[Event "Bundesliga 2006/07"] [Site "masterchessopen.com Germany"] [Date "2007.03.18"] [Round "13"] [White "Polzin Rainer (GER)"] [Black "Shirov Alexei (ESP)"] [Result "0-1"] [WhiteElo "2504"] [BlackElo "2739"] [ECO "C70"] [Opening "Spanish: 4.Ba4"] { Polzin Rainer (GER) +2 =1 -1 Shirov Alexei (ESP) +0 =1 -0 } 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Bxc6 dxc6 7.d3 ( 7.Qe1 Nd7 8.b3 O-O 9.Bb2 Re8 10.Nxe5 Bf6 11.f4 Nxe5 12.fxe5 Bxe5 13.Bxe5 Rxe5 14.Qf2 Be6 15.d3 f5 16.Nd2 fxe4 17.Nxe4 Rf5 18.Qe3 Qe7 19.Ng3 Rxf1+ 20.Rxf1 Re8 21.Rf4 Bd5 22.Qxe7 Rxe7 23.c4 Bf7 24.Rd4 Bg6 25.Rd8+ Kf7 26.Kf2 c5 { ...0-1, Polzin Rainer 2470 - Baramidze David 2561 , Germany 3. 2.2007 Bundesliga 2006/07 } ) 7...Nd7 8.Nbd2 O-O 9.Nc4 Bf6 { ?/= } 10.b4 Qe7 { +0.15 CAP } ( 10...Re8 11.Bb2 g6 12.Bc3 Bg7 13.Re1 Qe7 14.Qb1 f6 15.Qb2 Nf8 16.d4 exd4 17.Nxd4 Bd7 18.Na5 Rab8 19.Rad1 Qf7 20.a3 Ne6 21.Nxe6 Rxe6 22.Nb3 b6 23.Qc1 Rbe8 24.Qf4 R6e7 25.Rd3 Bc8 26.Ree3 Bb7 27.h3 c5 28.bxc5 Bxe4 29.Rd2 g5 30.Qg3 { ...0-1, Trepp Markus 2410 - Lin Ta 2240 , Lucerne 1985 Ch World (team) } ) 11.Qd2 { N } ( 11.a4 Re8 12.Ba3 b5 ( 12...Qe6 13.Bb2 b5 14.Ne3 Nb6 15.axb5 cxb5 16.Ra3 Be7 17.Nxe5 Bxb4 18.Rb3 Bf8 19.Nf5 Nd7 20.Ng4 h5 21.Nge3 Nc5 22.Nd5 Qg6 23.Nxc7 Nxb3 24.Nxe8 Bxf5 25.exf5 Qxf5 26.Nxg7 Bxg7 27.Bxg7 Kxg7 28.cxb3 Rd8 29.d4 Rd6 30.Re1 Qd5 { ...1/2-1/2, Tukmakov Vladimir B 2560 - Nikolaevsky Yuri V 2315 , Riga 1968 Ch URS (team) } ) 13.Na5 Qd6 14.c4 Nf8 15.c5 Qe6 16.Re1 Rd8 17.Qc2 Ng6 18.Bc1 Nh4 19.Nxh4 Bxh4 20.Bb2 Re8 21.Re2 Qg6 22.f3 Re6 23.Bc3 Qh5 24.Qb2 Bg5 25.Rf1 Bf4 26.g4 Qh3 27.Bd2 Rg6 28.Bxf4 exf4 29.Rg2 h5 30.Qe5 hxg4 { ...0-1, Botvinnik Mikhail M 2630 - Stein Leonid Z 2620 , Moscow 1962 Olympiad URS } ) 11...Nb6 12.Na5 Na4 13.a3 c5 14.c3 b6 15.Nc4 Bg4 16.Ne1 b5 17.Ne3 Be6 18.Qc2 Rfd8 19.Rb1 Rd7 20.c4 c6 21.Bd2 Rad8 22.bxc5 Qxc5 23.Ba5 Rc8 24.Bb4 Qd4 25.Rb3 Qa7 26.Rb1 a5 27.Bd2 Qa6 28.Nf5 g6 29.Nh6+ Kg7 30.h3 Nc5 31.Be3 Be7 32.Qc3 f6 33.f4 b4 { ?! } ( 33...exf4 { !? } 34.Rxf4 bxc4 35.Ng4 Bxg4 36.hxg4 Nxd3 37.Rf1 Ne5 38.g5 c5 39.Bf4 Qe6 { } ) 34.Qc2 { ?! } ( 34.axb4 { !? } 34...axb4 35.Rxb4 exf4 36.Rxf4 Qa5 37.Bd2 Na6 38.Rb3 Qxc3 { } ) 34...Nxd3 35.Nxd3 Qxc4 36.Qf2 Rxd3 37.fxe5 Rf8 38.Kh1 Qxe4 39.Rbe1 fxe5 { } {#R} 0-1