Author: James Robertson
Date: 16:59:04 04/05/99
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On April 05, 1999 at 16:25:48, Will Singleton 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 >> > >James, > >Here's Amateur's output, g3/300. Takes a long time, I suspect because the >natural move-ordering is bad, and lots of extensions going on. Note that both >of our 6th moves in the final pv's are not the best. GNUChess played Kh8, like Crafty predicts. By the time that move came about though, both programs had been predicting Kh8. I suspect Amateur would do the same. > >Hiarcs 6 played this fairly early, with about the same eval. It's remarkable >that all of the results so far give an eval of about 0.30. Yes..... James > >Rf6 is probably also playable. > >ply score time nodes pv > > 2 -263 0.02 1556 > 3 -142 0.11 6269 Rf6 Rg4 Qxh6 Kg8 > 4 -109 0.19 12674 Rf6 Rg4 Rxh6 Kg8 Rf6 > 5 -99 0.51 27655 Rf6 Rg4 Rf4 Qb7 Rxg4 > 6 -95 1.58 70812 Rf6 Rg6 Rxg6 Pxg6 Rf6 Qa5 Qc1 > 7 -62 31.28 1550184 e6 Bxe6 d5 Bxd5 Qd3 Kh8 Qxd5 Rd8 Rxf7 Rxd5 >Rxc7 > 8 -62 71.19 3435014 e6 Bxe6 d5 Bxd5 Qd3 Kh8 Qxd5 Rd8 Rxf7 Rxd5 >Rxc7 > 9 35 295.38 14884140 e6 Bxe6 d5 Bxd5 Qd3 Kg7 Qxd5 Rf8 Qd4 Kh7 Qxc3 I tried my program with a recapture extension, and it also changed to a positive score (+0.28, I think) at ply 9, after almost 200 seconds. > > >Will
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