Author: Roy Brunjes
Date: 18:23:27 02/17/03
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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 Here is CM9000 (Personality = Junior) analysis on my Pentium III 500 MHz laptop with 32 MB hashtables: Time Depth Score Positions Moves 0:04 2/10 1.48 268923 1.a5 Bc7 2.b5 Bxa5 3.bxa6 Kh7 4.Nb5 h4 5.Ra7 Rf3+ 6.Ke2 Rf6 0:06 2/10 1.79 426679 1.Rxa6 Bxd4 2.Rxf6 Bxf6 3.a5 h4 4.b5 hxg3 5.hxg3 Be5 6.g4 Bb8 0:07 3/11 1.61 544646 1.Rxa6 Bxd4 2.Rxf6 Bxf6 3.a5 Be5 4.b5 h4 5.b6 hxg3 6.hxg3 Bxg3 7.a6 0:20 4/12 1.85 1420052 1.Rxa6 Bxd4 2.Rxf6 Bxf6 3.a5 Bd8 4.Kd4 h4 5.Kxd5 Bc7 6.Kc6 Bxg3 0:48 5/13 1.96 3547171 1.Rxa6 Bxd4 2.Rxf6 Bxf6 3.a5 Bd8 4.Kd4 h4 5.Kxd5 Bc7 6.a6 hxg3 7.hxg3 Bb8 8.b5 Bxg3 1:58 6/14 1.96 9165269 1.Rxa6 Bxd4 2.Rxf6 Bxf6 3.a5 Bd8 4.Kd4 h4 5.Kxd5 Bc7 6.a6 hxg3 7.hxg3 Bb8 8.b5 Bxg3 Certainly this personality is not as strong as many, but it does play very interesting chess. I don't base that comment on this single position, but rather on a few dozen games vs other programs. Nice position! Alekhine was truly amazing! Roy
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