Author: John Merlino
Date: 08:57:47 03/01/05
Go up one level in this thread
On March 01, 2005 at 08:47:11, Thomas Lagershausen wrote: >[D]2r2r1k/1bqnb1pp/p2pB3/1p1Pp3/2n5/5NNP/PP3PP1/R1BQR1K1 b - - 4 20 > >...is the lack of positional knowledge. This counts for most of curent >chessprograms. > >In the last round of Paderborn Anaconda reaches this position with the black >pieces against Hydra and lost without any real resistance. > >But it is not difficult to see that black has to play against the weak pawn on >d5 to get enough counterplay. So, the sacrifice of the exchange by 20...Nc5 or >20...Nf6 give black the chance to free his game and equalize the position. > >Please notice that my intention is to help the programers and not to show how >weak chessprograms are playing chess. > >Have fun and improve your chessprograms. > >TL CM9_SKR on a P4-2.4 chooses Nf6 after 0:11. Note that it does NOT expect White to reply by taking the c8 Rook, but rather to muster its forces with Ng5 (earlier PVs suggest Qd3): Time Depth Score Positions Moves 0:00 1/5 0.49 22586 20...Ncb6 21.Ng5 Bxg5 22.Bxg5 Qc2 23.Re2 0:00 1/5 0.19 28423 20...b4 21.b3 Na3 22.Bxa3 bxa3 23.Rc1 Qxc1 24.Qxc1 Rxc1 25.Rxc1 0:00 1/5 0.13 47661 20...Rce8 21.b3 Ncb6 22.Ba3 Nc5 0:00 1/6 0.30 67115 20...Rce8 21.b3 Nc5 22.bxc4 Nxe6 23.dxe6 Bxf3 24.gxf3 Qxc4 0:01 1/7 0.30 163074 20...Rce8 21.b3 Nc5 22.bxc4 Nxe6 23.dxe6 Bxf3 24.gxf3 Qxc4 0:03 1/8 0.30 407837 20...Rce8 21.b3 Nc5 22.bxc4 Nxe6 23.dxe6 Bxf3 24.gxf3 Qxc4 0:07 1/8 0.26 994412 20...Ncb6 21.Ne4 Qc2 22.Bg5 Bxg5 23.Nfxg5 Qxb2 24.Nf7+ Rxf7 25.Bxf7 0:11 1/8 0.10 1548071 20...Nf6 21.Qd3 Qa5 22.a3 Nxd5 23.Bxc8 Rxc8 24.Qf5 0:21 1/9 0.17 3028171 20...Nf6 21.Qd3 Rce8 22.Ng5 Bd8 23.b3 Nb6 24.Be3 Nbxd5 25.Nxh7 Nxh7 26.Bxd5 Bxd5 27.Qxd5 0:56 2/10 0.08 8001492 20...Nf6 21.Qd3 Nb6 22.Be3 Qc4 23.Qxc4 Nxc4 24.Bxc8 Rxc8 25.Nf5 Nxd5 26.Nxe7 Nxe7 2:08 2/11 0.24 18992586 20...Nf6 21.Qd3 Nb6 22.Bxc8 Rxc8 23.Bg5 Qc2 24.Qxc2 Rxc2 25.Rac1 Rxc1 26.Rxc1 Bxd5 6:14 2/12 0.11 57317517 20...Nf6 21.Ng5 Nb6 22.Bd2 Bxd5 23.Bxd5 Nfxd5 24.Ne6 Qc4 25.Re4 Qc6 26.Rc1 Nc4 27.Nxf8 Rxf8 jm
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.