Author: bobby palacios
Date: 17:37:10 02/17/03
Go up one level in this thread
On February 17, 2003 at 19:04:16, Jorge Pichard wrote: >On February 17, 2003 at 18:58:49, Jorge Pichard wrote: > >>This Gem of a desperate trap was was played by Bogoljubow with the black pieces >>against Alekhine. Position after Black's 39th move where the trap was set up by >>Bogoljubow hoping to end up with an extra bishop. Nowadays top computer programs >>will NOT fall for this desparate trap, since they are all too >>materialistics and almost 99.9% will play 40.a5 which will also win, but >>Alekhine decides to walk into the trap and proves that this is the quickest way >>to WIN! >> >>[D]R7/5pk1/pb3rp1/3p3p/PP1N4/2PK2P1/7P/8 w - - >> >>40.RxP! BxKt >>41.RxR BxR winning back the rook with an extra Bishop >>42.P-R5...Now the extra Bishop is unable to stop the two passed Pawns. >> >>If for instance, 42.....B-Q1, THEN SIMPLY 43.K-Q4, FOLLOWED BY KxQP, K-B6, etc. >> >>Pichard p4 2.47ghz, 256mb hash Analysis by Hiarcs 8: 1.Rxa6 +- (2.22) Depth: 1 00:00:00 1.Rxa6 Bxd4 = (-0.05) Depth: 2/8 00:00:00 1.Rxa6 Bxd4 2.Rxf6 Bxf6 ³ (-0.63) Depth: 2/8 00:00:00 1.b5 axb5 2.axb5 ± (0.79) Depth: 2/10 00:00:00 1.b5 axb5 2.axb5 ± (0.79) Depth: 3/10 00:00:00 1.b5 axb5 2.axb5 Rf2 3.Ra6 ± (0.95) Depth: 4/12 00:00:00 1.b5 axb5 2.axb5 Rf2 3.Ra6 Bxd4 4.Kxd4 Rb2 ± (0.82) Depth: 5/13 00:00:00 4kN 1.a5 Bc7 2.Ra7 Be5 3.Re7 ± (0.86) Depth: 5/16 00:00:00 6kN 1.a5 Bc7 2.Ra7 Bb8 3.Rd7 Rd6 ± (0.86) Depth: 6/16 00:00:00 11kN 1.a5 Bc7 ± (1.11) Depth: 7/16 00:00:00 21kN 1.a5 Bc7 2.b5 axb5 3.Nxb5 Be5 4.Rd8 Rf3+ 5.Ke2 +- (1.46) Depth: 7/16 00:00:00 25kN 1.a5 Bc7 2.b5 Bxa5 3.bxa6 g5 4.a7 Ra6 5.h3 +- (1.41) Depth: 8/17 00:00:00 60kN 1.a5 Bc7 2.b5 Bxa5 3.bxa6 Bc7 4.a7 Ra6 5.Nb5 Be5 ± (1.23) Depth: 9/20 00:00:00 144kN 1.a5 Bc7 2.b5 Bxa5 3.bxa6 Bc7 4.a7 Ra6 5.Nc6 Bb6 6.h3 ± (1.27) Depth: 10/22 00:00:01 417kN 1.a5 Bc7 2.Ra7 Be5 3.Rd7 Rf2 4.Rxd5 f6 5.b5 axb5 6.Rxb5 Rxh2 7.Nf3 +- (1.49) Depth: 11/26 00:00:04 1077kN 1.a5 Bc7 2.b5 Bxa5 3.bxa6 h4 4.g4 Rb6 5.a7 Ra6 6.Nc6 Bb6 7.g5 +- (1.58) Depth: 12/28 00:00:09 2281kN 1.a5 Bc7 2.Ra7 Be5 3.Rd7 Bxd4 4.Kxd4 Rf2 +- (1.48) Depth: 13/28 00:00:23 5159kN 1.a5 Bc7 2.b5 Bxa5 3.bxa6 g5 4.Nb5 Bb6 5.Re8 Rf3+ 6.Kc2 Kf6 7.Rh8 Kg6 8.a7 Rf2+ 9.Kb3 +- (1.58) Depth: 14/35 00:01:07 15500kN 1.a5 Bc7 +- (1.83) Depth: 15/37 00:03:20 47319kN 1.a5 Bc7 +- (1.83) Depth: 15/37 00:03:38 51713kN 1.Rxa6 Bxd4 2.Rxf6 Bxf6 3.a5 Be5 4.b5 Bd6 5.Kd4 h4 6.b6 hxg3 7.hxg3 Bxg3 8.Kxd5 +- (2.13) Depth: 15/38 00:05:10 76888kN 1.Rxa6 Bxd4 2.Rxf6 Bxf6 3.a5 Bd8 4.Kd4 f5 5.Kxd5 g5 6.a6 Bb6 7.c4 f4 8.c5 Ba7 9.gxf4 gxf4 10.b5 +- (2.34) Depth: 16/39 00:08:00 121683kN Junior7, S7 and F8 couldn't find Rxa6 within 10 minutes on my machine
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.