Author: Robert Hyatt
Date: 20:14:33 09/07/01
Go up one level in this thread
On September 07, 2001 at 17:19:07, José Carlos wrote:
> Last night, in one of my test games, Averno played ...Bxf4 in this position
>(against another program):
>
>[D]4R3/p2r3r/1pNbRp2/2p2k1p/2P2PpP/PP4P1/K7/8 b - - 0 1
>
> The game ended soon:
>
>57. gxf4 g3 58. Re2 Rhg7 59. Re1 g2 60. Rg1 Rd2+ 61. Ka1 Rf2
>62. Ree1 Kxf4 63. a4 Kg3 64. a5 Rc7 65. Nd8 bxa5 66. Kb1 Kxh4 67. Ka1 Kg3
>68. Kb1 h4 69. Ne6 Rc6 70. Nd8 Rb6 71. Ne6 Rxb3+
>{White resigns} 0-1
>
> 59. Re1 is a blunder, but I wonder if the sac is correct at all. It seems that
>59. Rg2 is good enough for white (Averno plays Bxf4 by eval, it doesn't see the
>pawn queening at all in search). Is my passed pawn eval too high here? What do
>other programs think?
>
> Thanks in advance.
>
> José C.
My first thought is that it is a bad idea. This kind of sac is not really safe
unless you can see the king and pawn advancing pretty quickly. Otherwise the
extra piece your opponent has is going to be used to win pawns and the game.
Crafty won't play it, but it refuses because it doesn't like the idea of
giving its opponent an extra piece to play with here... It wouldn't make the
sac unless it could see the pawn advancing very quickly.
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