Schaakcomputers

1.e4 c5 2.Nc3 Nc6 3.Bc4 g6 4.Nf3 Bg7 5.Ng5 {to force e6} e6 6.Nf3 Nge7 7.Be2 d5 8.exd5 exd5 9.h3 O-O 10.O-O Bf5 11.a3 {h3 and a3 are played to limit the space of the black pieces} d4 12.Nb1 Re8 13.d3 b5 14.Nbd2 a6 15.Nh4 Be6 16.Nhf3 Qd5 17.Re1 Nf5 18.Ne4 Bd7 19.Ned2 Rac8 20.Ne4 Nd6 21.Ned2 Be6 22.Rf1 Rcd8 23.Re1 Rd7 24.Rf1 Nf5 25.Re1 Rde7 26.Ne4 Bd7 27.Rf1 Bc8 28.Re1 {because of the large difference in elorating white is playing passive} Bb7 29.Bf4 Nd8 30.Bg5 Re6 31.Bf4 R8e7 32.Nfg5 Rc6 33.Nf3 Ne6 34.Bd2 Rcc7 35.Rf1 Rc8 36.Re1 Rce8 37.Nh2 Nd6 38.Bf3 {this is the right moment for white to offer an exchange of pieces} Nxe4 39.Bxe4 Qd6 40.Bxb7 Rxb7 41.Nf3 Rbe7 42.Qc1 f5 43.Qd1 Nf4 44.Rxe7 {further exchange of pieces is good for white} Rxe7 45.Bxf4 Qxf4 46.Qf1 Qd6 47.Re1 Re6 48.Rxe6 Qxe6 49.Qe1 Qxe1+ 50.Nxe1 {this is the position white wanted. Less pieces and the position is closed by the pawns} Kf7 51.g3 {eventually followed with f4 to prevent that the black bishop can penetrate} h6 52.Kf1 Ke6 53.Ke2 Kd6 54.Nf3 g5 55.Nd2 Kd5 56.b3 Be5 57.Kf3 Bf6 58.Ke2 Be7 59.Kf3 Bd6 60.Ke2 Bf8 61.Kf3 Ke5 62.Nf1 Bg7 63.Nd2 Bf6 64.Nf1 Bh8 65.Nd2 Bg7 {½–½}

1.e4 e5 2.Nf3 Nc6 3.Bc4 a6 4.d3 h6 5.O-O d6 6.Bb3 Bg4 7.h3 Bh5 8.Bd5 Qd7 9.Nxe5 {surprise for black!} Bxd1 10.Nxd7 Bxc2 {pawn already back again} 11.Nxf8 Kxf8 {equal game} 12.Re1 Bxd3 13.Bxc6 bxc6 14.Re3 Bxb1 15.Rxb1 {now black got a pawn as a present} Ne7 16.Rc3 f6 17.b3 Kf7 18.Ba3 Rhe8 19.Bb2 Reb8 20.Rc4 Rb5 {because of the great elo difference this a good situation for black. 1 pawn up, a few pieces but many pawns and a helpless bishop for white} 21.f4 Rab8 22.g3 Rb4 {black intents to change the rook(s) because of the +pawn and the stronger knight} 23.Rbc1 Rxc4 24.Rxc4 Rb5 25.Kf2 c5 26.Ra4 Rb4 27.Rxb4 cxb4 {that is what black wanted: rook exchange and a weak bishop} 28.Ke3 c5 29.Kd3 Ke6 30.Kc4 Nc8 31.f5+ Kd7 32.a3? {better Kd3} Nb6+ 33.Kd3 bxa3 34.Bxa3 a5 35.Bb2 Kc6 36.Bc3 Kb5 {the black king is strongly coming up} 37.Kc2 Nd7 38.Bd2 Ne5 39.Kc3 Nf3 40.Be3 Ng5 41.Bxg5 hxg5 42.g4 a4 43.bxa4+ Kxa4 44.Kc4 Ka3? {not fatal but Ka5 must be played} 45.Kc3 Ka4 46.Kc4 Ka5! 47.Kd5 Kb5 48.e5? {the game is lost but at least Kxd6 could be played. e5 is a resign} dxe5 49.Ke4 Kb4 50.Kf3 c4 51.Ke2 Kc3 52.h4 gxh4 53.g5 fxg5 54.Ke3 Kb2 55.Kf3 c3 56.Kg4 c2 57.Kxg5 c1=Q+ {0–1}