Author: Uri Blass
Date: 10:19:55 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 Here is some analysis with Deep Fritz(p800,48 Mbytes hash) after Ke1 that seems to me better than Kg1. Fritz does not see the advantage of black at depth 16 and if c5 is the right move it does not see black as better even at depth 17. New position 1n3bk1/5p2/p1p1p1p1/Pr1bPq1p/Rp1P1P2/1P1N2P1/1R2Q2P/B3K3 b - - 0 1 Analysis by Deep Fritz: 1...Nd7 2.Qe3 c5 3.Raa2 cxd4 4.Qxd4 Be7 ² (0.69) Depth: 6/19 00:00:00 15kN 1...Nd7 2.Qe3 c5 3.Raa2 cxd4 4.Qxd4 Be7 ² (0.69) Depth: 6/19 00:00:00 15kN 1...Nd7 2.Qe3 c5 3.Raa2 cxd4 4.Qxd4 Be7 ² (0.69) Depth: 6/19 00:00:00 15kN 1...Nd7 2.Qe3 c5 3.Raa2 cxd4 4.Qxd4 Be7 ² (0.69) Depth: 6/19 00:00:00 15kN 1...Nd7 2.Qe3 c5 3.Raa2 cxd4 4.Qxd4 Be7 ² (0.69) Depth: 6/19 00:00:00 15kN 1...Nd7 2.Qe3 c5 3.Raa2 cxd4 4.Qxd4 Be7 ² (0.69) Depth: 6/19 00:00:00 15kN 1...Nd7 2.Qe3 c5 3.Raa2 cxd4 4.Qxd4 Be7 ² (0.69) Depth: 6/19 00:00:00 15kN 1...Nd7 2.Qe3 c5 3.Raa2 cxd4 4.Qxd4 Be7 ² (0.69) Depth: 6/19 00:00:00 15kN 1...Nd7 2.Qe3 c5 3.Raa2 cxd4 4.Qxd4 Be7 ² (0.69) Depth: 6/19 00:00:00 15kN 1...Nd7 2.Qe3 c5 3.Raa2 cxd4 4.Qxd4 Be7 ² (0.69) Depth: 6/19 00:00:00 15kN 1...Nd7 2.Qe3 c5 3.Raa2 cxd4 4.Qxd4 Be7 ² (0.69) Depth: 6/19 00:00:00 15kN 1...Nd7 2.Qe3 c5 3.Raa2 cxd4 4.Qxd4 Be7 ² (0.69) Depth: 6/19 00:00:00 15kN 1...Nd7 2.Qe3 c5 3.Raa2 cxd4 4.Qxd4 Be7 ² (0.69) Depth: 6/19 00:00:00 15kN 1...Nd7 2.Kd2 c5 3.dxc5 Nxc5 4.Nxc5 Bxc5 5.Kc1 Bd4 ² (0.50) Depth: 7/24 00:00:00 82kN 1...Nd7 2.Nc1 c5 3.Rc2 h4 4.Bb2 h3 5.dxc5 Bxc5 ² (0.56) Depth: 8/27 00:00:00 239kN 1...Nd7 2.Kd2 Kg7 3.Kd1 c5 4.dxc5 Bxc5 5.Kc1 Bd4 6.Rba2 ² (0.50) Depth: 9/26 00:00:01 605kN 1...Nd7 2.Nc1 c5 3.Rd2 Be7 4.Bb2 Bd8 5.Qd3 Qxd3 6.Rxd3 Bxa5 7.dxc5 ² (0.47) Depth: 10/31 00:00:02 1656kN 1...Nd7 2.Nc1 c5 3.Rd2 Be7 4.Bb2 Bd8 5.Qd3 Qxd3 6.Rxd3 Bxa5 7.dxc5 ² (0.47) Depth: 11/32 00:00:04 2602kN 1...Nd7 2.Nc1 c5 3.Rba2 Be7 4.Qc2 Be4 5.Qd1 Bd5 6.Qc2 Be4 7.Qd1 ² (0.41) Depth: 12/35 00:00:12 6833kN 1...Nd7 2.Kd2 c5 3.dxc5 Be4 4.Raa2 Nxc5 5.Nxc5 Bxc5 6.Ke1 Bd5 ² (0.41) Depth: 13/35 00:00:28 16560kN 1...Nd7 2.Kd2 c5 3.dxc5 Be4 4.Raa2 Nxc5 5.Nxc5 Bxc5 6.Ra4 Kg7 7.Kd1 ² (0.37) Depth: 14/36 00:00:53 31532kN 1...Nd7 2.Nc1 c5 3.Rd2 Be7 4.Bb2 Bd8 5.Ra2 Bxa5 6.Rd1 Qb1 ² (0.44) Depth: 15/43 00:06:09 230644kN 1...c5! ² (0.41) Depth: 15/43 00:07:40 291985kN 1...c5! 2.dxc5 Nd7 3.Nxb4 Nxc5 4.Nxd5 exd5 5.Rd4 Nxb3 6.Qxb5 ² (0.34) Depth: 15/43 00:09:13 359163kN 1...c5 2.dxc5 Nd7 3.Nxb4 Nxc5 4.Nxd5 exd5 5.Rd4 Nxb3 6.Rd1 Nxa1 7.Rxa1 = (0.12) Depth: 16/45 00:14:05 550783kN 1...c5 2.dxc5 Nd7 3.Nxb4 Nxc5 4.Nxd5 exd5 5.Rd4 Nxb3 6.Rd1 Nxa1 7.Rxa1 = (0.06) Depth: 17/44 00:28:42 1137356kN (Blass, Tel-aviv 10.08.2002) Uri
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.