Author: Uri Blass
Date: 11:27:39 06/09/01
Go up one level in this thread
On June 09, 2001 at 13:50:54, Peter Ackermann wrote: >While analyzing a little bit in old tournament books I found the following game >from 1930 olympiad in Hamburg: > >(Richter,K - Abramavicius,L [C11] >Hamburg ol (Men) Hamburg, 1930 >1.d4 d5 2.Nc3 Nf6 3.Bg5 e6 4.e4 dxe4 5.Nxe4 Be7 6.Bxf6 Bxf6 7.Nf3 Nd7 8.Bd3 0–0 >9.Qe2 c5 10.0–0–0 cxd4 11.g4 g6 12.h4 Bg7 13.h5 Re8 14.hxg6 hxg6 15.g5 e5 16.Rh4 >Nf8 17.Rdh1 Bf5 18.Qf1 Rc8 19.Rh8+ Bxh8 20.Rxh8+ Kxh8 21.Qh1+ Nh7 22.Nf6 Kg7 >23.Qh6+ 1–0 > >The "hot" positon arises after move 18 of black where white played a double rock >sacrifice!! > >r1bq1rk1/pp1n1ppp/4pb2/2p5/3PN3/3B1N2/PPP1QPPP/R3K2R w KQ c6 0 10 > >!9.Rxh8+ seems to be a very difficult move to find for any computer program. Any >program to find 19. Rh8+ in a reasonable time?? Would be glad to hear any >successes..... Your position is wrong The right position is: [D]2rqrnkb/pp3p2/6p1/4pbP1/3pN3/3B1N2/PPP2P2/2K2Q1R w - - 0 1 Analysis by Deep Fritz (after showing it the right line and going back): 20.Rxh8+-- -+ (-6.16) Depth: 1/3 00:00:00 20.Rxh8+-- Kxh8 -+ (-7.06) Depth: 1/3 00:00:00 20.c3! -+ (-7.00) Depth: 1/5 00:00:00 20.c3! dxc3 -+ (-6.50) Depth: 1/8 00:00:00 20.Qe2! -+ (-6.28) Depth: 1/8 00:00:00 20.Qe2! -+ (-5.37) Depth: 1/8 00:00:00 20.Qe2 Ne6 -+ (-5.53) Depth: 2/5 00:00:00 20.Qe2 Ne6 21.Kb1 -+ (-5.44) Depth: 3/10 00:00:00 20.Qe2 Ne6 21.Kb1 Nf4 -+ (-5.59) Depth: 4/14 00:00:00 1kN 20.Kb1! -+ (-5.56) Depth: 4/14 00:00:00 2kN 20.Kb1! Ne6 -+ (-5.53) Depth: 4/14 00:00:00 2kN 20.Kb1 Ne6 21.Qe2 Nf4 22.Qd2 -+ (-5.66) Depth: 5/19 00:00:00 12kN 20.Qe2! -+ (-5.62) Depth: 5/19 00:00:00 13kN 20.Qg2! -+ (-5.59) Depth: 5/19 00:00:00 17kN 20.Qg2! Qc7 -+ (-5.56) Depth: 5/19 00:00:00 18kN 20.Rxh8+! -+ (-5.53) Depth: 5/19 00:00:00 25kN 20.Rxh8+! Kxh8 21.Nf6 Kg7 22.Nxe8+ Qxe8 -+ (-5.22) Depth: 5/25 00:00:00 27kN 20.Rxh8+! -+ (-4.91) Depth: 6/18 00:00:00 30kN 20.Rxh8+! Kxh8 21.Nf6 Bg4 22.Nxg4 e4 23.Qh3+ Kg8 -+ (-4.06) Depth: 6/19 00:00:00 34kN 20.Rxh8+! -+ (-3.75) Depth: 7/18 00:00:00 49kN 20.Rxh8+! Kxh8 21.Qh1+ Kg8 22.Nf6+ Qxf6 23.gxf6 Bxd3 ² (0.47) Depth: 7/25 00:00:00 121kN 20.Rxh8+-- = (0.16) Depth: 8/18 00:00:00 131kN 20.Rxh8+-- Kxh8 21.Qh1+ Kg8 22.Nf6+ Qxf6 23.gxf6 = (0.00) Depth: 8/25 00:00:00 172kN 20.Rxh8+! = (0.16) Depth: 9/25 00:00:00 261kN 20.Rxh8+! Kxh8 ² (0.47) Depth: 9/25 00:00:00 309kN 20.Rxh8+-- = (0.16) Depth: 10/22 00:00:00 354kN 20.Rxh8+-- Kxh8 21.Qh1+ Kg8 22.Nf6+ Qxf6 23.gxf6 Bxd3 24.Qh6 = (0.00) Depth: 10/26 00:00:00 476kN 20.Rxh8+! = (0.16) Depth: 11/26 00:00:01 742kN 20.Rxh8+! Kxh8 21.Qh1+ Kg8 22.Nf6+ Qxf6 ² (0.47) Depth: 11/27 00:00:01 894kN 20.Rxh8+-- = (0.16) Depth: 12/27 00:00:01 1153kN 20.Rxh8+-- Kxh8 21.Qh1+ Kg8 22.Nf6+ Qxf6 23.gxf6 Bxd3 24.Qh6 Ne6 25.Ng5 Rxc2+ -+ (-1.84) Depth: 12/29 00:00:02 1850kN 20.Rxh8+! -+ (-1.53) Depth: 13/32 00:00:05 3821kN 20.Rxh8+! Kxh8 21.Qh1+ Kg8 22.Nf6+ Qxf6 23.gxf6 Bxd3 ² (0.47) Depth: 13/34 00:00:07 5229kN 20.Rxh8+-- = (0.16) Depth: 14/31 00:00:09 6871kN 20.Rxh8+-- Kxh8 21.Qh1+ Kg8 22.Nf6+ Qxf6 23.gxf6 Bxd3 24.Qh6 = (-0.03) Depth: 14/34 00:00:14 9940kN 20.Rxh8+! ² (0.28) Depth: 15/34 00:00:27 18827kN 20.Rxh8+! Kxh8 21.Qh1+ Kg8 22.Nf6+ Qxf6 23.gxf6 Rc6 24.Bxf5 Rxf6 25.Be4 b5 ² (0.47) Depth: 15/35 00:00:36 25280kN (Blass, Tel-Aviv 09.06.2001) The score is not convincing and it is clear that black missed a better try. Deep Fritz is more optimistic later but the score is still less than +1 After 20.Rxh8+ Kxh8 21.Qh1+ Kg8 22.Nf6+ Qxf6 23.gxf6 Rc6 24.Bxf5 Rxf6 Deep Fritz shows the following analysis: New game - Deep Fritz [D]4rnk1/pp3p2/5rp1/4pB2/3p4/5N2/PPP2P2/2K4Q w - - 0 1 Analysis by Deep Fritz: 25.Nxd4-- ² (0.41) Depth: 1/4 00:00:00 25.Nxd4-- exd4 -+ (-1.47) Depth: 1/6 00:00:00 25.Be4! = (0.03) Depth: 1/6 00:00:00 25.Be4! b6 26.Qf1 Nd7 27.Qb5 Rd8 28.Qd5 Re6 29.Qc4 Nc5 ± (0.75) Depth: 1/10 00:00:00 25.Be4 b5 26.Qe1 a6 27.Qa5 Rfe6 28.Qc7 Kg7 29.Kd2 Kf6 ± (0.81) Depth: 2/10 00:00:00 25.Be4 Rb6 26.c3 Nd7 ± (0.78) Depth: 3/8 00:00:00 25.Be4 b5 26.Kd2 Rc8 27.Nxe5 Rxf2+ ± (0.78) Depth: 4/12 00:00:00 25.Be4 b5 26.Kd2 Rc8 27.c3 dxc3+ 28.bxc3 ± (0.81) Depth: 5/12 00:00:00 2kN 25.Be4 b6 26.Kd2 Nd7 27.Qh4 Nc5 ± (0.78) Depth: 6/14 00:00:00 9kN 25.Be4 b6 26.Qf1 Nd7 27.Qb5 Rd8 28.Qd3 Nc5 ± (0.78) Depth: 7/15 00:00:00 30kN 25.Be4 b6 26.Qf1 Nd7 27.Qb5 Rd6 28.Kd2 Kf8 ± (0.75) Depth: 8/17 00:00:00 67kN 25.Be4 b6 26.Kd2 Nd7 27.Bd5 Nc5 28.b4 Rd6 29.bxc5 Rxd5 ² (0.63) Depth: 9/22 00:00:00 218kN 25.Bd3! ² (0.66) Depth: 9/23 00:00:00 390kN 25.Bd3! Rf4 26.Ng5 Re7 27.Ne4 Ne6 ² (0.69) Depth: 9/23 00:00:00 448kN 25.Bd3 Rf4 26.Ng5 Re7 27.Ne4 Ne6 ² (0.69) Depth: 10/24 00:00:01 921kN 25.Bd3 Rf4 26.Ng5 Re7 27.Qg2 Rc7 ± (0.72) Depth: 11/26 00:00:03 1918kN 25.Be4! ± (0.75) Depth: 11/27 00:00:04 2593kN 25.Be4! b6 26.Qh2 Rf4 27.Bc6 Re6 28.Bd5 Ref6 29.Qg3 a6 ± (0.78) Depth: 11/27 00:00:04 2813kN 25.Be4 b6 26.Qh2 Nd7 27.Ng5 Nf8 28.Bd5 Rf5 ± (0.75) Depth: 12/28 00:00:06 4174kN 25.Be4 b6 26.Qh2 Kg7 27.Nxe5 Rfe6 28.Ng4 ± (0.75) Depth: 13/29 00:00:17 11365kN 25.Be4 b6 26.Qf1 Re7 27.Qb5 Rfe6 28.Qc4 Rd6 ± (0.78) Depth: 14/32 00:02:21 86854kN (Blass, Tel-Aviv 09.06.2001) Uri > >Greetings Peter
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.