Author: John Merlino
Date: 18:13:43 08/10/02
Go up one level in this thread
On August 10, 2002 at 12:26:16, Uri Blass wrote: >On August 10, 2002 at 11:42:08, Kurt Utzinger wrote: > >>On August 10, 2002 at 05:14:37, Kurt Utzinger wrote: >> >>>On August 10, 2002 at 04:29:29, Uri Blass wrote: >>> >>>>On August 10, 2002 at 03:37:15, Kurt Utzinger wrote: >>>> >>>>>[D]1n3bk1/5p2/p1p1p1p1/Pr1bPq1p/Rp1P1P2/1P1N2P1/1R2QK1P/B7 w - - 0 37 >>>>>Nimzo 7.32 vs Aristarch 4.4 (2) >>>>>P3 650/32 hash, ponder=off, 40'/40, 3-4 men TB's >>>>>Position after 36...h5 the beginning of Blacks counter-attack >>>> >>>>Movei suggests at depth 13 >>>>37.Ke1 Be7 38.Kd1 Nd7 with evaluation of 1.09 pawns for white. >>>> >>>>I prefer black's position but I am not sure if white is helpless. >>>> >>>>Uri >>> >>>Hi Uri >>>I am going to have a more deep look at this game. Analasyis to follow later. >>>Regards >>>Kurt >> >>Hi Uri >>I made the following interesting experiment and are pleased to be able to >>demonstrate that White's position after 36...h5 is indeed rather critical and >>perhaps even lost. I took Fritz7008 and Aristarch 4.4 and let them play the next >>moves for at least 10 min, sometimes 20 min or just so long to be sure that >>evaluation and main line is stable. And as you can see from the analysis below >>(Ath 1.2/32 MB hash) White's position has become worse from move to move. >>Kurt >> >>Nimzo 7.32 - Aristarch 4.4 >>1n3bk1/5p2/p1p1p1p1/Pr1bPq1p/Rp1P1P2/1P1N2P1/1R2QK1P/B7 w - - 0 1 >> >>Analysis by Fritz 7: >> >> >>37.Kg1 Nd7 38.Nc1 f6 39.exf6 Nxf6 40.Raa2 Ne4 41.Rc2 h4 42.Qe1 g5 >> = (0.13) Depth: 14/41 00:01:37 60975kN >> = (0.00) Depth: 16/44 00:10:36 406813kN >> >>(Utzinger, MyTown 10.08.2002) > >I see that Fritz does not understand this position. > >g1 is a bad place for the white king. >I do not know if white can save the game but the move of movei(ke1) >seems to me more logical. > >King at g1 when black's queen controls h3 and black has a bishop at d5 seems >very dangerous. > >Fritz's score went down after Kg1 and it may be interesting to know if it keeps >Kg1 or find a better move after some hours of analysis. > >Uri Chessmaster 9000, on a PIII-733, initially agrees with Fritz, and takes a long time to see that Kg1 is not good, and even longer to find something better: Time Depth Score Positions Moves 0:00 1/6 0.79 41054 37.Kg1 Nd7 38.Nc1 c5 39.Rd2 Bg7 0:01 1/7 0.69 90857 37.Kg1 Nd7 38.Qe3 c5 39.Nf2 cxd4 40.Qxd4 Nc5 41.Rxb4 Rxa5 0:03 1/8 0.86 217917 37.Kg1 Nd7 38.Ne1 c5 39.Nc2 Bg7 40.Ne3 Qe4 41.Nxd5 Qxd5 0:07 1/9 0.58 539583 37.Kg1 Nd7 38.Nc1 Bg7 39.Rc2 Bf3 40.Qf2 Qe4 41.Raa2 0:20 1/10 0.68 1489087 37.Kg1 Nd7 38.Nc1 Bg7 39.Qd3 Qh3 40.Qf1 Qf5 41.Raa2 c5 42.Rd2 0:52 2/11 0.53 3898760 37.Kg1 c5 38.dxc5 Nc6 39.Qe3 Nxa5 40.Rxb4 Nxb3 41.Rxb5 axb5 42.Ra2 Nxc5 3:05 3/12 0.28 14463567 37.Kg1 c5 38.Nxc5 Nc6 39.Nd7 Nxd4 40.Qd1 Nf3+ 41.Kf2 Be7 42.Rc2 Kg7 43.Rc8 Nxh2 8:09 4/13 -0.01 38159939 37.Kg1 c5 38.Nxc5 Nc6 39.Nd7 Nxd4 40.Qd1 Nf3+ 41.Kf2 Be7 42.Rc2 Qh3 43.Rc8+ Kg7 44.Nf6 Qxh2+ 45.Ke3 Bxf6 46.exf6+ Kh7 18:54 4/13 0.26 89541621 37.Raa2 Nd7 38.Nc1 f6 39.exf6 Nxf6 40.Kg1 Be4 41.Rd2 Bb1 42.Ra4 Be4 43.Nd3 Rxa5 44.Rxa5 Qxa5 jm
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