Author: Vincent Lejeune
Date: 09:10:39 04/07/99
Go up one level in this thread
On April 06, 1999 at 18:29:21, Christophe Theron wrote: >On April 06, 1999 at 09:06:33, James Robertson wrote: > >>On April 06, 1999 at 02:10:11, Sarah Bird wrote: >> >>>On April 05, 1999 at 14:12:13, James Robertson wrote: >>> >>>>My program just played a game (40 moves in 20 min) against GNUChess (GNUChss was >>>>black), and this position arose: >>>> >>>>1r4r1/2q2p1k/p6p/1pP1P2p/2bP3P/P1p1Q3/2P2RP1/5RK1 w - - >>>> >>>>GNUChess had just played Be6-c4 with a sizeable plus score for black. My program >>>>responded with e6 with an about even score. What do other programs, especially >>>>amateur ones, think about this? >>>> >>>>Thanks, >>>>James >>>> >>>>My program's analysis: >>>> >>>> 1 -133 50 58 Rd1 >>>> 2 -133 50 341 Rd1 Qa5 >>>> 3 -127 50 3881 e6 Bxe6 Qxc3 >>>> 4 -128 160 11304 e6 Bxe6 Qd3+ Kg7 Qxc3 >>>> 5 -128 330 27324 e6 Bxe6 Qd3+ Kg7 Qxc3 >>>> 6 -78 1100 124186 e6 Bxe6 d5 Qg3 Qxg3 Rxg3 dxe6 fxe6 >>>> 7 -78 2360 281522 e6 Bxe6 d5 Qg3 Qxg3 Rxg3 dxe6 fxe6 >>>> 8 -78 7410 950243 e6 Bxe6 d5 Qg3 Qxg3 Rxg3 dxe6 fxe6 >>>> 9 -9 22190 2760318 e6 Bxe6 d5 Bd7 Rxf7+ Rg7 Qxc3 Rxf7 Rxf7+ Kg6 >>>>10 -9 67170 8712177 e6 Bxe6 d5 Bxd5 Qd3+ Kh8 Qxd5 Qe7 Qxh5 Kg7 >>>>11 33 216130 27175571 e6 Bxe6 d5 Bxd5 Qd3+ Rg6 Qxd5 f6 Rxf6 Rxf6 Rxf6 >>> >>> >>>Fritz 5.32 >>>1. e6....Bxe6 >>>2. d5....Bxd5 >>>3. Qd3+..Kh8 >>>4. Qxd5..Rbc8 >>>5. Rxf7..Qxc5+ >>>+(0.50) depth 15/37 00:25:31 381252kn >>>248kN/s >>>P200 >>>UltraB >> >>It is interesting that all the commercial programs and Crafty predicted 3. ... >>Kh8, while Amateur and my program liked worse moves. Are there any amateur >>programs that like 3. ... Kh8? This position have a curious estimation by crafty (I don't remember the version) : 3r4/1rq2p2/ppk1p1p1/3pP2p/PRpP4/Q1P3PP/2P2P1K/1R6 w I test it with 3-4 commercial Fritz 5, Rebel 9, Genius 5 : they said around +.4 for white and crafty said around +0.0 >> >>James > >Yes, Chess Tiger 11.8 from ply depth 7 sees (K6-2 300MHz, 8Mb hash): > > e6 Bxe6 d5 Bxd5 Qd3+ Kh8 Qxd5 Rbd8 Qxh5 (score=+0.04, time 2.47s) > >At deeper depth the first 7 half moves (e6 to Qxd5) never change. > > > Christophe
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