Author: Uri Blass
Date: 07:26:04 01/26/01
Go up one level in this thread
On January 26, 2001 at 09:52:34, Robert Hyatt wrote: >On January 26, 2001 at 06:06:01, Thomas Lagershausen wrote: > >>In the following game played in the cadaques-tournament Fritz played a >>wonderfull pawnsac to get a winning queenending. >>59.b5-b6! is great. It looks like Fritz have some special endgameknowledge about >>the type of queenendings.I analysed the position 30 minutes with Shredder 5 and >>Yace 0.99 but both are not able to convice me that they could win this >>position.It makes no difference if you use Fritz 6 or DeepFritz.Fritz knows how >>to win this position.My gratulation to Franz Morsch. > > >I don't think this is anything "special" From Crafty: > > 8 0.56 ++ 59. Qc7+!! > 8 2.16 2.83 59. Qc7+ Kh6 60. Qf4+ Kh5 61. Qg4+ > Kh6 62. Qxe2 Qd6+ 63. g3 Qxb8 64. Qe3+ > Kg7 65. Qd4+ Kf7 66. b6 > 8-> 2.28 2.83 59. Qc7+ Kh6 60. Qf4+ Kh5 61. Qg4+ > Kh6 62. Qxe2 Qd6+ 63. g3 Qxb8 64. Qe3+ > Kg7 65. Qd4+ Kf7 66. b6 > 9 3.15 2.51 59. Qc7+ Kh6 60. Qf4+ Kh5 61. Qg4+ > Kh6 62. Qxe2 Qd6+ 63. Kg1 Qxb8 64. > Qe3+ g5 65. b6 Qb7 66. Kf2 > (2) 9-> 4.15 2.51 59. Qc7+ Kh6 60. Qf4+ Kh5 61. Qg4+ > Kh6 62. Qxe2 Qd6+ 63. Kg1 Qxb8 64. > Qe3+ g5 65. b6 Qb7 66. Kf2 > 10 5.37 2.60 59. Qc7+ Kh6 60. Qf4+ Kh5 61. Qg4+ > Kh6 62. Qxe2 Qd6+ 63. g3 Qxb8 64. Qe3+ > Kg7 65. Qd4+ Kf7 66. Qf4+ Qxf4 67. > gxf4 Ke6 68. b6 > 10 44.13 2.88 59. b6 Kh6 60. Rc8 Rb2 61. Qh4+ Qh5 > 62. Qd4 Qf5 63. Qxb2 Qxc8 64. Kg3 > 10-> 44.81 2.88 59. b6 Kh6 60. Rc8 Rb2 61. Qh4+ Qh5 > 62. Qd4 Qf5 63. Qxb2 Qxc8 64. Kg3 > 11 1:27 3.20 59. b6 Kh6 60. Rc8 Rb2 61. Qh4+ Qh5 > 62. Qd4 Qf5 63. Rc7 Qf2 64. Qxf2 Rxf2 > 65. b7 Rb2 > I agree. I think the special move is Junior's move after 59.b6(the move 59...Rxg2+) [D]1R6/6kp/1P4p1/3q4/8/6QP/4r1PK/8 b - - 0 1 59...Rxg2+ probably does not save the game(Junior lost) but it wins a pawn because white is losing the rook because of the threat of perpetual check. After 59...Rxg2+ 60.Qxg2 Qd6+ 61.Qg3 Qd2+ white cannot protect the rook and also to avoid perpetual check. I guess that Deep Fritz will avoid 59.b6 if you give it enough time and the same for Crafty. Enough time may be some hours(I do not know). Uri
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