28th Japan Open

(1) K,S (1753) - Iwasaki,Y (1947) [B78] 28th Japan Open Tokyo (1.7), 09.10.2004 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 0-0 8.Qd2 Nc6 9.Bc4 Bd7 10.h4 h5 11.0-0-0 Rc8 12.Bb3 Ne5 13.Bh6 a5 14.Bxg7 Kxg7 15.Ba4?! Nc4 16.Qg5?! [ 16.Qe2 ] 16...Rc5 17.Nd5 Nxd5 18.exd5 e5! 19.Nb3 [ 19.Qxd8 Rxd8 20.Nb3 b5 21.Nxc5 dxc5 22.Bb3 Ne3 23.Rd2 ( 23.Rd3 Nxg2 24.Rg1 Nf4-/+ ) 23...c4-/+ ] 19...Rc8 20.Bxd7?! [ 20.Qxd8 Rfxd8 21.Bxd7 Rxd7 ] 20...Qxd7 21.Rhe1 a4 22.Nd2 Qb5 23.Nxc4 Qxc4 24.Qd2 Qxa2 25.Qb4 Rc4?! [ 25...Rc5 26.Qa3 ( 26.Qxb7? Rfc8 27.Re2 R8c7 28.Qb8 Qa1+ 29.Kd2 Rxd5+-+ ) 26...Qc4 27.Qd3 Rfc8 28.Qxc4 Rxc4 29.Rd2 Rxh4-+ ] 26.Qxd6 Rfc8 27.Qxe5+ Kg8 28.Re2 a3 29.d6 Qa1+ [ 29...R8c5! 30.Qe8+ Kg7 31.Kd2 Rd4+ 32.Ke3 ( 32.Ke1 Rxd1+ 33.Kxd1 axb2-+ ) 32...Rxd1-+ ] 30.Kd2 Rxc2+ 31.Ke1 Rxe2+?! 32.Qxe2 axb2 33.d7 Rc1?! 34.Qe8+? [ 34.d8Q+ Kh7 35.Qd5 Rxd1+ 36.Qexd1 b1Q= ] 34...Kg7 35.Qe5+ Kh7 36.d8Q Rxd1+ 37.Qxd1 Qxd1+ 38.Kxd1 b1Q+-+ 39.Ke2 b5 40.g4? [ 40.Qd5 Qc2+ 41.Ke3 ] 40...Qa2+ 41.Kf1 Qc4+ 0-1

(2) Iwasaki,Y (1947) - N,K (1797) [B06] 28th Japan Open Tokyo (2.5), 09.10.2004 1.e4 g6 2.d4 Bg7 3.Nc3 d6 4.Be3 a6 5.Qd2 b5 6.Bd3 Nd7 7.Nce2?! [ 7.f4 ] 7...Bb7 8.Nf3 c5?! [ 8...e5 ] 9.c3 Ngf6 10.Ng3 h5?? 11.e5! dxe5 [ 11...Ng4 12.e6 fxe6 ( 12...Ndf6 13.exf7+ Kxf7+/- ) 13.Bxg6++/- ] 12.dxe5 Bxf3 13.exf6 Bxg2 14.fxg7 Rg8 15.Rg1 Ne5 16.Bxb5+! axb5 17.Qxd8+ Rxd8 18.Rxg2 Rxg7 19.Ke2 Nc4 20.b3 Nxe3 21.fxe3 Rh7 22.Rd1?! [ 22.a4 bxa4 23.bxa4+- ] 22...Ra8 23.Rd2 Ra3 24.Rg1 c4 25.Rgd1 Kf8 26.bxc4 bxc4 27.Ne4 Kg7 28.Rd7 Rxa2+ 29.R1d2 Rxd2+ 30.Nxd2 Kf6 31.Rd8 Kg5 32.Nxc4 Kg4 33.Kf2 f6 34.Nb6 Kh3 35.Kg1 e5 36.Nd7 e4 37.Nxf6 Ra7 38.Nxe4 Ra1+ 39.Kf2 Kxh2 40.Rd2 Kh3 41.Kf3 Rf1+ 42.Rf2 Rc1 43.Ng5+ Kh4 44.Kf4 Rf1 45.Nf3+ Kh3 46.Rh2# 1-0

(3) B,M (2127) - Iwasaki,Y (1947) [B52] 28th Japan Open Tokyo (3.2), 10.10.2004 1.e4 c5 2.Nf3 d6 3.Bb5+ Bd7 4.Bxd7+ Qxd7 5.0-0 Nc6 6.c3 Nf6 7.d3 e6 8.Nbd2 Be7 9.Re1 b5 10.Nf1 0-0 11.Ng3 Rab8 12.d4 b4 13.c4 cxd4 14.Nxd4 Nxd4 15.Qxd4 Rfd8 16.b3 Ne8 17.Bb2 Bf6 18.Qd2 Bxb2 19.Qxb2 Nf6 20.Rad1 Qc6 21.Rd3 Rd7 22.Rf3 Qc5! [ 22...Rbd8 23.Rxf6 gxf6 24.Qxf6 Qc5 25.Qh6 f6 26.e5 d5 27.Nh5 Rf7 28.Nxf6+ Kh8|^ ] 23.h4?! Qe5 24.Qd2 a5 25.Rd3 Rbd8 26.Kh1?! Qc5 27.f3 Nh5?! (=) [ 27...h6 ] 28.Nxh5 Qxh5 29.Qf4 Qc5 30.Red1 Qc6 31.Kh2 h6 32.g4 Kf8 33.g5 hxg5 34.Qxg5 Qc7 35.Kh3 f6 36.Qg4 Re7 37.Qh5 Qc8?? [ 37...Kg8+/= ] 38.Qxa5 Kg8 And then, Black's time has been exhausted. 1-0

(4) Iwasaki,Y (1947) - S,H (1786) [C00] 28th Japan Open Tokyo (4.5), 10.10.2004 1.e4 e6 2.d3 b6 [ 2...d5 3.Nd2 c5 4.Ngf3 Nc6 5.g3 Bd6 6.Bg2 Nge7 7.0-0 0-0 .etc] 3.g3 Bb7 4.Bg2 d6?! [ 4...d5 ] 5.Nf3 Nf6 6.0-0 Be7 7.Nh4 Nbd7 8.f4 e5? 9.Nf5 Bf8 10.fxe5 dxe5 11.Nc3 Nc5?! 12.Bg5 h6 13.Bxf6 Qxf6 14.Ne3 Qe6 15.Qh5! g6 16.Qf3 Bg7?! 17.Ncd5 Rc8 18.Bh3!!+- f5 [ 18...Qxh3 19.Qxf7+ Kd8 20.Qe7# ] 19.exf5 gxf5 20.Bxf5 Qf7 21.b4 e4 22.Qg4 0-0 23.bxc5 Kh8 24.Bxc8 1-0

(5) Iwasaki,Y (1947) - M,S (2037) [B26] 28th Japan Open Tokyo (5.3), 10.10.2004 1.e4 e6 2.d3 c5 3.Nc3 Nc6 Transposes from French to Closed Sicilian. 4.g3 g6 5.Bg2 Bg7 6.Be3 d6 7.Qd2 Rb8 8.Nge2 b5?! [ 8...Nd4 ] 9.d4 b4 10.Nd1 cxd4 11.Nxd4 Ne5 12.Qe2 Ne7 13.f4 Nd7 14.0-0 Nc5 15.f5? I overlooked 15...Ba6. [ 15.Qd2 ] 15...Ba6 (=) 16.Qf2 Bxf1 17.Qxf1 Be5 18.Nf3 Nc6 19.Qc4 Qa5 [ 19...Qe7 ] 20.fxe6 Rb7? [ 20...fxe6 21.Bh3 Kd7+/- ] 21.Qd5!+/- Qc7? [ 21...Qb6 22.exf7+ Rxf7 23.a3 bxa3 24.Rxa3 0-0 25.c3 Bf6 26.e5 Nxe5 27.Nxe5 Bxe5 28.b4 ] 22.exf7+ Kf8 23.Nxe5 Nxe5 24.Bh6+ Ke7 25.Bg5+ Kf8 26.Bh6+ Ke7 27.f8Q+ Rxf8 28.Bxf8+ Kxf8 29.Ne3 Qc6?? 30.Qxc6 Nxc6 31.e5! Rb6 32.Nc4 Nxe5 33.Nxb6 axb6 34.h3 Ke7 35.Kf2 g5 36.b3 Ke6 37.Ke3 Ned7 38.Kd4 Nf6 39.Kc4 Nh5 40.Re1+ Kd7 41.Re3 Ne6 42.Bf3 Nf6 43.Bg4 d5+ 44.Kxb4 Nxg4 45.hxg4 Nd4 46.Kc3 Nc6 47.Kd2 Kd6 48.c3 b5 49.Re8 Kc7 50.Rh8 Ne5 51.Rxh7+ Kc6 52.Rg7 Kd6 53.Kc2 Nxg4 54.Rg6+! Kc7 55.Rxg5 1-0

(6) K,S (2024) - Iwasaki,Y (1947) [B78] 28th Japan Open Tokyo (6.2), 11.10.2004 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 0-0 8.Qd2 Nc6 9.Bc4 Bd7 10.h4 Ne5 11.Bb3 a5?! 12.a4 Rc8 13.0-0-0 Nc4 14.Bxc4 Rxc4 15.b3! Rc8 16.h5 Nxh5 17.g4 Nf6 18.Bh6 Bxh6 19.Qxh6!! Rxc3 20.g5 Re8 [ 20...Nh5? 21.Rxh5! gxh5 22.Rh1+- And Black cannot defend against mate threat without losing material.] 21.gxf6 exf6 22.Rdg1 g5?? (=) [ 22...Qc7+/- ] 23.Qxh7+? [ 23.Rxg5+!! fxg5 24.Qxh7+ Kf8 25.Qh6+! Ke7 ( 25...Kg8 26.Qh8# ) 26.Qxg5+ f6 ( 26...Kf8 27.Rh8# ) 27.Qg7# ] 23...Kf8 24.Rh6 Ke7 25.Qg7 Be6 26.Rxf6! Kd7 27.Nxe6 Rxe6 28.Rxf7+ 1-0

(7) Iwasaki,Y (1947) - O,S (1754) [C45] 28th Japan Open Tokyo (7.6), 11.10.2004 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Bc5 5.Nxc6 Qh4 6.Qf3? [ 6.Nd4+- ] 6...dxc6 7.Nc3 Bg4 8.Qg3 Qxg3 9.hxg3 Bb4?! 10.Bc4 Bxc3+ 11.bxc3 Nf6 12.f3 b5?! 13.Bd3 Be6 14.a4 bxa4 15.Rxa4 a5 16.Be3 Nd7 17.Kf2 Nb6 18.Ra3 Nc4 19.Bxc4 Bxc4 20.Rha1 0-0?! [ 20...Kd7 ] 21.Rxa5 Rxa5 22.Rxa5 h6 23.Rc5 Bb5 24.c4 Ba4 25.Ra5 Bxc2 26.Ra6 Rb8 27.Rxc6 Rb1 28.Rxc7 h5 29.Rd7 Ba4 30.Rd5 g6 31.Bd4 [ 31.Rd8+! Kh7 32.Bd4 g5 ( 32...Kh6 33.f4 f6 34.Bxf6+- ) 33.f4 gxf4 34.gxf4 Rd1 35.Rh8+ Kg6 36.f5+ Kg5 37.Be5 h4 38.Rg8+ Kh5 39.Bf6 Rh1 40.g4+ hxg3+ 41.Kg2 Ra1 42.Rh8+ Kg4 43.Rh4# ] 31...Kf8 32.Bf6 Rd1 33.Ra5 Be8 34.Ra8 Rd2+ 35.Kg1 Rd1+ 36.Kh2 Rc1 37.Rc8 Rc2 38.c5 Rc4 39.Kh3 Rc2 40.e5 Rc4 41.f4 Rc2 42.Rc7 Ra2 43.Be7+ Kg7 44.Bf6+?! [ 44.c6 Ra8 45.Bf6+ Kf8 46.Kh4 Rb8 47.Kg5 Ra8 48.Kh6 Rb8 49.e6 fxe6 50.Bg7+ Kg8 51.Be5 Bxc6 ( 51...Ra8 52.Rg7+ Kh8 ( 52...Kf8 53.Bd6# ) 53.Rxg6# ) 52.Rxc6 ] 44...Kf8 45.Rc8 Ra1 46.Kh2 Ra6 47.Rc7 Rc6 48.Ra7 Rc8 49.Be7+ Kg8 50.Bd6 Bc6 51.Kh3 Bd5 52.Kh4 Bxg2 53.Kg5 [ 53.e6! fxe6 ( 53...Bd5 54.exf7+ Bxf7 55.Kg5 Re8 56.c6 Rc8 57.Kh6 Rxc6 58.Ra8+ Be8 59.Rxe8+ Kf7 60.Rf8+ Ke6 61.Kxg6 Kxd6 62.Rf6++- ) 54.Kg5 Be4 55.Kh6+- ] 53...Bh3 54.Kf6 Be6 55.Rb7 Bd5 56.Rb2 Kh7?? 57.Rb8 Rc6 [ 57...Rxb8 58.Bxb8 Kg8 59.Ke7 Kg7 60.Bd6 Bc6 61.Kd8 Kh6 ( 61...g5 62.f5 Be4 63.e6 fxe6 64.fxe6 ) 62.Be7 Bd5 63.Kc7 Kg7 64.c6 Be4 65.Kd7 Bf5+ 66.Kd8+- ] 58.Rf8 Ra6 59.Rxf7+! Bxf7 60.Kxf7 1-0

(8) P,V (2085) - Iwasaki,Y (1947) [B22] 28th Japan Open Tokyo (8.3), 11.10.2004 1.e4 c5 2.c3 Nf6 3.e5 Nd5 4.d4 cxd4 5.cxd4 d6 6.Nf3 Nc6 7.exd6 Qxd6 8.Nc3 Bg4 9.Bc4 e6 10.0-0 Be7 11.Nxd5 exd5 12.Be2 0-0 13.Be3 Rfe8 14.Qd2 Bf6 15.h3 Bh5 16.Rac1 Rac8?! [ 16...Re4 17.Rfe1 Rae8=/+ ] 17.Rfe1 Qb4 18.Qxb4 Nxb4 19.Rxc8 Rxc8 20.a3 Nc6?! [ 20...Nc2! 21.Rc1 Rc6 22.Bb5 Nxd4 23.Bxc6 Ne2+ 24.Kf1 Nxc1 25.Bxd5 Bxb2 26.Bxb7 Bxa3= ] 21.Rc1 Rd8?! [ 21...Bxf3 22.Bxf3 Rd8 23.Rd1 Kf8 24.b4+/= ] 22.g4 Bg6 23.g5 Be7 24.Bb5+/- Bh5 25.Bxc6 Bxf3 26.Bxb7 Bd6 27.Rc8 Rxc8 28.Bxc8 Kf8 29.Kf1 Ke8 30.Ke1 Kd8 31.Ba6 Kc7 32.Bd3 g6 33.Kd2 Kb6 34.Bc2 a5 (=) 35.Ba4 Bg2 36.Be8 Bxh3 37.Bxf7 Bg2 38.Bg8 Be4 39.Bxh7 Kb5 40.Bg8 Kc4 41.Be6 Kb3 42.Kc1 Kc4 43.Bc8 Kb3 44.Bg4 Kc4 45.Be2+ Bd3 46.Bd1 [ 46.Bxd3+ Kxd3 47.Kd1? ( 47.a4+- ) 47...a4= ] 46...Bf5 47.Ba4 Bc7?? [ 47...Kd3 48.Bb5+ Ke4 49.Kd2 Kf3 50.Be2+ Kg2 51.Kc3 Be4 52.b4 axb4+ 53.axb4+- ] 48.Kd2! And Black cannot avoid checkmate. 1-0