Author: Robert Hyatt
Date: 20:09:53 01/07/00
Go up one level in this thread
On January 07, 2000 at 20:09:21, Will Singleton wrote: > >In a recent ICC game (PostModernist - Amateur), black can easily win with Nxe3. >My program wanted to play f2 (and did), leading to a draw. > >I wonder if there's a way to quickly figure out that getting rid of the knights >is better here. > >[D] 8/6pp/4k3/8/P1PKp2P/4Np2/6n1/8 b - - > > >Amateur on a G3/300: > >ply score time nodes pv > > 2 403 0.01 909 > 3 498 0.04 1466 f2 Nf1 e3 > 4 454 0.07 3434 f2 Nf1 e3 Kd3 Ke5 > 5 459 0.12 8177 f2 Nf1 e3 Kd3 Ke5 Ke2 > 6 406 0.25 22859 f2 Nf1 e3 Kd3 Ke5 a5 Kd6 > 7 411 0.58 61387 f2 Nf1 e3 Kd3 Ke5 a5 Kd6 Ke2 > 8 424 2.43 186041 f2 Nf1 Kf5 a5 e3 Kd3 Kg4 a6 Kxh4 > 9 359 7.27 506374 f2 Nf1 e3 Kd3 Ke5 a5 Kd6 Ke2 Kc5 Nxe3 Nxe3 >Kxf2 Nxc4 > 10 223 19.00 1346641 f2 Nf1 e3 Kd3 g5 Pxg5 Ke5 a5 Kd6 Ke2 Kc5 Nxe3 >Nxe3 Kxf2 Nxc4 > 10 281 29.47 2097392 Nxe3 Kxe3 Kd6 a5 > 11 285 33.50 2395723 Nxe3 Kxe3 Kd6 a5 Kc6 Kf2 h6 a6 Kb6 c5 Kxa6 c6 >Kb6 if you vary the weight of your endgame stuff based on material left, yes. I have a special term for protected passed pawns... it realizes that this is almost impossible to lose for black if the white pawns can't run in too quickly. The key for this kind of stuff is just that however... knowing that if you have a winning edge (assuming no pieces on the board) then scale the scores for that edge to be inversely proportional to the material remaining...
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