Author: Uri Blass
Date: 06:31:00 04/24/04
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On April 24, 2004 at 08:07:48, Djordje Vidanovic wrote: >On April 24, 2004 at 07:32:32, Uri Blass wrote: > >>On April 24, 2004 at 07:04:44, Johan Havegheer wrote: >> >>>Hello >>> >>>Ruffian won against The King in a tremendous endgame >>> >>>To djordje : Everything is working fine, out off book against Hydra yesterday >>>with >>>+ 0.56 >>> >>>We lost against Hydra due to the depth and a wrong plan in the endgame >> >> >>What do you mean that you lost due to the depth. >>Did Ruffian need another ply to avoid the losing blunder? >> >>Uri > > > >Ruffian reaches ply 18 easily here, but it still clings on to gxh4. It needs >play 19 to see that things are not peachy. (BTW, Hydra was doing a 20 ply search >here.) But I doubt that a single CPU version of Ruffian could actually avoid >the move at the Leiden time controls anyway. As already pointed out some other >programs also go for the pawn. What does Movei do? > >Djordje Movei also plays gxh4 and cannot get depth 18 easily here(only depth 13 after few minutes on P850). It believes that black is slightly better but does not see something better than gxh4. depth=13 -0.13 g3h4 f5f4 c3c2 f6f5 b6c4 e5d7 c4d6 f5e5 b3b4 d7c5 c2c5 e5d6 c5c7 d6c7 b4c4 Nodes: 32705524 NPS: 176120 Time: 00:03:05.70 Movei of today still does not use hash tables for pruning so it cannot search very deep in the endgame. Uri
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