Author: blass uri
Date: 05:13:13 06/16/99
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On June 16, 1999 at 07:41:12, Harald Faber wrote: >On June 16, 1999 at 05:20:52, blass uri wrote: > >>>>I know the Mchess result, and of course I'm happy as larry. What happened then, >>>>was it a real blunder/bug, or a horizon thing? >>> >>>It was certainly a horizon. In that position there was no way out, MCP just >>>needed some more time/plys to realize that the end is near. >>>I have seen this several times, programs have problems evaluating passed pawns. >>>Anyway, MCP is not the only one... :-) >> >>I looked at the game and did not see +3 evaluation. >> >>what was the losing mistake of MCP in this game? > >Who knows? Maybe ...Ne3 wasn't correct? > >>can you post the relevant position or the number of move (I am not going to >>analyze every move from the end of the game for a long time to discover it) >>Uri > >Francesca - MChess >WCCC99 Paderborn (3), 15.06.1999 > >1.e4 e6 2.d4 d5 3.Sc3 Lb4 4.e5 c5 5.a3 Lxc3+ 6.bxc3 Se7 7.Dg4 Dc7 8.Dxg7 Tg8 >9.Dxh7 cxd4 10.Se2 Sbc6 11.f4 Ld7 12.Dd3 dxc3 13.Le3 d4 14.Sxd4 Sxd4 15.Lxd4 Lc6 >16.Dxc3 Sd5 17.Dd2 Tg4 18.Le2 Txg2 19.Tg1 Txg1+ 20.Lxg1 0-0-0 21.Td1 Tg8 22.Lf2 >La4 23.Tb1 Td8 24.c4 Se7 25.Dc3 Sd5 26.Df3 Se7 27.Tb4 Lc6 28.De3 b6 29.Db3 Dd7 >30.Dc2 Sf5 31.c5 b5 32.Dd1 De8 33.Dc2 Dd7 34.Da2 Lb7 35.Dc2 Dc6 36.Lf1 Df3 37.c6 >Se3 38.cxb7+ Kb8 39.Lxe3 Dxe3+ 40.De2 Dc1+ 41.Kf2 Td2 42.h3 Txe2+ 43.Lxe2 a6 >44.Lf3 Dxa3 45.Te4 Dc5+ 46.Kg3 b4 47.Te1 a5 48.Td1 Dc7 49.h4 Ka7 50.h5 a4 51.h6 >f6 52.Td4 De7 53.Tc4 fxe5 54.Tc8 Dxb7 55.Lxb7 1-0 > >Oops, sorry, it is copy&paste via CB7 in German notation. Hope you get it >anyway. Fail-low was after 49.h4 or 50.h5, don't remember exactly. From ply to >ply the eval dropped from +3.xx or even +4.xx down to -12 or so... >Anyway the position was lost. I looked at the position after 49.h4 with Junior5.4 and with hiarcs7 and I do not see a sign for 3.xx advantageor even 1.xx advantage for black. The evaluation after few minutes with Junior is 0.35 pawns for black and it suggests 49...b3. Uri
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