Author: Uri Blass
Date: 07:05:14 12/27/01
Go up one level in this thread
On December 27, 2001 at 09:01:53, Torstein Hall wrote: >On December 27, 2001 at 08:26:18, Uri Blass wrote: > >>On December 27, 2001 at 08:11:39, Uri Blass wrote: >> >>>On December 26, 2001 at 17:32:14, Sune Larsson wrote: >>> >>>>On December 26, 2001 at 17:10:35, Martin Müller wrote: >>>> >>>>>Hi all, >>>>> >>>>>here the game: >>>>> >>>>> >>>>> >>>>>Shredder 6 - Plaskett,GM [E21] >>>>>26.12.2001 >>>>>[Müller,Martin] >>>>> >>>>>800MB, LINKS >>>>> 1.Sf3 Sf6 2.c4 e6 3.Sc3 Lb4 4.d4 b6 5.Dc2 Lb7 6.a3 Le4 7.Dd1 Lxc3+ 8.bxc3 d6 >>>>>9.e3 c5 10.Le2 0-0 11.0-0 Sc6 12.Lb2 De7 13.Sd2 Lg6 14.Tc1 Tac8 15.Te1 Sa5 >>>>>16.Sb3 Sxb3 17.Dxb3 e5 18.Da4 h5 19.Lf3 Se4 20.Le2 f5 21.Tcd1 Tc7 22.Ld3 Sf6 >>>>>23.Dc2 e4 24.Le2 Lf7 25.Tc1 Tfc8 26.Da4 Dd7 27.Db3 Le8 28.Da2 Da4 29.Ld1 Da6 >>>>>30.Le2 Lf7 31.d5 Le8 32.Tcd1 La4 33.Td2 Te8 34.h3 Tce7 35.Lf1 Dc8 36.Tde2 Kh7 >>>>>37.Td2 g5 38.Db1 Kh6 39.Lc1 Tg8 40.Le2 De8 41.Tb2 Kg7 42.Ld2 Kh8 43.Tf1 Ld7 >>>>>(Tc7) 44.Dc2 -0.82/13 1:51 Teg7 (g4) 45.Tbb1 -1.02/12 1:41 De5 (f4) 46.Lc1 >>>>> -1.40/12 48 h4 47.Kh1 -3.11/14 1:09 g4 48.hxg4 -2.16/13 15 Sxg4 49.Lxg4 >>>>> -1.97/14 0 Txg4 50.Tg1 -3.34/14 1:38 Dg7 (Le8) 51.De2 -2.81/14 30 Le8 >>>>>52.Df1 -4.40/14 14 Lh5 53.Ld2 -4.64/15 51 Dh7 (Df6) 54.Kh2 -4.39/14 1:12 >>>>> Tg3 55.Te1 -4.85/14 33 Lf3 56.gxf3 -5.33/17 0 Txg1 (exf3) 57.Dxg1 >>>>>-4.27/15 17 Txg1 58.Txg1 -4.57/16 0 exf3 59.e4 -4.64/16 9 fxe4 (De7) >>>>>60.Tg4 -4.48/15 1:05 0-1 >>>> >>>> >>>> What a lesson! Shredder was totally chanceless here... >>>> >>>> Sune >>> >>> >>>I was interested to know what was the losing material >>>move of shredder so I tried yace(only material) version to go >>>backward in order to find out the losing mistake. >>> >>>The values of material that yace knows are: >>>Queen=10.01,Rook=5,Bishop=3.5,Knight=3.4,Pawn=0.8 >>> >>>Here is some analysis of yace after learning that the game >>>positions were not good: >>> >>>Yace seems to say that 45.R2b1 was losing material when >>>45.Be1 was better. >>> >>>Yace also believes that later moves in the game >>>(46.Bc1 and 47.Kh1) were blunders but maybe >>>it simply cannot see deep enough becaue it has no game to learn >>>that 45.Be1,46.Rfe1,47.f3 are also bad. >>> ><LARGE SNIP> >I think it is obvious that the game was gone for white at move 45. No improvment >in 45.Be1 eg. 45...f4 etc. etc. >I think white in a "higher sence" lost at the move 7.Qd1. I think 7.Qd2 Bxc3 >8.Qxc3 0-0 is about equal and white is not stuck with the bad double pawn. >Should give Shredder a better chanse to play the position. > >Torstein I agree that white is losing after 45.Be1 I do not believe that white is losing after 7.Qd1 and shredder simply did not play well. Yace original version prefers 45.f3 that seems to be better and not 45.Be1 I agree that black's position is better even after 45.f3 because shredder did many bad moves in the game (for example it seems that playing both 19.Bf3 and 20.Be2 cannot be correct). I guess that yace (only material) can see that 45.Be1 is losing material at depth 17. Here is yace(only material) opinion after 45.Be1 f4 New game - Deep Fritz 4q1rk/p2b2r1/1p1p1n2/2pP2pp/2P1pp2/P1P1P2P/1RQ1BPP1/4BRK1 w - - 0 1 Analysis by Yace 0.99.56: 46.exf4 gxf4 = (0.10) Depth: 1 00:00:05 46.exf4 gxf4 = (0.10) Depth: 2 00:00:05 46.exf4 gxf4 47.Ra2 Bxh3 ³ (-0.70) Depth: 3 00:00:05 46.exf4 gxf4 47.Qc1 ³ (-0.70) Depth: 3 00:00:05 46.f3 fxe3 47.fxe4 Nxe4 48.Bxh5 Qxh5 49.Qxe4 = (0.00) Depth: 3 00:00:05 46.f3 fxe3 47.fxe4 Nxe4 = (0.00) Depth: 3 00:00:05 46.Bd1 fxe3 47.fxe3 = (0.10) Depth: 3 00:00:05 46.Bd1 fxe3 47.fxe3 Rf8 48.Qc1 = (0.10) Depth: 4 00:00:05 46.Bd1 fxe3 47.fxe3 Rf8 48.Qc1 Nh7 = (0.10) Depth: 5 00:00:05 5kN 46.Bd1 fxe3 47.fxe3 Rf8 48.Qc1 Nh7 49.Rxf8+ Nxf8 = (0.10) Depth: 6 00:00:05 13kN 46.Bd1 fxe3 47.fxe3 Rf8 48.Qc1 Nh7 49.Rxf8+ Nxf8 50.Bd2 = (0.10) Depth: 7 00:00:05 48kN 46.Bd1 fxe3 47.fxe3 Rf8 48.Qc1 Nh7 49.Rxf8+ Nxf8 50.Bd2 Ba4 = (0.10) Depth: 8 00:00:05 77kN 46.Bd1 fxe3 47.fxe3 Rf8 48.Qc1 Nh7 49.Rxf8+ Nxf8 50.Bd2 Ba4 51.Bxa4 Qxa4 = (0.10) Depth: 9 00:00:06 397kN 46.Bd1 fxe3 47.fxe3 Rf8 48.Qc1 Nh7 49.Rxf8+ Nxf8 50.Bd2 Ba4 51.Bxa4 Qxa4 52.Qf1 = (0.10) Depth: 10 00:00:07 742kN 46.Bd1 fxe3 47.fxe3 Rf8 48.Qc1 Nh7 49.Rxf8+ Nxf8 50.Bd2 Ba4 51.Bxa4 Qxa4 52.Qf1 Rg8 = (0.10) Depth: 11 00:00:17 6559kN 46.Bd1 f3 47.Kh1 Qc8 48.gxf3 exf3 49.Bxf3 Bxh3 50.Rg1 Bf5 51.Qxf5 Qxf5 52.Kh2 ³ (-0.30) Depth: 12 00:00:26 11855kN 46.Bd1 f3 47.Bd2 g4 48.h4 g3 49.gxf3 Bh3 50.Qc1 Bxf1 51.Kxf1 gxf2 52.Kxf2 ³ (-0.60) Depth: 12 00:00:34 16490kN 46.Kh1 fxe3 47.fxe3 Ng4 48.hxg4 hxg4 ³ (-0.59) Depth: 12 00:01:18 41758kN 46.Kh1 fxe3 47.fxe3 Ba4 48.Qc1 Nh7 49.Kg1 Qg6 50.Bd2 Qe8 51.Kh1 Rf8 52.Rxf8+ Nxf8 = (0.10) Depth: 12 00:01:34 50681kN 46.Kh1 fxe3 47.fxe3 Ba4 48.Qc1 Nh7 49.Kg1 Qg6 50.Bd2 Qe8 51.Kh1 Rf8 52.Rxf8+ Nxf8 53.Kg1 = (0.10) Depth: 13 00:02:48 94326kN 46.Kh1 f3 47.gxf3 exf3 48.Bxf3 g4 49.Be2 gxh3 50.Bd3 Bg4 51.Be2 Bd7 = (0.00) Depth: 14 00:04:33 156528kN 46.Kh1 f3 47.gxf3 exf3 48.Bxf3 g4 49.Be2 gxh3 50.Bd3 Nxd5 51.cxd5 h2 52.Kxh2 Rg2+ 53.Kh1 Qe5 54.f4 Rxc2 55.Bxc2 Qxd5+ 56.Kh2 ³ (-0.40) Depth: 15 00:07:55 269165kN 46.Kh1 f3 47.gxf3 exf3 48.Bxf3 g4 49.Bd1 gxh3 50.f3 Qxe3 51.Qf2 Qf4 52.Qh4 Qc1 53.Ra2 µ (-0.80) Depth: 15 00:09:44 330285kN (Blass, Tel-aviv 27.12.2001) Uri
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