Author: Jorge Pichard
Date: 02:06:35 12/05/02
Go up one level in this thread
On December 05, 2002 at 03:58:01, Tony Hedlund wrote:
>Take a look at game 21. Shredder had a winning endgame, both programs showed
>mate in 9. But suddenly the game ended in a repetition draw! A bug in Shredder?
>
Possibly a beta tester of Shredder 7 can verify this for us.
>[Event "SSDF"]
>[Site "Tony Hedlund"]
>[Date "2002.12.05"]
>[Round "21"]
>[White "Chess Tiger 15.0 A1200"]
>[Black "Shredder 6 Paderborn Classic A1200"]
>[Result "1/2-1/2"]
>[BlackElo "2736"]
>[Opening "E91 King's Indian: 6.Be2"]
>
>{Engine book(s): ct.tbk }
>1. d4 { Score: 0,00 depth: 1 d4 } 1... Nf6 2. c4 { Score: 0,00 depth: 1 c4
>} 2... g6 3. Nc3 { Score: 0,00 depth: 1 Nc3 } 3... Bg7 4. e4 { Score: 0,00
>depth: 1 e4 } 4... d6 5. Nf3 { Score: 0,00 depth: 1 Nf3 } 5... O-O 6. Be2 {
>Score: 0,00 depth: 1 Be2 } 6... c5 7. O-O { Score: 0,00 depth: 1 O-O }
>7... cxd4 8. Nxd4 { Score: 0,40 depth: 15 Nxd4 Nc6 Be3 Nxd4 Bxd4 b6 Qd2 Bb7
>f3 Qc7 b3 Nd7 Bxg7 Kxg7 Nd5 Qc5+ Rf2 } 8... Nc6 9. Be3 { Score: 0,08 depth:
>14 Be3 Qb6 Qd3 Ng4 Bxg4 Bxg4 Nd5 Qd8 f3 Ne5 Qc3 Be6 Nxe6 } 9... Bd7 10. Rc1 {
>Score: 0,00 depth: 1 Rc1 } 10... Nxd4 11. Bxd4 { Score: 0,00 depth: 1 Bxd4
>} 11... Bc6 12. f3 { Score: 0,00 depth: 1 f3 } 12... Bh6 13. Rb1 { Score: 0,22
> depth: 15 Rb1 Nh5 g3 Ng7 Nd5 e5 Bc3 Rc8 b3 f5 Rb2 Rf7 f4 exf4 exf5 } 13... Nh5
>14. g3 { Score: 0,20 depth: 15 g3 Ng7 Nd5 e5 Bc3 f5 b3 Rc8 c5 dxc5 Bxe5
>Bxd5 exd5 Be3+ Kg2 b6 } 14... Ng7 15. Nd5 { Score: 0,16 depth: 16 Nd5 f5 b3
>e5 Bb2 Rc8 Kh1 b6 Bd3 Bxd5 exd5 Be3 Qc2 f4 Qg2 Nf5 g4 } 15... f5 16. b3 {
>Score: 0,20 depth: 15 b3 e5 Bb2 Rc8 Kg2 Rf7 Qd3 Ne6 exf5 Rxf5 Nb4 Bg7 Nxc6
>bxc6 Qe3 } 16... e6 17. Nb4 { Score: 0,40 depth: 16 Nb4 e5 Bf2 Ne6 Qd3 fxe4
>fxe4 Rxf2 Rxf2 Nc5 Nxc6 Nxd3 Nxd8 Nxf2 Nxb7 Nxe4 } 17... Be8 18. Bc3 { Score:
>0,48 depth: 13 Bc3 Be3+ Kg2 Qb6 Nc2 fxe4 Qe1 Bg5 fxe4 Rxf1 Qxf1 Bc6 Bf3 }
>18... Qb6+ 19. Kh1 { Score: 0,44 depth: 13 Kh1 Bg5 Kg2 a5 Nc2 e5 Qd3 Bf7
>Rbd1 Rfd8 Bb2 f4 Qc3 } 19... fxe4 20. fxe4 { Score: 0,48 depth: 15 fxe4 Rxf1+
>Qxf1 Bd7 Rd1 Rf8 Bf3 Ne8 Qe2 Bg7 Bxg7 Nxg7 Nd3 Bc6 Nf4 e5 } 20... Rxf1+ 21. Bxf1
>{ Score: 0,54 depth: 15 Bxf1 a5 Nc2 e5 Bg2 Ne6 Qf3 Bc6 Qf6 Ng5 Bd2 Rf8 Qxd6
>Qf2 Rf1 } 21... Bd7 22. Bg2 { Score: 0,66 depth: 15 Bg2 a5 Nc2 Rf8 Qd4 Qxd4
>Nxd4 Rf2 Rb2 Rxb2 Bxb2 e5 Nb5 Bxb5 cxb5 } 22... Rf8 23. e5 { Score: 0,64
>depth: 15 e5 a5 Nd3 Bc6 exd6 Bxg2+ Kxg2 Nf5 Qe2 Qxd6 Qe4 Qb6 c5 Qa6 Re1 Bg7
>Bxg7 } 23... a5 24. Nd3 { Score: 0,66 depth: 16 Nd3 Bc6 exd6 Bxg2+ Kxg2 Nf5
>Qe2 Qxd6 Qe4 Qb6 Ne5 Qe3 Qxe3 Nxe3+ Kg1 Bg7 Re1 } 24... Bc6 25. exd6 { Score:
>0,60 depth: 16 exd6 Bxg2+ Kxg2 Nf5 Qe2 Qxd6 Kh1 b5 Qe4 bxc4 bxc4 Rd8 Ne1
>Rf8 Nc2 Bg7 Bxa5 } 25... Bxg2+ 26. Kxg2 { Score: 0,54 depth: 17 Kxg2 Nf5 Qe2
>Qxd6 Qe4 Rd8 Nf2 Qc6 Kg1 Be3 Qxc6 bxc6 Re1 a4 g4 } 26... Qc6+ 27. Kh3 { Score:
>0,84 depth: 15 Kh3 Qxd6 Ne5 Ne8 Qxd6 Nxd6 Bxa5 Bg7 Nd7 Rf2 a3 e5 Rd1 Nf5
>Nc5 } 27... Qxd6 28. Ne5 { Score: 0,74 depth: 14 Ne5 Qe7 Ng4 Bg5 Qd4 a4 Rd1
>axb3 axb3 Qc7 Re1 Rf7 Kg2 Qc6+ Re4 } 28... Qe7 29. Ng4 { Score: 1,00 depth:
>14 Ng4 Nf5 Nxh6+ Nxh6 Qd4 e5 Qxe5 Qxe5 Bxe5 Rf5 Bd4 Rf3 Re1 Nf5 } 29... Bg5
>30. Qd4 { Score: 1,08 depth: 14 Qd4 h5 Ne5 Qf6 Qe4 h4 Qxg6 hxg3 hxg3 Qxg6
>Nxg6 Rf2 Rb2 } 30... Qc7 31. Re1 { Score: 1,12 depth: 14 Re1 a4 Qxg7+ Qxg7
>Bxg7 Kxg7 Rxe6 Rf7 bxa4 Rc7 Ne5 Re7 } 31... h5 32. Ne5 { Score: 1,10 depth:
>15 Ne5 Bf6 Qd3 g5 Kg2 Nf5 Qf3 Bxe5 Bxe5 Qf7 Kg1 Rd8 Qe2 Qg6 Bc3 Rd6 Bxa5 }
>32... Bf6 33. Qd3 { Score: 1,10 depth: 14 Qd3 g5 Kg2 Nf5 Re4 Bxe5 Rxe5 Qc6+
>Kg1 Qb6+ c5 Qd8 Qxd8 Rxd8 Rxe6 } 33... g5 34. Kg2 { Score: 1,10 depth: 14 Kg2
>Nf5 Re4 Bg7 Re2 h4 Qe4 hxg3 hxg3 b5 Rf2 Rc8 g4 } 34... Nf5 35. Kh1 { Score:
>0,91 depth: 13 Kh1 b5 cxb5 Qb7+ Kg1 Qb6+ Kg2 Qb7+ Qf3 Qxb5 h3 a4 } 35... g4
>36. Qe4 { Score: 0,85 depth: 15 Qe4 Rd8 Nc6 Rd6 Bxf6 Qxc6 Qxc6 Rxc6 Kg1 a4
>Rd1 Kf7 Be5 Rc5 Rd7+ } 36... Bh8 37. Ba1 { Score: 1,20 depth: 14 Ba1 Kh7 Nd3
>Bxa1 Rxa1 Qc6 Qxc6 bxc6 Ne5 c5 Nd7 Rc8 Re1 a4 Nf6+ } 37... Re8 38. Qf4 { Score:
>1,15 depth: 14 Qf4 Bf6 Kg2 b6 Bc3 Rf8 Re2 b5 } 38... Bf6 39. Kg2 { Score:
>0,94 depth: 14 Kg2 b6 Bc3 b5 Qe4 bxc4 bxc4 Rc8 Rd1 Bxe5 Bxe5 Qc5 Rd7 Ne3+ }
>39... Bg7 40. Bb2 { Score: 0,66 depth: 14 Bb2 Rf8 Qe4 Qd6 Bc3 Qa3 Re2 h4 Be1
>hxg3 Bxg3 Qc1 } 40... Bh6 41. Qe4 { Score: 0,64 depth: 16 Qe4 Rd8 Nd3 Qc6
>Qxc6 bxc6 Nf2 a4 bxa4 Rb8 Nd1 Ne3+ Rxe3 } 41... Rd8 42. Nd3 { Score: 0,54
>depth: 15 Nd3 Qc6 Nf2 Rd2 Qxc6 bxc6 Bc1 Rxa2 Bxh6 Nxh6 Rxe6 Nf5 Re5 Nd4 Rxh5
>Nxb3 Rg5+ } 42... Qc6 43. Nf2 { Score: 0,40 depth: 17 Nf2 a4 Qxc6 bxc6 Rxe6
>Rd2 Bc1 Rxf2+ Kxf2 Bxc1 Rxc6 axb3 axb3 Ba3 c5 Nd4 Rg6+ Kh7 c6 } 43... Kf7
>44. Kg1 { Score: 0,48 depth: 16 Kg1 a4 bxa4 Qxe4 Nxe4 Ra8 c5 Rxa4 Nd6+ Nxd6
>cxd6 Rxa2 d7 Ke7 Rd1 } 44... Qxe4 45. Nxe4 { Score: -0,15 depth: 16 Nxe4 Rd3
>Kh1 b6 Rf1 Rf3 Re1 Rd3 Rf1 Rf3 Re1 Rd3 Rf1 Rf3 Re1 Rd3 } 45... a4 46. bxa4 {
>Score: 0,20 depth: 16 bxa4 Ra8 c5 Be3+ Kh1 Rxa4 Nd6+ Nxd6 cxd6 Rxa2 d7 Bg5
>Bc1 Be7 Bf4 Bd8 Rf1 Kg6 Rd1 Kf6 } 46... Ra8 47. c5 { Score: 0,02 depth: 16 c5
>Be3+ Kh1 Kg8 Nd6 Bxc5 Nxb7 Be3 a5 Ra7 Nd8 Rxa5 a3 Rb5 Re2 e5 } 47... Rxa4
>48. Nd6+ { Score: -0,15 depth: 16 Nd6+ Nxd6 cxd6 Ra5 Rb1 Ke8 Bc3 Be3+ Kf1
>Ra3 Be5 Ra5 Bc3 Ra3 Be5 Ra5 Bc3 Ra3 Be5 } 48... Nxd6 49. cxd6 { Score: -0,38
>depth: 15 cxd6 Rxa2 d7 Ke7 Rxe6+ Kxd7 Rxh6 Rxb2 Rxh5 Ke6 Rg5 Rb4 Kf2 b5 Rg6+
>Kf5 Rb6 Rb2+ } 49... Rxa2 50. d7 { Score: -1,02 depth: 17 d7 Bg5 Bc1 Bd8 Rf1+
>Kg7 Bf4 Ra5 Rb1 Rd5 Rxb7 Kf7 Kf2 Ke7 Ke3 Rxd7 } 50... Bg5 51. Bc1 { Score:
>-0,86 depth: 16 Bc1 Bd8 Rf1+ Kg7 Re1 b5 Rxe6 Kf7 Re8 Ra1 Rxd8 Rxc1+ Kf2 Ke7
>} 51... Bd8 52. Rf1+ { Score: -1,24 depth: 17 Rf1+ Kg7 Be3 Re2 Bd4+ e5 Bc3
>Re3 Ba1 Rd3 Bxe5+ Kg6 Kf2 Bb6+ Kg2 Rd2+ Kh1 Bd8 } 52... Kg7 53. Be3 { Score:
>-1,10 depth: 15 Be3 Ra5 Rb1 Kf6 Rxb7 Rd5 Kf2 e5 Bb6 Ke7 Bxd8+ Kxd8 Ke3 Rxd7
>Rb5 Re7 } 53... Re2 54. Bd4+ { Score: -1,32 depth: 17 Bd4+ e5 Bc3 Re3 Bb2 Rd3
>Bxe5+ Kg6 Rb1 Rxd7 Rb5 b6 Bf4 Rd1+ Kg2 Ra1 Rd5 Be7 Bc7 } 54... e5 55. Bc3 {
>Score: -1,20 depth: 18 Bc3 Re3 Bb2 Rd3 Bxe5+ Kg6 Rb1 Rxd7 Bf4 b6 Rb5 Ra7
>Rb2 Ra3 Rd2 Be7 Rb2 Bc5+ } 55... Re3 56. Bb2 { Score: -1,14 depth: 17 Bb2 Rd3
>Bxe5+ Kg6 Rb1 Rxd7 Bf4 b6 Be3 Rf7 Bd4 Rb7 Rb5 Rd7 Be3 Rd6 Bf4 } 56... Bb6
>57. Kh1 { Score: -1,50 depth: 18 Kh1 Bc7 Rf5 Re1+ Kg2 Re2+ Rf2 Rxf2+ Kxf2
>Bb6+ Ke2 Kf6 Kd3 Ke6 Ke4 Kxd7 Bxe5 Bg1 Bf4 Bxh2 } 57... Kg6 58. Rd1 { Score:
>-1,74 depth: 17 Rd1 Kf5 Bc1 Re4 Kg2 Bd8 Rd6 b5 Kf2 Rd4 Rxd4 exd4 Bb2 Ke5
>Ke1 Kd6 Bxd4 } 58... Kf5 59. Bc1 { Score: -1,84 depth: 17 Bc1 Re4 Kg2 Bd8 Kf2
>Rc4 Ba3 b5 Rb1 Rc3 Bd6 Rd3 Bb8 Rxd7 Rxb5 Rd2+ Ke1 } 59... Re4 60. Kg2 { Score:
>-2,00 depth: 17 Kg2 Bd8 Kf1 b5 Rd6 Rd4 Rxd4 exd4 Bb2 Ke6 Bxd4 b4 Ke2 Kxd7
>Kd3 Ke6 Kc4 } 60... Bd8 61. Kf1 { Score: -1,92 depth: 17 Kf1 b5 Rd6 Rd4 Rxd4
>exd4 Bb2 Ke6 Bxd4 Kxd7 Ke2 b4 Kd3 Ke6 } 61... Ke6 62. Ba3 { Score: -1,92
>depth: 17 Ba3 Rd4 Rxd4 exd4 Bc5 Kd5 Bf8 d3 Ke1 Ba5+ Kd1 Kc6 Bb4 Bb6 Kd2 Kxd7
>Kxd3 Bg1 } 62... Rd4 63. Rxd4 { Score: -2,01 depth: 19 Rxd4 exd4 Ke2 Kxd7 Kd3
>Kc6 Kxd4 b5 Ke5 Ba5 Kf5 b4 Bb2 Bd8 Kg6 h4 gxh4 Bxh4 Kf5 b3 Kxg4 } 63... exd4
>64. Ke2 { Score: -2,54 depth: 20 Ke2 Kxd7 Kd3 Kc6 Kxd4 Bb6+ Kd3 Bg1 } 64...
>Kxd7
>65. Kd3 { Score: -2,94 depth: 21 Kd3 Be7 Bb2 Bc5 Ke4 Kc6 Bxd4 Bxd4 Kxd4 b5
>Kc3 Kc5 Kc2 Kc4 Kc1 Kc3 Kb1 b4 Kc1 } 65... Bf6 66. Bb2 { Score: -3,60 depth:
>22 Bb2 Kc6 Ke4 Kb5 Kd3 Ka4 Bc1 b5 Bd2 b4 Bf4 b3 Bc1 Be7 Bb2 Bc5 Kd2 Bb4+ Kc1
>Bc3 } 66... Kd6 67. Ba3+ { Score: -3,48 depth: 21 Ba3+ Kd5 Bb2 Kc5 Ba3+ Kb5
>Bd6 Ka4 Bc5 b5 Bd6 b4 Bf4 b3 Bc1 Be7 Bb2 } 67... Kd5 68. Bb2 { Score: -3,90
>depth: 21 Bb2 b5 Ba1 b4 Bb2 Be5 Ba1 b3 Bb2 h4 gxh4 Bxh2 Bxd4 g3 Bb6 } 68... b5
>69. Ba1 { Score: -5,22 depth: 23 Ba1 b4 Bb2 Kc5 Bc1 h4 gxh4 Bxh4 Bh6 Kd5
>Bg7 Bf2 Bf8 b3 } 69... b4 70. Bb2 { Score: -5,70 depth: 23 Bb2 Kc5 Bc1 h4
>gxh4 Bxh4 Bh6 Be1 Bg7 Bc3 Bf8+ Kd5 Be7 b3 Bg5 b2 Kc2 } 70... b3 71. Ba1 {
>Score: -6,08 depth: 21 Ba1 Kc5 Bb2 Kb4 Bc1 h4 gxh4 Bxh4 Bb2 Bf2 Bc1 Bg1 Bb2
>Bxh2 Bxd4 g3 Be5 Ka3 Ke4 b2 Bxb2+ Kxb2 Kf3 Kc2 } 71... h4 72. gxh4 { Score:
>-6,06 depth: 20 gxh4 Bxh4 Bxd4 Bg5 Bf2 Bf6 Bb6 b2 Kc2 Be5 Bf2 Ke4 Bg1 Kf3
>Bc5 Kg2 Be3 Kxh2 Bb6 g3 Bc5 } 72... Bxh4 73. Bxd4 { Score: -6,12 depth: 22
>Bxd4 Bg5 Bg1 Bf6 Bf2 b2 Kc2 Ke4 Bg3 Be5 Be1 Kf3 Bb4 Kg2 Ba3 Kxh2 } 73... Be7
>74. Bc3 { Score: -6,72 depth: 20 Bc3 Bd6 Ba5 Be5 Be1 b2 Kc2 Ke4 Bd2 Kf3 Bb4
>Kg2 Bf8 Kxh2 Kb1 } 74... Bd6 75. Ba5 { Score: -6,58 depth: 19 Ba5 Be5 Be1 b2
>Kc2 Ke4 Bb4 Kf3 Ba3 Kg2 Bb4 Kxh2 Ba5 g3 Bb6 g2 Kb1 g1Q+ Bxg1+ Kxg1 Kc2 }
>75... Bxh2 76. Kc3 { Score: -11,42 depth: 21 Kc3 Bf4 Kxb3 g3 Bb6 Ke4 Kc4 g2
>Bg1 Be3 Bh2 Kf3 Kd3 Bf2 Kc3 Bg3 Bg1 Ke2 Kc4 Kf1 Bd4 Bf2 } 76... b2 77. Kxb2 {
>Score: -11,44 depth: 22 Kxb2 Ke4 Kb3 Kf3 Kc4 Bf4 Be1 Be3 Bh4 Bf2 Bf6 g3 Be5
>g2 Bh2 Kg4 Kb3 Be3 Kc3 Kh3 Be5 g1Q } 77... Ke4 78. Kb3 { Score: -11,68 depth:
>21 Kb3 Kf3 Kc4 Bf4 Be1 Be3 Kd5 Bf2 Bc3 g3 Be5 g2 Bh2 Kg4 Ke6 Be3 Kd5 Kh3 Be5
>g1Q Bb2 Kg4 } 78... Bf4 79. Be1 { Score: -11,98 depth: 22 Be1 Kf3 Kc4 Be3 Kd5
>Bf2 Bc3 g3 Be5 g2 Bh2 Kg4 Ke4 Kh3 Be5 } 79... Kf3 80. Kc4 { Score: -12,00
>depth: 20 Kc4 Be3 Bh4 Bf2 Bf6 g3 Be5 g2 Bh2 Kg4 Kd5 Kh3 Be5 g1Q Ke6 Qg4+ Kd6
>Bd4 Kd5 Bxe5 Kxe5 Qg5+ Ke4 Kg4 } 80... Be3 81. Kd5 { Score: -15,78 depth: 21
>Kd5 Bf2 Bc3 g3 Be5 g2 Bh2 Kg4 Ke6 Kh3 Be5 g1Q Kf7 Qb1 Bf6 Qh7+ Ke6 Qg6 Ke5
>Qe8+ Kf5 Qc8+ Kg6 Qg8+ Kh5 Qh7+ Kg5 } 81... Bf2 82. Bc3 { Score: -16,40
>depth: 21 Bc3 g3 Be5 g2 Bh2 Kg4 Ke6 Kh3 Be5 g1Q Kf7 Qf1 Ke6 Qc4+ Kf6 Bd4 Kf5
>Qd5 Kf6 Qxe5+ Kg6 Qf6+ } 82... g3 83. Be5 { Score: -Mate in 9 depth: 19 Be5
>g2 Bh2 Kg4 Ke6 Kh3 Be5 g1Q Kf7 Qg4 Ke7 Bh4+ Kd6 Bg3 Bxg3 } 83... g2 84. Bh2 {
>Score: -16,30 depth: 16 Bh2 Kg4 Ke4 Kh3 Bf4 g1Q Kd5 Qd1+ Ke5 Qd4+ Kf5 Qd5+
>Kf6 Bh4+ Bg5 Bxg5+ Kg6 Kg2 Kg7 Qf5 Kh8 } 84... Kg4 85. Kc4 { Score: -Mate in 10
> depth: 16 Kc4 Kh3 Be5 g1Q Bc3 Qf1+ Kb3 Qb5+ Kc2 Qc4 Kb2 Bd4 Ka3 Qxc3+ Ka4
>Qc4+ } 85... Kh3 86. Bf4 { Score: -Mate in 9 depth: 15 Bf4 g1Q Bd2 Qf1+ Kc3
>Be1 Bxe1 Qxe1+ Kc4 Qd1 } 86... Bb6 87. Kb5 { Score: -Mate in 10 depth: 15 Kb5
>g1Q Bd6 Qe3 Ka4 Qe2 Bf8 Bc5 Bxc5 } 87... Bd4 88. Bd6 { Score: -Mate in 13
>depth: 15 Bd6 g1Q Kc4 Qd1 Bb4 Qc2+ Kxd4 } 88... Be3 89. Kc6 { Score: -Mate in 9
> depth: 15 Kc6 g1Q Kc7 Bc5 Kc6 Bxd6 Kxd6 Qd4+ Ke6 Kg2 Kf5 } 89... Bd4 90. Kb5
>{ Score: -0,01 depth: 37 Kb5 g1Q Bc7 Qf1+ Ka4 Qc4+ Ka3 Qxc7 Ka4 } 90... Be3
>91. Kc6 { Score: -0,01 depth: 38 Kc6 g1Q Kc7 Bd4 Kd7 Kg2 Bf4 Kf1 Kd6 Bc5+
>Ke5 Bd6+ } 91... Bd4 92. Kb5 { Score: -0,01 depth: 40 Kb5 g1Q Kc6 Qg8 Bc7 Kg2
>} 1/2-1/2
>
>Tony
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