[Event "Match \"] [Site "masterchessopen.com St. Petersburg (Russia)"] [Round "2"] [White "Matveeva Svetlana (RUS)"] [Black "Stjazhkina Olga (RUS)"] [Result "1-0"] [WhiteElo "2437"] [BlackElo "2376"] [ECO "D22"] [Opening "QGA: Alekhine, 4.e3"] { Stjazhkina Olga (RUS) +1 =0 -0 } 1.d4 d5 2.c4 dxc4 3.Nf3 a6 4.e3 Bg4 5.Bxc4 e6 6.h3 Bh5 { ?/= } 7.Nbd2 ( 7.Nc3 Nf6 8.O-O Nc6 9.a3 Bd6 10.Be2 O-O 11.Nd2 Bxe2 12.Qxe2 e5 13.dxe5 Bxe5 14.Rb1 Re8 15.Nf3 Qe7 16.Nxe5 Qxe5 17.Qc2 Rad8 18.Bd2 Qe6 19.Rfd1 Qc4 20.Bc1 Ne5 21.e4 h6 22.Be3 Rd3 23.Rxd3 Qxd3 24.Qa4 Qc4 25.Qc2 Qd3 26.Qa4 Qc4 { ...1/2-1/2, Bogoljubow Efim D 2630 - Alekhine Alexander A 2700 , Germany 1934 Ch World (match) } ) 7...Nf6 ( 7...Nd7 8.O-O Ngf6 9.a4 Bb4 10.a5 c5 11.Qa4 O-O 12.dxc5 Bxc5 13.b4 Bd6 14.Bb2 Qe7 15.Bxf6 Nxf6 16.b5 Rfd8 17.bxa6 bxa6 18.Rab1 Bc7 19.Rfc1 Bg6 20.Rb2 Rdc8 21.Re1 Nd7 22.e4 Nc5 23.Qa3 Qd8 24.Ra2 Bd6 25.e5 Be7 26.Qe3 Qd7 27.Nd4 { ...0-1, Gheorghiu Florin 2530 - Bilek Istvan 2490 , Bucharest 1961 It } ) 8.O-O ( 8.Be2 c5 9.b3 Nbd7 10.O-O Be7 11.Bb2 O-O 12.Ne5 Bxe2 13.Qxe2 cxd4 14.exd4 Rc8 15.Ndc4 Nb6 16.Nxb6 Qxb6 17.Rfc1 Rfd8 18.Qf3 Qb5 19.a4 Qd5 20.Rc4 Qxf3 21.Nxf3 Nd5 22.Rac1 Ra8 23.g3 Kf8 24.Kf1 Ke8 25.Ke2 Bd6 26.Ra1 b5 27.axb5 axb5 { ...1/2-1/2, Vajda Arpad 2480 - Szilagyi Gyorgy 2370 , Budapest 1952 Ch Hungary } ) 8...Nc6 ( 8...c5 9.Be2 Nc6 10.Nb3 cxd4 11.Nfxd4 Bxe2 12.Qxe2 Nxd4 13.Nxd4 Be7 14.Bd2 Ne4 15.Rfd1 Nxd2 16.Rxd2 Qb6 17.Rd3 O-O 18.Rb3 Qc7 19.Rc3 Qd7 20.Rac1 Bd6 21.Nb3 Rac8 22.Rxc8 Rxc8 23.Rxc8+ Qxc8 24.Qd2 Be5 25.Nc1 g6 26.Nd3 Bf6 27.b3 Qc6 28.Qc1 { ...1/2-1/2, Malich Burkhard Dr 2535 - Bagirov Vladimir 2545 , Berlin 1979 It } ) ( 8...Nbd7 9.b3 c5 10.Be2 cxd4 11.Nxd4 Bxe2 12.Qxe2 Bc5 13.Bb2 O-O 14.Rac1 Rc8 15.Rfd1 Qe7 16.N4f3 Bb4 17.Rxc8 Rxc8 { 1/2-1/2, Smyslov Vassily 2620 - Botvinnik Mikhail M 2630 , Hague/Moscow 1948 Ch World (match-tournament) } ) 9.b3 ( 9.Be2 Bd6 10.Nc4 O-O 11.Bd2 b5 12.Na5 Nxa5 13.Bxa5 Qe7 14.Rc1 Rfc8 15.Rc6 Qe8 16.Rc2 c5 17.dxc5 Bxc5 { 1/2-1/2, Taimanov Mark E 2580 - Lombardy William J 2515 , Tallinn 1975 It } ) 9...Bd6 10.Bb2 O-O ( 10...Qe7 11.Be2 Ba3 12.Bxa3 Qxa3 13.Nc4 Qe7 14.Qc2 O-O 15.Rfc1 Nb4 16.Qd2 Ne4 17.Qe1 f6 18.a3 Nd5 19.b4 Nd6 20.Na5 h6 21.Nd2 Bxe2 22.Qxe2 c6 23.Ndc4 Rf7 24.g3 Nxc4 25.Nxc4 Rd8 26.Rab1 Rff8 27.Rb3 Rd7 28.Rd3 Rfd8 29.Rcd1 e5 30.Qc2 { ...1/2-1/2, Donner Jan Hein 2500 - Gerusel Mathias 2410 , Solingen 1968 It } ) 11.Be2 ( 11.Rc1 Qe7 12.Be2 Bg6 13.Nh4 Be4 14.Nxe4 Nxe4 15.Nf3 Ba3 { 1/2-1/2, Sosonko Gennadi 2575 - Hort Vlastimil 2600 , Wijk aan Zee 1982 It (cat.13) } ) ( 11.Re1 Bb4 12.Be2 Nd5 13.Qc2 Bg6 14.Bd3 Bxd3 15.Qxd3 Qf6 16.Red1 Rfd8 17.a3 Bd6 18.Nc4 b5 19.Nxd6 cxd6 20.Rac1 Rdc8 21.Nd2 Nb6 22.Ne4 Qe7 23.Rc2 f5 24.Nd2 d5 25.Rdc1 Nd8 26.Rc5 Nb7 27.Rc6 Nd8 28.R6c5 Nb7 29.Rc6 Nd8 30.R6c5 Qd7 { ...1/2-1/2, Grote Dirk 2195 - Hegeler Frank 2330 , Hamburg 1997 It (open) } ) 11...Qe7 ( 11...Bg6 12.Nh4 e5 13.Nxg6 hxg6 14.Bf3 exd4 15.exd4 Qd7 16.Rc1 Nb4 17.Bxb7 Rab8 18.Qf3 Qf5 19.Ra1 Qf4 20.Rfd1 Qh2+ 21.Kf1 Rxb7 22.Qxb7 Re8 23.g3 Nfd5 24.Nf3 Qh1+ 25.Ng1 Ne3+ 26.fxe3 Qxb7 { 0-1, Djuric Stefan 2485 - Gertler David 2265 , New York 1985 It (open) } ) 12.Nc4 ( 12.e4 Bxf3 13.Bxf3 e5 14.d5 Nb8 15.Nc4 Nbd7 16.a4 a5 17.Rc1 Rfc8 18.Bg4 b6 19.Bxd7 Nxd7 20.Rc3 Nc5 21.Qe2 Qh4 22.Re1 Rf8 23.Rg3 Rae8 24.Rg4 Qd8 25.Bc1 Kh8 26.Qf3 f5 27.exf5 e4 28.Qc3 Qf6 29.Bb2 Qxc3 30.Bxc3 Re7 31.f3 h5 { ...1-0, Cech Pavel 2360 - Husek Zdenek 2270 , Litomysl 1995 It (open) "Lilie" } ) ( 12.Ne5 Bxe2 13.Nxc6 Bxd1 14.Nxe7+ Bxe7 15.Rfxd1 Rac8 16.Rac1 Rfd8 17.Kf1 { 1/2-1/2, Chernin Alexander 2580 - Tal Mikhail, Subotica 1987 Izt } ) ( 12.Rc1 Bg6 13.Nh4 Be4 14.Nxe4 Nxe4 15.Nf3 Ba3 { 1/2-1/2, Sosonko Gennadi 2575 - Hort Vlastimil 2600 , Wijk aan Zee 1982 It (cat.13) } ) 12...Rfd8 13.Rc1 ( 13.a3 b5 14.Ncd2 Bg6 15.Rc1 Na7 16.b4 a5 17.bxa5 Bxa3 18.Bxa3 Qxa3 19.Nb3 Be4 20.Nfd2 Bd5 21.Bf3 Rac8 22.Bxd5 Nxd5 23.Rc5 Nb4 24.Rh5 Rd5 25.Rxd5 Nxd5 26.Qc2 Qe7 27.Nf3 Nb4 28.Qe4 c6 29.Rc1 Nd5 30.Ne5 Qa3 31.Qc2 f6 32.Nd7 Qe7 { ...1-0, Guliev Sarhan 2470 - Badjarani Ilgar 2345 , Baku 1991 It } ) 13...Rac8 ( 13...Bg6 14.Nxd6 Qxd6 15.Nh4 Be4 16.f3 Bg6 17.Nxg6 hxg6 18.f4 Ne7 19.Qe1 Nf5 20.Bf3 c6 21.e4 Nxd4 22.e5 Nxf3+ 23.Rxf3 Qd2 24.Qxd2 Rxd2 25.Bc3 Rxa2 26.exf6 Rd8 27.fxg7 a5 28.Rff1 Ra3 29.Bf6 Rc8 30.f5 exf5 31.Rc4 g5 32.Rxf5 Rxb3 33.Rh4 { ...1-0, Matamoros Franco Carlos S 2325 - Djouadi M S, Gausdal 1986 Ch World (juniors) (under 20) } ) 14.a3 { N } ( 14.Nfd2 Bxe2 15.Qxe2 e5 16.Nxd6 cxd6 17.dxe5 dxe5 18.Nc4 Qe6 19.Rfd1 h6 20.Nb6 Rxd1+ 21.Rxd1 Rd8 22.Rxd8+ Nxd8 23.Nc4 Nc6 { 1/2-1/2, Toth Bela 2389 - Ekstroem Roland 2487 , Switzerland 2000 Ch Switzerland (team) 2000 } ) ( 14.Nxd6 cxd6 15.a3 d5 16.g4 Bg6 17.Nh4 Ne4 18.Nxg6 hxg6 19.Qe1 Na7 20.Rxc8 Rxc8 21.Bd3 Qd6 22.f3 Nf6 23.Kg2 Qb6 24.Qd1 Nb5 25.Rf2 Qa5 26.b4 Qd8 27.Rc2 Nd6 28.Qc1 Rxc2+ 29.Qxc2 Nd7 30.Bc1 Nb6 31.Qc5 Na4 32.Qc2 Qd7 33.e4 Nb6 { ...0-1, Madsen Dag 2325 - El-Kher Henrik 2390 , Copenhagen 1996 It (open) "Politiken Cup" } ) 14...Ne4 { +0.24 CAP } 15.b4 f5 16.d5 { ?! } ( 16.Nxd6 { !? } 16...Rxd6 17.Re1 Bxf3 18.gxf3 { } ) 16...Nb8 { ? } ( { ? } 16...exd5 17.Nxd6 Rxd6 18.Qc2 Bxf3 { } ) 17.Nd4 Bf7 18.dxe6 { ?! } ( 18.Na5 { !? } 18...Be5 19.dxe6 Bxe6 20.Nxb7 { } ) 18...Bxe6 19.Qc2 Kh8 { ?! } ( 19...Re8 { !? } 20.Bd3 b5 21.Nxe6 Qxe6 { } ) 20.Na5 c5 21.Nxe6 Qxe6 22.Nxb7 Bh2+ 23.Kxh2 Rd2 24.Qc4 Qxc4 25.Bxc4 Rxb2 26.Be6 Re8 27.Nxc5 Nxf2 { ?! } ( 27...Nxc5 { !? } 28.Rxc5 g6 29.Bf7 Rd8 { } ) 28.Bxf5 g6 29.Rc2 { } {#r} 1-0