Schaakcomputers

1.d4 d5 2.Nc3 Nf6 3.h3 e6 4.Bf4 Bb4 5.Qd3 Bxc3+ 6.Qxc3 Ne4 7.Qd3? {Qxc7} O-O 8.Bg3 Nxg3 9.fxg3 e5 10.e3 e4 11.Qd2 Qg5 12.Qf2 Qf5 13.Qxf5 Bxf5 14.g4 Bg6 15.h4 h5 16.Be2 hxg4 17.Bxg4 f5 18.Be2 a5 19.Nh3 a4 20.Nf4 Bf7 21.O-O-O Nc6 22.g4 Ne7 23.g5 a3 24.b3 g6 25.h5 gxh5 26.Bxh5 Ra6 27.Rdg1 Kg7 {great advantage for white now} 28.Rg2 Rh8 29.Rgh2 Bg8 30.Rh3 Rd6 31.Rg1 Nc6 32.g6 Nb4 33.Kb1 Rc6 34.Rg2 Rc3 {equal game again} 35.Rhg3 b6 36.Re2 c5 37.dxc5 bxc5 38.Rg5 Kf6 39.Rg3 Kg7 40.Rd2? {permits d4, better: Rg5} d4 41.Ne2? {makes it even worse, Rg1 better} Rxc2 42.Rxc2 Nxc2 43.Kxc2? {exd4} d3+ 44.Kd2 Rxh5 45.Nf4 Rh2+ 46.Rg2 Rxg2+ 47.Nxg2 Bxb3 48.Nf4 Bxa2 {0–1}

1.d4 f5 2.Bf4 e6 3.e3 Nc6 4.Bc4 d5 5.Bb3 Nf6 6.Nf3 Bd6 7.Bxd6 Qxd6 8.Nc3 O-O 9.O-O Ne4 10.Nxe4 fxe4 11.Nd2 a5? {what is the meaning of this move?} 12.c4 Bd7?? 13.cxd5 exd5 14.Nxe4 Qe6 15.Nc5 Qf7 16.e4 Nb4 17.a3 Bb5? {a4} 18.axb4 Bxf1 19.Bxd5 Qxd5 20.exd5 Bb5 21.Rxa5 Rxa5 22.bxa5 Rb8 23.Qb3 Be8 24.d6+ Bf7 25.dxc7 {1–0}

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5 6.Bb5+ Bd7 7.Bxd7+ Nbxd7 8.Ndb5 Nc5 9.Bg5 a6 10.Na3 Be7 11.Bxf6 Bxf6 12.Nc4 Be7 13.O-O O-O 14.b4 Ne6 15.Nd5 Nd4? {Rc8} 16.c3 Nb5 17.a4 Rc8? {Nc7} 18.Qd3? {axb5} Nc7 19.Nxe7+ Qxe7 20.Qxd6 Qe6 21.Qd3? {Qxe6} Rfd8 22.Qe2 Ne8 23.Na5 Rxc3? {b6} 24.Nxb7 Rd4 25.Nc5 Qc4?? {Qc8 is oké, now the a-pawn is lost and the white pawns are dangerous} 26.Qxc4 Rcxc4 27.Nxa6 Rxe4 28.Nc5? {a5 or b5} Red4 29.Rfe1 f6 30.Ne6? {Na6! Now the game is equal again} Rd6 31.Nc5 Rxb4 32.Re3 Rd2 33.Rd3 Ra2 34.Re1? {Rdd1} Rbb2 35.Rd8 Kf8 36.Rf1 Rc2 37.Rd5 h6 38.Ne6+? {a5} Ke7 39.Nc5 Kf8 40.Nd7+ Ke7 41.Nb6 g6 42.Rd7+ Ke6 43.Rh7 h5 44.h4 Nd6 45.Ra7 Ne4 46.Rg7 {Ra7} Kf5? {Ng3} 47.Rd7?? {Nd5} Nxf2 48.Nd5 Ke6 49.Rd8? {Nb4} Ng4 50.Nb4 Rxg2+ 51.Kh1 Rh2+ 52.Kg1 Rag2# {0–1}

1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Nc6 7.Nbd2 Bg4 8.Bxe4? {Nxe4 with advantage for white} dxe4 9.Nxe4 Bxf3 10.Qxf3 Nxd4 11.Qd1 Qd5 12.f3 O-O-O 13.c3 f5 14.Qxd4 Qxd4 15.cxd4 fxe4 16.Be3 exf3 17.gxf3 {the white pawns are splitted} Bb4+ 18.Ke2 Kd7 19.Rhg1 g6 20.Rg5 Bd6 21.h4 Rdf8 22.Re1 {strange move} Bb4 23.Reg1 a6 24.a3 Be7 25.R5g4 b5 26.Re4 c6 27.Bg5 Bf6 28.Ke3 h5 29.b3 a5 30.Bxf6 Rxf6 31.a4 Rhf8 32.f4 b4? {bxa4} 33.Rg5 Ra8 34.Ree5 Kd6? {Raf8} 35.Rxa5 Rxa5 36.Rxa5 Re6+ {in this stadium it is a winning game for white. But keep watching} 37.Re5 Rf6 38.a5 Rf8 39.Kf3 Rh8 40.Rg5 Rg8 41.f5 Rf8 42.Rxg6+ Kd5 {can you believe that white is not going to win this game?} 43.Rg5?? {Ke3} Kxd4 44.Rxh5 Kc3 {the black king is coming!} 45.Rg5 Kxb3 46.h5 Ka4 47.h6 {more or less equal game} Rf7? {b3} 48.Rh5? {Rg7} Rh7? {b3} 49.f6?? {equal game again. a6 is winning} b3 50.a6 b2 51.Rh4+?? {a7 keeps a draw, now black can win} Kb5? {Kb3} 52.Rh1 Rxh6?? {Rb1} 53.Rxh6 b1=Q 54.a7 Qd3+ 55.Kg4 Qe4+ 56.Kh5 Qe2+? {Qe5} 57.Kg6 Qg4+ 58.Kf7 Qd7+ 59.Kg6 Qd3+ 60.Kg7 Qd7+? {Qa4} 61.Kg6 Qg4+ 62.Kf7 Qd7+? 63.Kg6{½–½ repetition}

1.c4 e5 2.Nc3 Nc6 3.d3 Bb4 4.e4 Nf6 5.Nf3 d6 6.Be3 Bg4 7.Be2 Qd7 8.O-O O-O-O 9.a3 Ba5 10.b4 Bb6 11.Bxb6 cxb6 12.b5 Ne7 13.Qa4 Kb8 14.Rfd1 Bxf3 15.Bxf3 Qc7 16.Qb4 Qc5 17.Qxc5 bxc5 18.a4 h5 19.a5 g5 20.b6 a6 21.Rdb1 g4 22.Bd1 h4 23.Ba4 Nh5 24.Nd1 Rdg8 25.Ne3 Nf4 26.Ra2 g3 {so far so good, game is equal} 27.Rb3? {fxg3 best} gxh2+ 28.Kxh2 Rg6? {better Kc8 because of the entrance of the white bishop} 29.Bd7 Rhg8 30.f3 Rg5 31.Rab2 Rd8 32.Bg4 Ng8 33.Bf5 Nh6 34.Bh7 Rh8 35.Bf5 Nxf5 36.Nxf5 Rg6 37.Rc3 h3 38.g3 Ng2 39.Rc1 Rh5{Good defense from white. No way for black to penetrate, ½–½, arbitrated}

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 d5 5.Nbd2 Ba6 6.e3 Bd6 7.Bd3 O-O 8.O-O Nc6 9.Qa4 Bb7 10.Ng5 Nb4 11.Bb1 h6 12.a3 Nc6 13.Ngf3 Re8 14.cxd5 Nxd5? {exd5} 15.Bd3? {e4} a5 16.e4 b5 17.Qxb5 Nb6 18.e5 {better: Qh5} Be7 19.Be4 Nxd4 20.Nxd4 Bxe4 21.Nxe6? {Nxe4} Bd3 22.Qc6? {Qxb6} fxe6 23.Qxe6+ Kh7 {and a bishop for a pawn} 24.Re1 Bd6 25.Qf7 Rxe5 26.Rxe5 Bxe5 {easy game for black, you should say} 27.Qe6 Qd5 28.Qxd5 Nxd5 29.Nf3 Bf6 30.Kg2 Rb8 31.Ne1 Be4+ 32.f3 Bf5 33.Ra2 {the engine says + 9 for black} a4 34.g4 Bg6 35.Kf1 Be5 36.h3 c5 37.h4 Rb6 38.Ke2 Bd4 39.Kd1 h5 40.Ng2 hxg4 41.fxg4 Bb1 42.Ra1 Be4 43.Nf4 Ne3+? {much better Nxf4} 44.Ke2 Nxg4 45.Ra2 Ne5 46.Be3 Bb1 47.Bxd4 cxd4 48.Ra1 Rxb2+ 49.Kd1 {+ 17 for black says the engine} Kh6 50.Kc1 Rf2 51.Rxb1 Rxf4 52.Rb6+ Kh5 53.Rb5 Rf5 54.Rb7 Rf1+ 55.Kc2 Rg1 56.Rb5 d3+ 57.Kd2 Rg2+ 58.Ke3 d2?? {Re2+} 59.Rxe5+ Kxh4 60.Re4+? {Rd5} Kg5? {Kh3} 61.Rd4 Rg3+ 62.Kxd2 Rxa3 {bad play from black} 63.Rc4 Kf5 64.Rc5+ Ke6 65.Rg5 Kf6 66.Ra5 g6 67.Ra7 Ke5 68.Re7+ {from now on too much ?? for white and black to notice} Kd6 69.Ra7 Kd5 70.Ra6 Ra2+ 71.Ke3 g5 72.Ra5+ Ke6 73.Rxg5 Kd6 74.Rg6+ {unbelievable! Equal game again!} Kc7 75.Rg7+ Kc6 76.Rg6+ Kc5 77.Rg5+ Kc4 78.Rg4+ Kc3 79.Rg8 Kb4 80.Rb8+ Kc3 81.Rg8 Kb3 82.Rb8+ Ka3 83.Ke4 Rb2 84.Rd8 Rh2 85.Rd3? {last chance Kd3} Kb2 86.Rd8 a3 87.Rb8+ Kc1 88.Rc8+ Rc2 89.Rf8 a2 90.Rf1+ Kb2 91.Kd3 Rc1 92.Rf2+ Kb3 93.Rxa2 Kxa2 94.Ke4 {after all the miserable moves, black shows surprisely how to checkmate with K+R} Kb3 95.Kd4 Rd1+ 96.Ke3 Kc4 97.Ke4 Re1+ 98.Kf3 Kd4 99.Kf4 Rf1+ 100.Kg3 Ke4 101.Kg4 Rf5 102.Kh3 Kf3 103.Kh2 Rg5 104.Kh1 Kf2 105.Kh2 Rh5#{0–1}