Author: David Rasmussen
Date: 14:11:54 11/29/02
Go up one level in this thread
On November 29, 2002 at 15:45:51, bobby palacios wrote:
>[D] r1b2b1r/ppNk3p/2n4q/3pp3/4n1pB/8/PPP2PPP/R2QKBNR w KQ - 0 13
>
>A very interesting position aroused between Aristarch 4.4 vs TheKing 3.12(game
>in 25). After a wild opening, TheKing 3.12 went straight for Aristarch's king,
>at this critical point Aristarch took the rook at a8, instead of the pawn at d5,
>and was crushed. How many programs avoid Nxa8 at a reasonable time? (Aristarch
>played Nxa8 after 35 seconds)
About 1 second for Chezzz on an Athlon XP 1800+:
time nodes depth score pv
00:00:00.14 76kn 06/11/15 +1.262 13. Nxa8 Qxh4 14. Qxd5+ Nd6
15. Bb5 Qg5 16. Bxc6+ bxc6
00:00:00.25 113kn 06/13/15 ---------------------------------------------------
00:00:00.70 322kn 07/16/16 +0.205 13. Nxa8 Bb4+ 14. c3 Nxc3
15. bxc3 Bxc3+ 16. Ke2 Nd4+
17. Kd3 Bxa1 18. Qxg4+
00:00:01.01 501kn 07/16/16 +0.614 13. Nxd5 Qxh4 14. g3 Qg5
15. Nf6+ Kc7 16. Nxe4 Bb4+
17. c3
00:00:01.26 621kn 07/16/16 ---------------------------------------------------
00:00:01.67 837kn 08/15/16 +0.604 13. Nxd5 Qxh4 14. g3 Qg5
15. Nf6+ Kc7 16. Nxe4 Bb4+
17. c3 Qf5
00:00:02.48 1205kn 08/16/16 ---------------------------------------------------
00:00:04.01 1979kn 09/20/20 +0.689 13. Nxd5 Qxh4 14. g3 Qg5
15. Nf6+ Kc7 16. Nxe4 Bb4+
17. c3 Qf5 18. Bd3
00:00:06.04 2964kn 09/20/21 ---------------------------------------------------
00:00:09.37 4651kn 10/22/22 +0.509 13. Nxd5 Qxh4 14. g3 Qg5
15. Nf6+ Kc7 16. Nxe4 Bb4+
17. c3 Qg6 18. Nd2 Bc5
00:00:14.45 7115kn 10/22/23 ---------------------------------------------------
00:00:14.45 7115kn 11/00/00 1/41 13. Nxd5
Time used: 00:00:15.00
nps: 492301 nodes: 7389446 Q-nodes: 403446 (5%)
move order: 95%
hash probes: 1927440 hash hits: 550331 (28%) hash usage: 28%
pawn hash probes: 4246468 pawn hash hits: 4203153 (98%)
EGTB probes: 0
13. Nxd5
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Last modified: Thu, 15 Apr 21 08:11:13 -0700
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