3 Ne4 21.Bxd8 Nxc3 22.Rxc3 Rxd8 23.e3[/font] gives White the active Rook.
• [font color="darkred"]19...Rdb8 20.Bxf6 gxf6 21.Ne4 Kg7 22.e3 Rb5 23.Nc5[/font] gives White a slight advantage in space.

17...Rd7!?

• This should give White the opportunity to take the advantage.
• Better is [font color="red"]17...c5 18.Bxc7 Rxd4 19.Rcxd4 cxd4 20.Rxd4[/font] with equality.

18.Na4!?

• White fails to capitaslize.
• If [font color="red"]18.Rd3 c5 19.dxc5[/font] then:
• If [font color="red"]19...Rc8 20.Rb4[/font] then:
• [font color="red"]20...Bxc5 21.Rxb3 Bd4 22.Bxc7 Bxf2+ 23.Kxf2 Rdxc7 24.Rb6[/font] gives White more space and Black fewer pawn weaknesses.
• [font color="burgundy"]20...Rxd3?! 21.exd3! Bxc5 22.Rxb3 h6 23.Rb7 Rd8 24.Na4[/font] gives White a fair advantage in space.
• If [font color="darkred"]19...Rxd3 20.exd3[/font] then:
• If [font color="darkred"]20...Ne8 21.Ne4[/font] then:
• [font color="darkred"]21...h6 22.h4 Rb8 23.d4 Rb5 24.Kg2 Rxa5 25.Rb4[/font] gives White a fair advantage in space.
• [font color="darkorange"]21...Rb8 22.d4 Rb5 23.Nc3 Rxa5 24.Rb4[/font] assures White of gaining a pawn with a slight advantage in space
• If [font color="magenta"]20...Rd8?[/font] then after [font color="magenta"]21.Bxc7 Rc8 22.Bd6 Bd8 23.Rb4 Ne8 24.Bf4[/font] White has an extra pawn and Black is fighting for his life.

18...Nd5!?

• Black sacrifices his extra pawn in order to weaken White's kingside.
• If [font color="red"]18...Rad8! 19.Rd3 h6[/font] then:
• [font color="red"]20.h4 Ne8 21.e4 Nf6 22.e5 Ng4 23.f3 g5[/font] is equal.
• [font color="darkred"]20.Kg2 g5 21.Be3 Rd5 22.Rxb3 Rxa5[/font] is equal.

19.Rxc6!

• White assumes a small advantage in space.

19...Nxf4 20.gxf4 Bb4?!

• Black would do better to protect his c-pawn.
• If [font color="red"]20...Ra7 21.e4 g6[/font] then:
• [font color="red"]22.Kf1 Rd8 23.Ke2 Bb4 24.Nc5 Bxa5 25.Nxb3[/font] gives White the initiative and more space; Black has a healthier pawn formation.
• [font color="darkred"]22.Rd3 Bb4 23.Rc4 Bxa5 24.Rxb3 Rd8 25.Kg2[/font] gives White a small advantage.

[center]BLACK: Eduardas Rozentalis[/center]

[center][/center]

[center]WHITE: Aleksandr Shimonov[/center][center]Position after 20...Be7b4[/center]

21.Nc5! Bxc5 22.Rxc5

• White has leveled the pawn count and has a clear advantage in space.

22...Kf8

• If [font color="red"]22...Rad8 23.e3 Rd5 24.Rdc1 h6 25.R1c3 Rxc5 26.Rxc5[/font] gives White the advantage with an active Rook eying weak pawns.

23.e3 Ke7 24.Rdc1 Ra7 25.R1c3

• Also good is [font color="red"]25.Kg2 Rb7 26.Rc6 Ra7 27.Kf3 Kf6 28.R1c5 Ke7 29.Rc3[/font] when White has [ressure on Black's weakest pawns.

25...Rb7 26.Rc6 Rb5?

• It is better for Black to protect his own a-pawn instead of attacking White's.
• If [font color="red"]26...Ra7 27.Kg2[/font] then:
• [font color="red"]27...Rd5 28.Rxc7+ Rxc7 29.Rxc7+ Ke8 30.Rb7 Rxa5 31.Rxb3[/font] leaves White with an extra pawn; both sides have active Rooks.
• [font color="darkred"]27...g6?! 28.Kf3! Kd8 29.Rxb3 Rd5 30.Rc5 Ra8 31.Rxd5+[/font] gives White an extra pawn and activity for both his Rook and King.

[center]BLACK: Eduardas Rozentalis[/center]

[center][/center]

[center]WHITE: Aleksandr Shimonov[/center][center]Position after 26.Rb7b5[/center]

27.Rxa6!

• In response to Black's last move, White takes Black's a-pawn and passes his own.

27...g5

• No better is [font color="red"]27...Ke8 28.Kg2 Rdd5 29.Ra8+ Rd8 30.Ra7 Rc8 31.a6.[/font]

28.fxg5 Rxg5+ 29.Kf1 c5

• If [font color="red"]29...Rh5 30.Ke2 Rxh2 31.Rac6[/font] then:
• If [font color="red"]31...Rh5[/font] then after [font color="red"]32.a6 Rb5 33.Kf3 Rb8 34.Ke4 h6 35.f4[/font] White wins a pawn.
• If [font color="darkred"]31...Rg2 32.Rxb3 Rg8 33.Kd3[/font] then:
• [font color="darkred"]33...h5 34.Rb7 h4 35.Rcxc7 Rxc7 36.Rxc7+ Kf6 37.Rc1[/font] White's connected passed pawns win the day.
• If [font color="magenta"]33...Ra8[/font] then after [font color="magenta"]34.Rb5 Kd8 35.b4 Kc8 36.Kc3 Rd8 37.Rbc5[/font] Black is eith squeezed to death by White's queenside pawns or allows his own pawns to fall like ripe apples.

[center]BLACK: Eduardas Rozentalis[/center]

[center][/center]

[center]WHITE: Aleksandr Shimonov[/center][center]Position after 29...c7c5[/center]

30.Rxc5 Rxc5 31.dxc5

• White has two passed pawns.

31...Rd2

• If [font color="red"]31...Rd1+[/font] then White wins after [font color="red"]32.Ke2 Rc1 33.Ra7+ Kf6 34.Rc7 Ra1 35.Kd3.[/font]

32.Ra7+ Kf6

• If [font color="red"]32...Kd8[/font] then White wins after [font color="red"]33.Rxf7 Rxb2 34.Rb7 Kc8 35.a6.[/font]

33.c6 Rxb2 34.c7 Rc2

• White wins faster after [font color="red"]34...Rb1+ 35.Kg2 Rc1 36.Rb7 b2 37.Rxb2 Rxc7 38.a6.[/font]

35.Rb7 b2 36.Rxb2 Rxc7 37.Ra2 Ke5 38.a6

• Also good is [font color="red"]38.Ke2 Ke4 39.a6 Ra7 40.Ra4+.[/font]

38...Ra7 39.Ke2 Kd5 40.Kf3 f6 41.Kf4

• [font color="red"]41.e4+ Kc6 42.Kg4 Kd6 43.Kf4 e5+ 44.Kf5[/font] also wins.

41...Kc4

• Strictly speaking the King should head for the pawn.
• [font color="red"]41...Kc5 42.e4[/font] then:
• [font color="red"]42...Kd6 43.Ra5 Kc7 44.Ra1 Kd6 45.Ra3[/font] ties the Black Rook to stopping the a-pawn and leaves the White King a free hand against Black's pawns on the kingside.
• If [font color="darkred"]42...Kb6[/font] then White wins after [font color="darkred"]43.Ra3 h6 44.Kg4 Rg7+ 45.Kh5.[/font]

42.e4 h6

• If [font color="red"]42...Kb3 43.Ra1 h6 44.Kg4[/font] then:
• [font color="red"]44...Kc4 45.f3 Kd3 46.Kh5 Ke3 47.Ra3+ Kf4 48.Kg6 leaves the White King ready to dine on Black's pawns, which Black cannot prevent, winning easily.[/font]
• If [font color="darkred"]44...Kb2[/font] then White wins easily after [font color="darkred"]45.Ra5 Kc3 46.Kh5 Kd4 47.f3 Ke3 48.Ra3+.[/font]

43.Kg4 Kd3 44.f3 1-0

• [font color="red"]44...Kd4 45.Ra4+ Ke5 46.Ra5+ Kd6 47.Kh5 Ke7 48.Kxh6[/font] gives White a second passer.
• Grandmaster Rozentalis resigns.