Author: Uri Blass
Date: 11:31:57 07/07/04
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On July 07, 2004 at 08:48:06, Joachim Rang wrote: >On July 07, 2004 at 08:45:14, Luis Smith wrote: > >>Would someone mind posting the position and an evaluation from an engine from >>this game? I don't have the resources to do it at the moment. > > > >Deep Sjeng - Movei [B07] >WCCC 2004 Bar-Ilan (4), 07.07.2004 >[Wccc2004] > >1.e4 c6 2.d4 d6 3.Sc3 Sf6 4.f4 Da5 5.Ld3 e5 6.Sf3 exd4 7.Sxd4 Le7 8.Sf3 0-0 >9.0-0 Sbd7 10.Le3 Sc5 11.Dd2 Te8 12.Tab1 Sxd3 13.cxd3 b6 14.Tbc1 Sg4 15.Sd1 La6 >16.Dxa5 bxa5 17.Se1 c5 18.Ld2 Lf6 19.Lxa5 Ld4+ 20.Kh1 Txe4 21.dxe4 Lxf1 22.Sf3 >Ld3 23.Sxd4 cxd4 24.Tc6 Lxe4 25.Tc4 f5 26.Txd4 d5 27.Kg1 Kf7 28.Lc3 Td8 29.Sf2 >Td7 30.Sxg4 fxg4 31.Ta4 Tc7 32.Kf2 Kg6 33.g3 Kf5 34.Ke3 Te7 35.Ta6 Lf3+ Line > >slight advantage for white, but looks very drawish. > >regards Joachim I can say that humans simply do not know to evaluate positions with opposite colour bishops and they tend too much to evaluate them as a draw. I remember that in the israeli league Rebel rejected a draw offer from an FM and won opposite colour bishop endgame when rooks were on the board. With no rooks it is right to claim that it is often a draw. I prefer to claim nothing when rooks are on the board. I analyzd even theposition before 32...Kg6 and it is hard for black to defend it It is possible that movei blundered by Nxg4 I will check later but maybe reducing the panelty for doublepawns from 0.2 pawns to 0.15 pawns caused movei to blunder. I did it because I noticed that other programs have smaller panelty and results in tests against itself were slightly positive for panelty of 0.15 pawns but I am not sure if it was justified. Uri
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