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Petir 2.4 CCT7 bug?

PostPosted: 13 Apr 2005, 12:35
by Guenther Simon
In a test tourney Petir allowed a 3 time repetition
with an eval +8.71! (e.g. 70.g7 wins easily BTW)

[diag]8/8/3Q2P1/8/8/2k4P/P2p3K/2r5 w - - 0 70[/diag]
8/8/3Q2P1/8/8/2k4P/P2p3K/2r5 w - - 0 70

[Event "RWBC_Test29"]
[Site "ESPRESSO"]
[Date "2005.04.13"]
[Round "8.1"]
[Number "449"]
[White "Petir_24CCT7"]
[Black "Gosu_07"]
[Result "1/2-1/2"]
[TimeControl "40/420"]

1. e4 e5 {-0.09/7} 2. Nf3 Nf6 {-0.10/7} 3. Nxe5 Qe7 {-0.05/8} 4.
d4 {+0.31/13} d6 {-0.07/7} 5. Nf3 {+0.27/12} Nxe4 {-0.04/7} 6.
Be2 {+0.30/11} d5 {-0.08/6} 7. O-O {+0.30/10} Bg4 {-0.20/7} 8.
Re1 {+0.56/10} Nc6 {-0.16/7} 9. Ng5 {+0.79/11} Bxe2 {-0.27/7} 10.
Rxe2 {+0.84/12} O-O-O {-0.55/7} 11. f3 {+1.64/12} Nxg5 {-0.46/8} 12.
Rxe7 {+1.76/13} Bxe7 {-0.48/9} 13. Bxg5 {+1.68/13} Bxg5 {-0.56/10} 14.
f4 {+1.76/13} Bf6 {-0.43/9} 15. c3 {+1.71/12} Rhe8 {-0.60/9} 16.
Kf1 {+1.75/12} g6 {-0.24/8} 17. Qd3 {+1.72/11} Re4 {-0.37/9} 18.
Qf3 {+1.78/11} Nxd4 {-0.39/8} 19. cxd4 {+2.40/10} Bxd4 {-0.76/9} 20.
Nc3 {+2.64/12} Bxc3 {-0.85/9} 21. bxc3 {+2.76/11} h5 {-0.94/9} 22.
Qf2 {+2.71/12} b6 {-0.75/8} 23. Rd1 {+2.75/12} Kb7 {-0.81/9} 24.
Qg3 {+2.78/12} Rd6 {-0.79/8} 25. f5 {+2.83/12} h4 {-0.85/9} 26.
Qf3 {+2.87/11} Re5 {-0.93/9} 27. fxg6 {+3.03/13} fxg6 {-0.99/9} 28.
Kg1 {+2.93/12} a6 {-1.15/8} 29. c4 {+3.52/13} Rf5 {-1.33/9} 30.
Qe2 {+3.63/12} h3 {-1.46/8} 31. g4 {+3.85/13} Rf4 {-1.29/9} 32.
cxd5 {+3.82/13} g5 {-1.48/10} 33. Rd3 {+3.84/13} b5 {-1.64/9} 34.
Qd1 {+3.90/13} Kb6 {-1.74/9} 35. Rxh3 {+4.20/13} c6 {-2.10/8} 36.
Rd3 {+4.40/15} Rxd5 {-2.30/9} 37. Rxd5 {+4.50/15} cxd5 {-2.79/11} 38.
h3 {+4.58/14} d4 {-2.59/9} 39. Qd3 {+4.99/13} Kc5 {-2.89/11} 40.
Qa3+ {+5.11/14} Kc4 {-2.89/11} 41. Qxa6 {+5.04/13} d3 {-2.83/9} 42.
Qc8+ {+5.37/13} Kd4 {-2.90/11} 43. Qh8+ {+5.57/13} Kc4 {-2.90/10} 44.
Qg8+ {+5.66/13} Kc3 {-2.90/10} 45. Qb3+ {+5.66/13} Kd4 {-3.02/10} 46.
Qb2+ {+5.68/13} Ke3 {-3.24/11} 47. Qe5+ {+5.89/12} Kf3 {-3.24/10} 48.
Qxb5 {+5.92/12} Ke2 {-3.33/9} 49. Qe5+ {+5.97/12} Kf3 {-3.58/11} 50.
Qe1 {+5.99/12} Rc4 {-3.68/10} 51. Qf2+ {+6.08/12} Ke4 {-3.68/1} 52.
Qf5+ {+6.25/12} Kd4 {-3.75/10} 53. Qxg5 {+6.08/11} Rc2 {-3.81/8} 54.
Qf4+ {+6.54/11} Kc3 {-3.70/8} 55. Qf6+ {+6.83/12} Kd2 {-4.08/10} 56.
g5 {+7.64/10} Ke3 {-4.04/8} 57. g6 {+8.81/11} Rc1+ {-4.04/8} 58.
Kh2 {+9.06/10} d2 {-4.09/9} 59. Qe5+ {+8.89/12} Kd3 {-4.08/9} 60.
Qd5+ {+8.71/12} Ke3 {-4.06/9} 61. Qe5+ {+8.89/12} Kd3 {+0.00/13} 62.
Qg3+ {+8.71/12} Kd4 {-4.04/10} 63. Qf4+ {+8.71/12} Kd3 {-4.04/11} 64.
Qf5+ {+8.71/13} Ke3 {-4.04/11} 65. Qg5+ {+8.71/13} Kd3 {-4.04/11} 66.
Qb5+ {+8.71/12} Ke3 {-4.04/11} 67. Qb3+ {+8.71/13} Kd4 {-4.04/10} 68.
Qb6+ {+8.71/13} Kd3 {-4.04/10} 69. Qd6+ {+8.71/12} Kc3 {-4.04/11} 70.
Qe5+ {+8.71/12} Kd3 {+0.00/12}
{Draw by repetition} 1/2-1/2