Author: George Sobala
Date: 15:40:26 01/22/04
Go up one level in this thread
On January 22, 2004 at 15:39:46, John Merlino wrote: >On January 22, 2004 at 15:14:26, George Sobala wrote: > >>On January 22, 2004 at 14:53:53, John Merlino wrote: >> >>>On January 22, 2004 at 14:43:10, George Sobala wrote: >>> >>>>Bet you can't find this one. My Deep Sjeng variant did, 10'+5" blitz. >>>> >>>>[D] 2r2rk1/2qnbppp/pp1p4/4pPN1/nPP1N1P1/4B2P/P3P1Q1/2R2RK1 w - - 0 28 >>>> >>>>Can you find 28. f6! with 30 Rxf6! to follow? >>>>Black is losing after 31. Ne4, although 31. .. Kh8 hastened the end >>> >>>Chessmaster 9000, SKR personality on a P4-2.4, finds a completely different and >>>very interesting move -- Nxh7! >>> >>>Time Depth Score Positions Moves >>>0:00 1/5 -0.39 17758 28.Kh2 Nb2 29.Nd2 d5 30.Qxd5 Bxb4 >>>0:00 1/6 -0.29 100176 28.Kh2 Rfe8 29.Nd2 h6 30.Nge4 d5 >>> 31.cxd5 Qxc1 32.Rxc1 Rxc1 >>>0:01 1/7 -0.77 227685 28.Kh2 Nb2 29.Nd2 d5 30.cxd5 Qxc1 >>> 31.Rxc1 Rxc1 32.Nde4 >>>0:05 1/8 -0.67 847398 28.Kh2 Qc6 29.h4 h6 30.Nh3 Nb2 >>> 31.b5 axb5 >>>0:14 1/9 -0.82 2290518 28.Kh2 Qc6 29.h4 b5 30.f6 Nxf6 >>> 31.Nxf6+ gxf6 32.Ne4 bxc4 >>>0:17 1/9 -0.77 2822706 28.a3 Qc6 29.Nd2 d5 30.Qxd5 Qxd5 >>> 31.cxd5 Nc3 32.Kf2 Nxd5 33.Nge4 >>>0:23 1/9 -0.71 3819184 28.Qf2 h6 29.Nf3 Qc6 30.Nfd2 d5 >>> 31.f6 Nxf6 32.Nxf6+ Bxf6 33.Bxh6 >>>0:28 1/9 -0.45 4786745 28.Nxh7 Kxh7 29.g5 Bd8 30.Qg4 Kg8 >>> 31.f6 g6 32.Rfd1 Nb2 33.Rxd6 >>>0:35 1/10 -0.45 5942407 28.Nxh7 Kxh7 29.g5 Bd8 30.Qg4 Kg8 >>> 31.f6 g6 32.Rfd1 Nb2 33.Rxd6 >>>1:22 1/11 -0.14 14502049 28.Nxh7 Kxh7 29.g5 f6 30.gxf6 Bxf6 >>> 31.Rfd1 Kh8 32.Nxd6 Rcd8 33.Kh2 >>> Nb2 34.Rd2 Be7 >>>2:15 1/12 -0.11 24521890 28.Nxh7 Kxh7 29.g5 f6 30.gxf6 Bxf6 >>> 31.Rfd1 Kh8 32.Nxd6 Rcd8 33.Qd5 >>> Nb2 34.Rd2 Nb8 35.Bf2 >>>5:03 1/13 0.00 56537305 28.Nxh7 Kxh7 29.g5 f6 30.gxf6 Bxf6 >>> 31.Rfd1 Kh8 32.Nxd6 Rb8 33.Qg6 >>> Kg8 34.Qg2 Kh8 >>> >>>jm >> >>But how does CM9000 evaluate 28. Nxh7 Rxh7 ? > >I assume, in English, you mean 28.Nxh7 Kxh7...? After forcing those two moves, >the eval is very favorable, given enough time: > >Time Depth Score Positions Moves >0:00 1/3 -1.63 1528 29.b5 Kg8 30.bxa6 Nac5 >0:00 1/4 -1.63 4914 29.b5 Kg8 30.bxa6 Nac5 >0:00 1/4 -1.08 11242 29.g5 Bd8 30.f6 g6 31.Rfd1 >0:00 1/5 -1.16 19570 29.g5 Bd8 30.g6+ Kg8 31.gxf7+ Rxf7 > 32.Qg6 Nf6 >0:00 1/6 -0.94 62137 29.g5 Bd8 30.g6+ Kg8 31.Rfd1 Nb2 > 32.Rxd6 >0:00 1/7 -1.04 131777 29.g5 Bd8 30.g6+ Kg8 31.Rfd1 Be7 > 32.gxf7+ Rxf7 33.Qg6 Nf6 >0:02 1/8 -0.47 388471 29.g5 Bd8 30.f6 g6 31.Qg4 Kg8 32.Rfd1 > Nb2 33.Rxd6 >0:04 1/9 -0.47 785169 29.g5 Bd8 30.f6 g6 31.Qg4 Kg8 32.Rfd1 > Nb2 33.Rxd6 >0:24 1/10 -0.14 4457893 29.g5 f6 30.gxf6 Bxf6 31.Rfd1 Kh8 > 32.Nxd6 Rcd8 33.Kh2 Nb2 34.Rd2 Be7 >0:54 1/11 -0.12 10488637 29.g5 f6 30.gxf6 Bxf6 31.Rfd1 Kh8 > 32.Nxd6 Rcd8 33.Qd5 Nb2 34.Rd2 > Nb8 35.Bf2 >2:57 1/12 0.19 32961624 29.g5 f6 30.g6+ Kg8 31.Nc5 Naxc5 > 32.Qd5+ Ne6 33.fxe6 Nb8 34.Qf3 > Rfe8 35.Qh5 Bd8 36.Qh7+ Kf8 37.Qh8+ > Ke7 38.Qxg7+ Kxe6 >11:45 1/13 1.11 131179939 29.g5 Kg8 30.f6 Bd8 31.fxg7 Kxg7 > 32.Qg4 Nb8 33.Nxd6 Qxd6 34.Qxc8 > Qg6 35.Qg4 f5 36.gxf6ep+ Rxf6 37.Rcd1 > Qxg4+ 38.hxg4 > You are right: Nxh7 is winning. Cm9000 is one heck of a tactical engine. My favourite line is 28. Nxh7 Kxh7 29. g5 f6 30. g6+ Kg8 31. Nc5!! and better than the line above: 28. Nxh7 Kxh7 29. g5 Bd8 30. Qg4 Rh8 31. Rcd1!
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.