[Event "Ch Bulgaria"] [Site "masterchessopen.com – Sofia (Bulgaria)"] [Date "1950.12.16"] [Round "11"] [White "Popov Veselin (BUL)"] [Black "Milev Zdravko (BUL)"] [Result "0-1"] [BlackElo "2230"] [ECO "B53"] [Opening "Sicilian, Chekhover, 4...a6"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 a6 5.c4 Nf6 6.Nc3 Nc6 7.Qd1 Bg4 8.Be2 e6 9.Bg5 Be7 10.Qd2 O-O 11.O-O-O Qa5 12.Kb1 b5 13.cxb5 axb5 14.Bxb5 Nxe4 15.Nxe4 Qxa2+ 16.Kc1 Rfc8 17.Bxe7 Qa1+ 18.Kc2 Nb4+ 19.Kb3 Qa2+ 20.Kxb4 Rc4+ 21.Bxc4 Ra4+ {#R} 0-1

[Event "corr."] [Site "masterchessopen.com – BRD"] [Round "0"] [White "Karker Norbert"] [Black "Nees W"] [Result "1-0"] [ECO "B53"] [Opening "Sicilian, Chekhover, 4...Nc6"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 Nc6 5.Bb5 a6 6.Bxc6+ bxc6 7.O-O e5 8.Qc4 Qc7 9.Ng5 a5 10.Re1 h6 11.Nxf7 d5 12.exd5 Ba6 13.Qf4 Qxf7 14.Qxe5+ Kd7 15.Bf4 Rc8 16.dxc6+ Kxc6 17.Qxa5 Qxf4 18.Qxa6+ Kd7 19.Qe6+ Kc7 20.Nc3 Nf6 21.Re4 {#r} 1-0

[Event "?"] [Site "masterchessopen.com – URS"] [Round "0"] [White "Radchenko"] [Black "Shofman Mikhail (MDA)"] [Result "1-0"] [ECO "B53"] [Opening "Sicilian, Chekhover, 4...Nc6"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 Nc6 5.Bb5 Bd7 6.Bxc6 Bxc6 7.Nc3 Nf6 8.Bg5 e6 9.O-O-O Be7 10.Rhe1 O-O 11.e5 dxe5 12.Qh4 Qc7 13.Nxe5 b5 14.Ng4 Nd5 15.Rxd5 b4 16.Bxe7 bxc3 17.Nf6+ {#r} 1-0

[Event "It"] [Site "masterchessopen.com – Zurich (Switzerland)"] [Round "7"] [White "Dueckstein Andreas (AUT)"] [Black "Fischer Robert J (USA)"] [Result "0-1"] [WhiteElo "2221"] [BlackElo "2780"] [ECO "B53"] [Opening "Sicilian, Chekhover, 4...Nc6"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 Nc6 5.Bb5 Bd7 6.Bxc6 Bxc6 7.Nc3 Nf6 8.Bg5 e6 9.O-O Be7 10.Rad1 O-O 11.Rfe1 Qa5 12.Bh4 Rfd8 13.Qd3 Qh5 14.Re3 Rac8 15.Bxf6 Bxf6 16.Nd4 g6 17.Nce2 d5 18.Ng3 Qe5 19.c3 dxe4 20.Qe2 Qd6 21.Rd2 Bg5 22.Nb3 Qe5 {#R} 0-1

[Event "Olympiad (students) (team)"] [Site "masterchessopen.com – Leningrad (Russia)"] [Round "1"] [White "Liebert Heinz (GER)"] [Black "Tzend Donoy"] [Result "1-0"] [WhiteElo "2247"] [ECO "B53"] [Opening "Sicilian, Chekhover, 4...Nc6"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 Nc6 5.Bb5 Bd7 6.Bxc6 Bxc6 7.Nc3 Nf6 8.Bg5 e6 9.O-O Be7 10.Rad1 O-O 11.Rd3 Qc7 12.Rfd1 a6 13.Qe3 b5 14.Bxf6 gxf6 15.Qh6 Kh8 16.Ng5 {#r} 1-0

[Event "It"] [Site "masterchessopen.com – Torremolinos (Spain)"] [Round "3"] [White "Szabo Laszlo (HUN)"] [Black "Langeweg Kick (NED)"] [Result "1-0"] [WhiteElo "1903"] [BlackElo "2309"] [ECO "B53"] [Opening "Sicilian, Chekhover, 4...Bd7"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 Bd7 5.Bg5 Nc6 6.Qd2 Nf6 7.Nc3 e6 8.O-O-O a6 9.Bf4 e5 10.Bg5 Be6 11.Kb1 Be7 12.Bxf6 Bxf6 13.Qxd6 Qa5 14.Qd2 Rd8 15.Nd5 Bxd5 16.exd5 Nb4 17.Bc4 Rc8 18.Qe2 O-O 19.c3 e4 20.Nd2 Nxd5 21.Nxe4 {#r} 1-0

[Event "Ch URS (team)"] [Site "masterchessopen.com – Moscow (Russia)"] [Round "0"] [White "Khasidovskij"] [Black "Luik Helmuth (EST)"] [Result "1-0"] [BlackElo "2209"] [ECO "B53"] [Opening "Sicilian, Chekhover, 4...Nc6"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 Nc6 5.Bb5 Bd7 6.Bxc6 Bxc6 7.Nc3 Nf6 8.Bg5 e6 9.O-O-O Be7 10.Rhe1 Qc7 11.Bxf6 gxf6 12.Nd5 Qd8 13.Nxe7 Kxe7 14.e5 Bxf3 15.exd6+ Kf8 16.gxf3 Rg8 17.d7 Rg6 18.Qb4+ Kg7 19.Qxb7 {#r} 1-0

[Event "?"] [Site "masterchessopen.com – Poland"] [Round "0"] [White "Wach Slawomir (POL)"] [Black "Gralka Julian (POL)"] [Result "1-0"] [WhiteElo "2290"] [BlackElo "2247"] [ECO "B53"] [Opening "Sicilian, Chekhover, 4...Nc6"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 Nc6 5.Bb5 Bd7 6.Bxc6 Bxc6 7.Nc3 Nf6 8.Bg5 e6 9.O-O-O Be7 10.Rhe1 O-O 11.Qd2 Qc7 12.Nd4 Rfd8 13.Re3 Be8 14.Rg3 b5 15.Nf5 b4 16.Qd4 bxc3 17.Bxf6 cxb2+ 18.Kb1 exf5 19.Rxg7+ Kf8 20.Rxh7 {#r} 1-0

[Event "Ch Europe (juniors) (under 20) (qual)"] [Site "masterchessopen.com – Groningen (Netherlands)"] [Round "4"] [White "Varasdy Imre (HUN)"] [Black "Baljon Christofoor (NED)"] [Result "0-1"] [WhiteElo "2337"] [BlackElo "2167"] [ECO "B53"] [Opening "Sicilian, Chekhover, 4...Nc6"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 Nc6 5.Bb5 Qd7 6.Qa4 a6 7.O-O Rb8 8.Bxc6 Qxc6 9.Qxc6+ bxc6 10.c4 g6 11.Nbd2 Bg7 12.Re1 Nh6 13.Rb1 O-O 14.b3 Rd8 15.Bb2 Bxb2 16.Rxb2 Ng4 17.h3 Ne5 18.Nxe5 dxe5 19.Nf3 f6 20.Kf1 Be6 21.Ke2 Bxc4+ {#R} 0-1

[Event "Olympiad"] [Site "masterchessopen.com – Skopje (Macedonia)"] [Round "1"] [White "Shirazi Kamran (FRA)"] [Black "Benko Pal C (USA)"] [Result "0-1"] [WhiteElo "2376"] [BlackElo "2515"] [ECO "B53"] [Opening "Sicilian, Chekhover, 4...a6"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 a6 5.Bg5 Nc6 6.Qd2 h6 7.Be3 Nf6 8.Nc3 e6 9.O-O-O Be7 10.Bf4 e5 11.Be3 Be6 12.h3 Rc8 13.Kb1 b5 14.Bd3 Qa5 15.Nd5 Bxd5 16.Qxa5 Nxa5 17.exd5 e4 18.Bb6 exd3 19.cxd3 Nb7 {#R} 0-1

[Event "It"] [Site "masterchessopen.com – Vrnjacka Banja (Serbia)"] [Round "0"] [White "Ciocaltea Viktor (ROM)"] [Black "Csom Istvan (HUN)"] [Result "1-0"] [WhiteElo "2470"] [BlackElo "2485"] [ECO "B53"] [Opening "Sicilian, Chekhover, 4...Bd7"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 Bd7 5.c4 Nc6 6.Qd2 Nf6 7.Nc3 g6 8.b3 Bg7 9.Bb2 O-O 10.Be2 Qa5 11.Rb1 Rfc8 12.O-O Rab8 13.h3 a6 14.a3 Qc5 15.b4 Qa7 16.c5 Ne8 17.Nd5 Bxb2 18.Rxb2 dxc5 19.Qh6 f6 20.Nxe7+ {#r} 1-0

[Event "Ch Australia"] [Site "masterchessopen.com – Cooma (Australia)"] [Round "8"] [White "Fuller Maxwell L (AUS)"] [Black "Parr David (ENG)"] [Result "1-0"] [WhiteElo "2365"] [BlackElo "2007"] [ECO "B53"] [Opening "Sicilian, Chekhover, 4...Nc6"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 Nc6 5.Bb5 Qd7 6.Nc3 e6 7.Bxc6 bxc6 8.Bg5 Rb8 9.O-O-O Qc7 10.Bf4 c5 11.Bxd6 cxd4 12.Bxc7 Rb7 13.Ba5 dxc3 14.Rd8+ Ke7 15.Rxc8 cxb2+ 16.Kb1 Nf6 17.Rd1 Rd7 18.Bb4+ {#r} 1-0

[Event "It (cat.6)"] [Site "masterchessopen.com – corr."] [Round "0"] [White "Mariotti"] [Black "Steiner (CZE)"] [Result "1-0"] [ECO "B53"] [Opening "Sicilian, Chekhover, 4...Bd7"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 Bd7 5.c4 Nf6 6.Nc3 Nc6 7.Qd2 g6 8.b3 Bg7 9.Bb2 Qa5 10.Rb1 O-O 11.Be2 Ng4 12.h3 Nf6 13.O-O Qd8 14.Rfd1 h6 15.Qe3 Nh7 16.Nd5 f6 17.c5 dxc5 18.Nf4 Qe8 19.Bc4+ {#r} 1-0

[Event "?"] [Site "masterchessopen.com – corr."] [Round "0"] [White "Kamarainen Jorma"] [Black "Viljava Tapani (FIN)"] [Result "1-0"] [BlackElo "2186"] [ECO "B53"] [Opening "Sicilian, Chekhover, 4...Bd7"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 Bd7 5.c4 Nc6 6.Qd2 Nf6 7.Nc3 g6 8.b3 Bg7 9.Bb2 O-O 10.Be2 Qa5 11.Rb1 a6 12.a3 Rfc8 13.h3 Be6 14.O-O Nd7 15.b4 Qd8 16.Rfc1 b6 17.Nd5 Bxb2 18.Rxb2 Nde5 19.Ng5 h6 20.Nxe6 fxe6 21.Qxh6 {#r} 1-0

[Event "Ch Brazil (play-off)"] [Site "masterchessopen.com – Rio de Janeiro (Brazil)"] [Round "1"] [White "Segal Alexandru Sorin (BRA)"] [Black "Miranda Marcio M C (BRA)"] [Result "1-0"] [WhiteElo "2350"] [BlackElo "2273"] [ECO "B53"] [Opening "Sicilian, Chekhover, 4...Nc6"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 Nc6 5.Bb5 Bd7 6.Bxc6 Bxc6 7.Nc3 Nf6 8.Bg5 e6 9.O-O-O Qa5 10.Rhe1 Be7 11.Nd5 Bxd5 12.exd5 Qxa2 13.dxe6 fxe6 14.Rd3 Qa1+ 15.Kd2 Qa5+ 16.b4 Qf5 17.g4 Nxg4 18.Bxe7 Kxe7 19.Qxg7+ Qf7 20.Qxg4 Qf6 21.Rxe6+ Qxe6 22.Qg7+ {#r} 1-0

[Event "It (b)"] [Site "masterchessopen.com – Bad Meinberg (Germany)"] [Round "0"] [White "Nicolai Werner"] [Black "Dittmann Hans-Adolf (GER)"] [Result "0-1"] [WhiteElo "2200"] [BlackElo "2170"] [ECO "B53"] [Opening "Sicilian, Chekhover, 4...Nc6"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 Nc6 5.Bb5 Bd7 6.Bxc6 Bxc6 7.Nc3 Nf6 8.Bg5 e6 9.O-O-O Be7 10.Rhe1 O-O 11.Qd2 Qb6 12.Nd4 Rfd8 13.f3 Rac8 14.g4 Be8 15.Be3 Qa6 16.g5 Nd7 17.f4 Nb6 18.Kb1 d5 19.e5 Bb4 20.Nde2 Bb5 21.Bd4 Na4 22.Qe3 Bc4 {#R} 0-1

[Event "Izt (cat.12)"] [Site "masterchessopen.com – Biel (Switzerland)"] [Round "0"] [White "Tal Mikhail N (LAT)"] [Black "Byrne Robert E (USA)"] [Result "1-0"] [WhiteElo "2615"] [BlackElo "2540"] [ECO "B53"] [Opening "Sicilian, Chekhover, 4...Nc6"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 Nc6 5.Bb5 Bd7 6.Bxc6 Bxc6 7.Nc3 Nf6 8.Bg5 e6 9.O-O-O Be7 10.Rhe1 O-O 11.Qd2 Qa5 12.Nd4 Rac8 13.Kb1 Kh8 14.f4 h6 15.h4 hxg5 16.hxg5 Nxe4 17.Qd3 Bxg5 18.Nxe4 Bxe4 19.Rxe4 Bh6 20.g4 f5 21.Rxe6 Bxf4 22.Nxf5 {#r} 1-0

[Event "It (open) \"] [Site "masterchessopen.com – Oslo (Norway)"] [Round "1"] [White "Semakoff Aleks (NOR)"] [Black "Knudsen Ole Scott (NOR)"] [Result "0-1"] [WhiteElo "2137"] [BlackElo "2230"] [ECO "B53"] [Opening "Sicilian, Chekhover, 4...Nc6"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 Nc6 5.Bb5 Qd7 6.Qd3 g6 7.O-O Nf6 8.Nc3 Bg7 9.Re1 O-O 10.Nd5 e6 11.c3 exd5 12.exd5 Qc7 13.dxc6 bxc6 14.Ba4 d5 15.Be3 c5 16.Bc2 Rb8 17.Rab1 d4 18.cxd4 cxd4 19.Nxd4 Ng4 {#R} 0-1

[Event "Ch Sweden"] [Site "masterchessopen.com – Sweden"] [Round "0"] [White "Wedberg Tom (SWE)"] [Black "Friberg Hans (SWE)"] [Result "1-0"] [WhiteElo "2487"] [BlackElo "2230"] [ECO "B53"] [Opening "Sicilian, Chekhover, 4...Nf6"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 Nf6 5.Bg5 Nc6 6.Qe3 e6 7.Bb5 Bd7 8.Nc3 Be7 9.O-O-O Qc7 10.Rd2 a6 11.Bxc6 Bxc6 12.Rhd1 O-O-O 13.h3 h6 14.Bf4 e5 15.Bh2 Kb8 16.Kb1 Rhe8 17.Ne1 Bf8 18.Nd3 d5 19.exd5 Nxd5 20.Nxd5 Rxd5 21.Nxe5 {#r} 1-0

[Event "corr."] [Site "masterchessopen.com – Finland"] [Round "0"] [White "Kahra Harry"] [Black "Vidican A"] [Result "1-0"] [ECO "B53"] [Opening "Sicilian, Chekhover, 4...Nc6"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 Nc6 5.Bb5 Bd7 6.Bxc6 Bxc6 7.Nc3 Nf6 8.Bg5 e6 9.O-O-O Be7 10.Rhe1 h6 11.Bxf6 gxf6 12.Nd5 Rg8 13.Nxe7 Kxe7 14.e5 fxe5 15.Nxe5 Qc7 16.Qh4+ Ke8 17.Ng4 Rg6 18.Nxh6 Rc8 19.Nf5 Bd5 20.Re2 {#r} 1-0

[Event "Ch DDR"] [Site "masterchessopen.com – Frankfurt/Oder (Germany)"] [Round "11"] [White "Espig Thomas (GER)"] [Black "Knaak Rainer (GER)"] [Result "0-1"] [WhiteElo "2227"] [BlackElo "2500"] [ECO "B53"] [Opening "Sicilian, Chekhover, 4...Bd7"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 Bd7 5.c4 Nc6 6.Qd2 Nf6 7.Nc3 g6 8.b3 Bg7 9.Bb2 O-O 10.h3 Qa5 11.Bd3 Nb4 12.O-O Nxd3 13.Qxd3 Nh5 14.e5 Bc6 15.exd6 exd6 16.g3 f5 17.Nd4 f4 18.Nxc6 bxc6 {#R} 0-1

[Event "Ch URS (farming team)"] [Site "masterchessopen.com – URS"] [Round "0"] [White "Kuksov Valerij (RUS)"] [Black "Vitolins Alvis (LAT)"] [Result "0-1"] [WhiteElo "2286"] [BlackElo "2435"] [ECO "B53"] [Opening "Sicilian, Chekhover, 4...Nc6"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 Nc6 5.Bb5 Bg4 6.Nc3 a6 7.Bxc6+ bxc6 8.Be3 e5 9.Qc4 Qd7 10.O-O-O Qb7 11.Ng5 Bxd1 12.Nxf7 d5 13.exd5 Be2 14.Qxe2 Qxf7 15.Bg5 Bd6 16.Ne4 Be7 17.Bxe7 Qxe7 18.d6 Qe6 19.Rd1 Nf6 20.Nc5 Qf5 21.d7+ Ke7 {#R} 0-1

[Event "It"] [Site "masterchessopen.com – Beer-Sheva (Israel)"] [Round "12"] [White "Veinger Itzhak (ISR)"] [Black "Kraidman Yair (ISR)"] [Result "0-1"] [WhiteElo "2356"] [BlackElo "2455"] [ECO "B53"] [Opening "Sicilian, Chekhover, 4...Bd7"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 Bd7 5.c4 Nc6 6.Qd2 g6 7.Be2 Nf6 8.Nc3 Bg7 9.O-O O-O 10.Rb1 a6 11.b3 Qb8 12.Bb2 b5 13.Nd4 bxc4 14.Bxc4 Nxd4 15.Qxd4 Ng4 16.Qd1 d5 17.g3 dxc4 18.Qxd7 Ne5 19.Qd1 Rd8 20.Qe2 Rd2 21.Qe3 {#R} 0-1

[Event "Olympiad (w) (qual)"] [Site "masterchessopen.com – Buenos Aires (Argentina)"] [Round "7"] [White "Shikova Vesmina W (BUL)"] [Black "Paniagua Blanca"] [Result "1-0"] [WhiteElo "2055"] [BlackElo "1800"] [ECO "B53"] [Opening "Sicilian, Chekhover, 4...Nc6"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 Nc6 5.Bb5 Bd7 6.Bxc6 Bxc6 7.Bg5 f6 8.Be3 e5 9.Qd3 Ne7 10.c4 a6 11.Nc3 Qd7 12.Nd5 Bxd5 13.cxd5 f5 14.Ng5 fxe4 15.Nxe4 Nf5 16.Ng5 g6 17.O-O Bh6 18.Ne6 Bxe3 19.fxe3 Ng7 20.Rf6 {#r} 1-0

[Event "Ch Yugoslavia"] [Site "masterchessopen.com – Yugoslavia"] [Round "0"] [White "Ostojic Predrag (YUG)"] [Black "Rajkovic Dusan (SRB)"] [Result "0-1"] [WhiteElo "2325"] [BlackElo "2415"] [ECO "B53"] [Opening "Sicilian, Chekhover, 4...a6"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 a6 5.c4 Nc6 6.Qd2 g6 7.b3 Bg7 8.Nc3 Bg4 9.Bb2 Bxf3 10.gxf3 Qa5 11.f4 Nf6 12.f3 Nh5 13.f5 Be5 14.Rb1 Nd4 15.Kd1 Rc8 16.b4 Qxb4 17.Ba1 Qc5 18.Rxb7 Qc6 19.Ra7 O-O 20.Qe3 Rb8 21.Rg1 Rb1+ 22.Nxb1 Qa4+ {#R} 0-1

[Event "It"] [Site "masterchessopen.com – Graz (Austria)"] [Round "13"] [White "Dueckstein Andreas (AUT)"] [Black "Schinzel Wladyslaw (POL)"] [Result "1-0"] [WhiteElo "2221"] [BlackElo "2380"] [ECO "B53"] [Opening "Sicilian, Chekhover, 4...Nc6"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 Nc6 5.Bb5 Qd7 6.Qa4 a6 7.Nc3 Rb8 8.Bxc6 Qxc6 9.Qd4 Bg4 10.Be3 Nf6 11.Qa7 Nd7 12.Nd5 Bxf3 13.gxf3 e6 14.Nb6 Be7 15.Nxd7 Kxd7 16.O-O-O Bf6 17.Bc5 Ra8 18.Rxd6+ {#r} 1-0

[Event "It (open)"] [Site "masterchessopen.com – Bochum (Germany)"] [Date "1979.03.17"] [Round "7"] [White "Gueroff Eduard (GER)"] [Black "Sehner Norbert (GER)"] [Result "1-0"] [WhiteElo "2281"] [BlackElo "2373"] [ECO "B53"] [Opening "Sicilian, Chekhover, 4...a6"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 a6 5.Bg5 Bg4 6.Nfd2 Nc6 7.Qe3 h6 8.Bh4 g5 9.Bg3 Bg7 10.c3 d5 11.exd5 Qxd5 12.f3 Qe6 13.Ne4 Nf6 14.Bc4 {#r} 1-0

[Event "Ch Bayern (b)"] [Site "masterchessopen.com – Bayern (Germany)"] [Round "0"] [White "Eichenseer Fritz (GER)"] [Black "Santl Anton (GER)"] [Result "1-0"] [WhiteElo "2229"] [BlackElo "2098"] [ECO "B53"] [Opening "Sicilian, Chekhover Variation"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 e5 5.Qd3 Be7 6.c4 Nf6 7.Nc3 O-O 8.Be2 h6 9.O-O Be6 10.Rd1 Nbd7 11.b3 Nc5 12.Qc2 a6 13.Nxe5 dxe5 14.Rxd8 Rfxd8 15.Be3 Rac8 16.a4 b5 17.axb5 axb5 18.b4 Na4 19.Nxb5 {#r} 1-0

[Event "corr."] [Site "masterchessopen.com – France"] [Round "0"] [White "Perrenot P"] [Black "Pirat"] [Result "1-0"] [ECO "B53"] [Opening "Sicilian, Chekhover, 4...Nc6"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 Nc6 5.Bb5 a6 6.Bxc6+ bxc6 7.c4 Nf6 8.Nc3 e6 9.Bg5 Be7 10.O-O-O Bd7 11.e5 c5 12.Qh4 dxe5 13.Nxe5 Qc7 14.Nxd7 {#r} 1-0

[Event "?"] [Site "masterchessopen.com – Reggio Emilia (Italy)"] [Round "0"] [White "Messa Roberto (ITA)"] [Black "Santolini Luigi (ITA)"] [Result "1-0"] [WhiteElo "2290"] [BlackElo "2197"] [ECO "B53"] [Opening "Sicilian, Chekhover, 4...Nc6"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 Nc6 5.Bb5 Bd7 6.Bxc6 Bxc6 7.Nc3 Nf6 8.Bg5 e6 9.O-O-O Be7 10.Rhe1 O-O 11.e5 dxe5 12.Qh4 Qc7 13.Nxe5 h6 14.Bxh6 Ne4 15.Qh5 Nxc3 16.Rd3 gxh6 17.Qxh6 {#r} 1-0

[Event "Olympiad"] [Site "masterchessopen.com – Lucerne (Switzerland)"] [Round "9"] [White "Barry Colm (IRL)"] [Black "Choong Yit-Chuan (MAS)"] [Result "1-0"] [WhiteElo "2262"] [BlackElo "2205"] [ECO "B53"] [Opening "Sicilian, Chekhover, 4...Nc6"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 Nc6 5.Bb5 Qd7 6.Qd3 a6 7.Bxc6 bxc6 8.c4 Bb7 9.Nc3 d5 10.O-O e6 11.Bf4 Bd6 12.Bxd6 Qxd6 13.Qd4 f6 14.Qb6 Rb8 15.exd5 Bc8 16.Ne4 Rxb6 17.Nxd6+ Kd7 18.c5 exd5 19.Nxc8 {#r} 1-0

[Event "corr."] [Site "masterchessopen.com – Yugoslavia"] [Round "0"] [White "Paskulj"] [Black "Susulic"] [Result "1-0"] [ECO "B53"] [Opening "Sicilian, Chekhover, 4...Nc6"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 Nc6 5.Bb5 Bd7 6.Bxc6 Bxc6 7.Nc3 Nf6 8.Bg5 e6 9.O-O-O Be7 10.Rhe1 Qa5 11.Qd2 Rc8 12.Nd4 O-O 13.Kb1 Qd8 14.f4 h6 15.h4 hxg5 16.hxg5 Nd7 17.g3 Nc5 18.Rh1 f5 19.Nxc6 Rxc6 20.g6 Rf6 21.Rh8+ {#r} 1-0

[Event "Olympiad"] [Site "masterchessopen.com – Salonika (Greece)"] [Round "0"] [White "Veroci Zsuzsa (HUN)"] [Black "Kondou Eva (GRE)"] [Result "1-0"] [WhiteElo "2250"] [BlackElo "2187"] [ECO "B53"] [Opening "Sicilian, Chekhover, 4...a6"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 a6 5.Be3 b5 6.Qd5 Qc7 7.Qxa8 Nc6 8.Nc3 e6 9.Nxb5 {#r} 1-0

[Event "Olympiad"] [Site "masterchessopen.com – Salonika (Greece)"] [Round "7"] [White "Yilmaz Gulsevil (TUR)"] [Black "Acevedo Hilda (MEX)"] [Result "0-1"] [WhiteElo "2005"] [BlackElo "2070"] [ECO "B53"] [Opening "Sicilian, Chekhover, 4...Nc6"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 Nc6 5.Bb5 Bd7 6.Bxc6 Bxc6 7.c4 Nf6 8.Nc3 g6 9.b3 Bg7 10.Bb2 O-O 11.Nd5 Nh5 12.Qd2 Bxb2 13.Qxb2 e6 14.Nc3 Nf4 15.O-O f5 16.Qc2 Qf6 17.Rad1 fxe4 18.Nxe4 Qf5 19.Rde1 Qg4 20.Ng3 Bxf3 {#R} 0-1

[Event "corr."] [Site "masterchessopen.com – Germany"] [Round "0"] [White "Bachmann Friedhelm"] [Black "Tobor Detlef (GER)"] [Result "1-0"] [BlackElo "2143"] [ECO "B53"] [Opening "Sicilian, Chekhover, 4...Nc6"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 Nc6 5.Bb5 Bd7 6.Bxc6 Bxc6 7.c4 Nf6 8.Nc3 g6 9.Qd3 Bg7 10.O-O O-O 11.Nd4 Bd7 12.b3 a6 13.Bg5 Rc8 14.Rad1 Re8 15.Rfe1 Qa5 16.Nd5 Nxd5 17.exd5 e5 18.dxe6 fxe6 19.Bd2 Qh5 20.Ne2 Qc5 21.Be3 Qa5 22.Qxd6 {#r} 1-0

[Event "Ch Ukraine (1/2 final)"] [Site "masterchessopen.com – Ukraine"] [Round "0"] [White "Zvonitsky"] [Black "Gurevich Vladimir (UKR)"] [Result "1-0"] [BlackElo "2474"] [ECO "B53"] [Opening "Sicilian, Chekhover, 4...a6"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 a6 5.c4 Nc6 6.Qd2 g6 7.b3 Bh6 8.Qc3 Qa5 9.Qxa5 Nxa5 10.Bb2 Nf6 11.Nc3 Be6 12.Nd5 Bxd5 13.exd5 O-O 14.b4 {#r} 1-0

[Event "It (open)"] [Site "masterchessopen.com – Warsaw (Poland)"] [Round "0"] [White "Popielarz"] [Black "Mielniczek Krzysztof (POL)"] [Result "1-0"] [BlackElo "2178"] [ECO "B53"] [Opening "Sicilian, Chekhover, 4...Nc6"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 Nc6 5.Bb5 Bd7 6.Bxc6 Bxc6 7.Nc3 Nf6 8.Bg5 e6 9.O-O-O Be7 10.Rhe1 O-O 11.e5 dxe5 12.Qh4 Qc7 13.Nxe5 h6 14.Bxh6 gxh6 15.Qxh6 Nh7 16.f4 Bf6 17.Re3 Bg7 18.Rg3 f6 19.Rd7 Qxd7 20.Nxd7 Rf7 21.Nc5 b6 22.Nxe6 {#r} 1-0

[Event "?"] [Site "masterchessopen.com – corr."] [Round "0"] [White "Stefansson"] [Black "Zanetti Alberto (ITA)"] [Result "0-1"] [BlackElo "2167"] [ECO "B53"] [Opening "Sicilian, Chekhover, 4...Nc6"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 Nc6 5.Bb5 Bd7 6.Bxc6 Bxc6 7.Nc3 Nf6 8.Bg5 e6 9.O-O Be7 10.Rad1 O-O 11.Rfe1 Qa5 12.Qd2 Kh8 13.Nd4 Rac8 14.Nd5 Qxd2 15.Rxd2 Nxd5 16.exd5 Bxg5 {#R} 0-1

[Event "It (open)"] [Site "masterchessopen.com – Los Angeles (USA)"] [Round "2"] [White "Tanner Heinrich (SUI)"] [Black "Carlin Alfred Blake (USA)"] [Result "0-1"] [WhiteElo "2241"] [BlackElo "2164"] [ECO "B53"] [Opening "Sicilian, Chekhover, 4...Bd7"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 Bd7 5.Be2 Nc6 6.Qd1 Nf6 7.Nbd2 g6 8.O-O Bg7 9.c4 O-O 10.Rb1 Nh5 11.b3 Nf4 12.Bb2 Qa5 13.Bxg7 Kxg7 14.a4 Qh5 15.Re1 f5 16.exf5 Bxf5 17.Rb2 Qg4 18.g3 Nh3+ 19.Kf1 Bd7 20.Bd3 Qd4 {#R} 0-1

[Event "Ch Netherlands (team)"] [Site "masterchessopen.com – Netherlands"] [Round "0"] [White "De Zeeuw Maarten"] [Black "Witt Rob (NED)"] [Result "1-0"] [BlackElo "2239"] [ECO "B53"] [Opening "Sicilian, Chekhover, 4...Nc6"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 Nc6 5.Bb5 Qd7 6.Qa4 a6 7.O-O Nf6 8.e5 axb5 9.Qxa8 dxe5 10.Nc3 e4 11.Rd1 Qf5 12.Nh4 {#r} 1-0

[Event "It (open)"] [Site "masterchessopen.com – Bad Woerishofen (Germany)"] [Round "0"] [White "Meier Volker (GER)"] [Black "Spiriev Peter (HUN)"] [Result "1-0"] [WhiteElo "2292"] [BlackElo "2245"] [ECO "B53"] [Opening "Sicilian, Chekhover, 4...Nc6"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 Nc6 5.Bb5 Qd7 6.Qd3 e5 7.c4 a6 8.Ba4 f5 9.Nc3 fxe4 10.Nxe4 Nf6 11.Bg5 Be7 12.Rd1 Nxe4 13.Qxe4 O-O 14.c5 d5 15.Rxd5 Qc7 16.Bxc6 bxc6 17.Rxe5 Qa5+ 18.b4 Qxa2 19.O-O Bxg5 20.Nxg5 g6 {#r} 1-0

[Event "Ch DDR (corr.)"] [Site "masterchessopen.com – DDR"] [Round "0"] [White "Micheel"] [Black "Geisel I"] [Result "0-1"] [ECO "B53"] [Opening "Sicilian, Chekhover, 4...Nc6"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 Nc6 5.Bb5 Qd7 6.Qd3 a6 7.Bxc6 Qxc6 8.c4 b5 9.Na3 Nf6 10.e5 b4 11.Nc2 dxe5 12.Nxb4 Qb7 13.Qc3 Ne4 14.Qb3 Nc5 15.Qc3 Qxb4 {#R} 0-1

[Event "corr."] [Site "masterchessopen.com – DDR"] [Round "0"] [White "Dellert"] [Black "Hein"] [Result "1-0"] [ECO "B53"] [Opening "Sicilian, Chekhover, 4...Nc6"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 Nc6 5.Bb5 Bd7 6.Bxc6 Bxc6 7.Nc3 Nf6 8.Bg5 e6 9.O-O-O Be7 10.Rhe1 O-O 11.Kb1 Qc7 12.Qd2 Rfd8 13.Nd4 a6 14.f3 b5 15.Nce2 Rac8 16.g4 Nxe4 17.fxe4 Bxg5 18.Qxg5 Bxe4 19.Nc3 b4 20.Nxe4 h6 21.Qd2 {#r} 1-0

[Event "Ch Sweden (corr.)"] [Site "masterchessopen.com – Sweden"] [Round "12"] [White "Thuring Lars"] [Black "Nilsson Per-Gunnar"] [Result "0-1"] [ECO "B53"] [Opening "Sicilian, Chekhover, 4...Bd7"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 Bd7 5.c4 Nc6 6.Qd2 g6 7.b3 Bg7 8.Bb2 Bxb2 9.Qxb2 Nf6 10.Nbd2 O-O 11.Be2 Nh5 12.O-O Nf4 13.Rfe1 e5 14.c5 dxc5 15.Nc4 Nd4 16.Nxd4 cxd4 17.Bf1 Qh4 18.a4 Bh3 19.f3 Bxg2 {#R} 0-1

[Event "It (open)"] [Site "masterchessopen.com – Bad Mergentheim (Germany)"] [Round "0"] [White "Vetemaa Juri (EST)"] [Black "Wojtkiewicz Aleksander (USA)"] [Result "0-1"] [WhiteElo "2288"] [BlackElo "2475"] [ECO "B53"] [Opening "Sicilian, Chekhover, 4...a6"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 a6 5.c4 Nc6 6.Qe3 Nf6 7.Nc3 g6 8.Bd2 Bg7 9.O-O-O O-O 10.h4 Ng4 11.Qe1 Qb6 12.Be3 Nxe3 13.fxe3 h5 14.Qd2 Bg4 15.Be2 Rac8 16.Kb1 e6 17.Ng5 Bxc3 {#R} 0-1

[Event "Ch Sweden (corr.)"] [Site "masterchessopen.com – Sweden"] [Round "5"] [White "Persson Bjorn"] [Black "Lindeberg Stig"] [Result "0-1"] [ECO "B53"] [Opening "Sicilian, Chekhover, 4...Nc6"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 Nc6 5.Bb5 Qd7 6.Bxc6 bxc6 7.Nc3 e5 8.Qd3 Be7 9.Be3 Nf6 10.O-O-O O-O 11.h3 Qb7 12.Kb1 a5 13.Rdg1 a4 14.g4 Be6 15.g5 Nd7 16.h4 Rfb8 17.Bc1 d5 18.Ne1 Ba3 19.b3 axb3 20.axb3 Nc5 21.Qd1 d4 22.Ne2 Nxb3 {#R} 0-1

[Event "It \"] [Site "masterchessopen.com – New York (USA)"] [Round "0"] [White "Griswold Ed"] [Black "Brown Chris"] [Result "1-0"] [ECO "B53"] [Opening "Sicilian, Chekhover, 4...Nc6"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 Nc6 5.Bb5 Bd7 6.Bxc6 Bxc6 7.Bg5 Nf6 8.Nc3 e5 9.Qd3 Qa5 10.O-O-O Be7 11.Kb1 O-O-O 12.Nd2 h6 13.Nc4 Qc7 14.Bxf6 gxf6 15.Nd5 Bxd5 16.Qxd5 Bf8 17.Rd3 Kb8 18.Rhd1 Rg8 19.Na5 Rd7 20.Nxb7 Qxb7 21.Rb3 {#r} 1-0

[Event "corr."] [Site "masterchessopen.com – DDR"] [Round "0"] [White "Braune"] [Black "Senftleben O"] [Result "0-1"] [ECO "B53"] [Opening "Sicilian, Chekhover, 4...a6"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 a6 5.c4 Nc6 6.Qd2 g6 7.Nc3 Bh6 8.Qd1 Bg7 9.h3 Nf6 10.Be2 O-O 11.O-O Rb8 12.Be3 Bd7 13.Qd2 b5 14.cxb5 axb5 15.Bxb5 Nxe4 16.Nxe4 Rxb5 17.Nd4 Nxd4 18.Bxd4 Rd5 19.Bxg7 Rxd2 20.Bxf8 Rd4 {#R} 0-1

[Event "Tournament"] [Site "masterchessopen.com – Lincolnwood (USA)"] [Round "3"] [White "Karklins Andrew (USA)"] [Black "Szpisjak Steven (USA)"] [Result "1-0"] [WhiteElo "2205"] [BlackElo "2126"] [ECO "B53"] [Opening "Sicilian, Chekhover, 4...Nc6"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 Nc6 5.Bb5 Bd7 6.Bxc6 bxc6 7.O-O Qb6 8.Qc3 Nf6 9.Nbd2 e5 10.b3 Be7 11.Ba3 Qa6 12.Nc4 c5 13.Nfd2 Bb5 14.Bb2 O-O 15.f4 Bxc4 16.Nxc4 Nxe4 17.Qd3 f5 18.fxe5 dxe5 19.Rxf5 Nd6 20.Rxe5 Nxc4 21.Rxe7 {#r} 1-0

[Event "It (open)"] [Site "masterchessopen.com – Vienna (Austria)"] [Round "9"] [White "Markovic Milan (CZE)"] [Black "Danailov Silvio (BUL)"] [Result "0-1"] [WhiteElo "2182"] [BlackElo "2466"] [ECO "B53"] [Opening "Sicilian, Chekhover, 4...Nc6"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 Nc6 5.Bb5 Bd7 6.Bxc6 Bxc6 7.c4 Nf6 8.Nc3 e6 9.O-O Be7 10.b3 O-O 11.Bb2 a6 12.Rfe1 Re8 13.a4 b6 14.Rad1 Nd7 15.Nb5 e5 {#R} 0-1