Author: Enrique Irazoqui
Date: 03:36:13 03/05/01
Go up one level in this thread
On March 04, 2001 at 22:53:23, Bruce Moreland wrote: >I'm interested in seeing more information about Fritz' solution. That's an >amazing time. > >bruce On a dual P933 with 512MB hash: Badai,B - Study 8/1p6/p4p1p/2p1P2k/5P2/6pP/1P4P1/6K1 w - - 0 1 Analysis by DEEP FRITZ : 1.e6 Kg6 2.f5+ Kg7 3.Kf1 = (0.00) Depth: 4/6 00:00:00 1.e6 Kg6 2.f5+ Kg7 3.Kf1 = (0.00) Depth: 4/6 00:00:00 1.e6 Kg6 2.f5+ Kg7 3.Kf1 = (0.00) Depth: 4/6 00:00:00 1.e6 Kg6 2.f5+ Kg7 3.Kf1 = (0.00) Depth: 4/6 00:00:00 1.e6 Kg6 2.f5+ Kg7 3.Kf1 = (0.00) Depth: 4/6 00:00:00 1.e6 Kg6 2.f5+ Kg7 3.Kf1 = (0.00) Depth: 4/6 00:00:00 1.e6 Kg6 2.f5+ Kg7 3.Kf1 = (0.00) Depth: 4/6 00:00:00 1.e6 Kg6 2.f5+ Kg7 3.Kf1 = (0.00) Depth: 4/6 00:00:00 1.e6 Kg6 2.f5+ Kg7 3.Kf1 = (0.00) Depth: 4/6 00:00:00 1.e6 Kg6 2.f5+ Kg7 3.Kf1 = (0.00) Depth: 4/6 00:00:00 1.e6 Kg6 2.f5+ Kg7 3.Kf1 = (0.00) Depth: 4/6 00:00:00 1.e6 Kg6 2.f5+ Kg7 3.Kf1 b6 = (-0.19) Depth: 5/7 00:00:00 1.e6 Kg6 2.f5+ Kg7 3.Kf1 b6 4.Ke2 = (-0.09) Depth: 6/9 00:00:00 1.e6 Kg6 2.f5+ Kg7 3.Kf1 Kf8 4.Ke2 Ke7 = (-0.03) Depth: 7/10 00:00:00 2kN 1.e6 Kg6 2.f5+ Kg7 3.Kf1 Kf8 4.Ke2 Ke7 5.Ke3 = (0.00) Depth: 8/12 00:00:00 3kN 1.e6 Kg6 2.f5+ Kg7 3.Kf1 Kf8 4.Ke2 h5 5.Kf3 h4 = (0.16) Depth: 9/12 00:00:00 7kN 1.e6 Kg6 2.f5+ Kg7 3.Kf1 h5 4.Ke2 h4 5.Kf3 b6 6.Kg4 = (0.13) Depth: 10/14 00:00:00 15kN 1.e6 Kg6 2.f5+ Kg7 3.Kf1 a5 4.Ke2 c4 5.Ke3 b5 6.Kf4 c3 ² (0.41) Depth: 11/16 00:00:00 28kN 1.e6 Kg6 2.f5+ Kg7 3.Kf1 a5 4.Ke2 Kf8 5.Ke3 h5 6.Kf4 h4 = (0.25) Depth: 12/17 00:00:00 54kN 1.e6 Kg6 2.f5+ Kg7 3.Kf1 a5 4.Ke2 Kf8 5.Ke3 c4 6.Ke4 b5 ² (0.34) Depth: 13/19 00:00:00 90kN 1.e6-- = (0.03) Depth: 14/20 00:00:00 140kN 1.e6-- Kg6 2.f5+ Kg7 3.Kf1 a5 4.Ke2 Kf8 5.Ke3 b5 6.h4 c4 = (-0.03) Depth: 14/21 00:00:00 174kN 1.e6 Kg6 2.f5+ Kg7 3.Kf1 a5 4.Ke2 a4 5.Ke3 b5 6.Ke4 c4 = (0.16) Depth: 15/22 00:00:00 304kN 1.e6-- = (0.00) Depth: 16/26 00:00:00 459kN 1.e6-- = (0.00) Depth: 16/26 00:00:00 556kN 1.e6 Kg6 2.f5+ Kg7 3.Kf1 a5 4.Ke2 b5 5.Kd3 Kf8 6.Ke4 a4 ³ (-0.41) Depth: 17/27 00:00:01 1003kN 1.e6-- µ (-0.72) Depth: 18/28 00:00:01 1538kN 1.e6-- Kg6 2.f5+ Kg7 3.Kf1 a5 4.Ke2 b5 5.Kd3 a4 6.h4 b4 µ (-0.81) Depth: 18/28 00:00:02 1824kN 1.f5! µ (-0.78) Depth: 18/33 00:00:03 2628kN 1.f5! fxe5 2.h4 c4 3.Kf1 e4 4.Ke2 b5 5.Ke3 b4 6.Kf4 Kxh4 = (0.06) Depth: 18/35 00:00:03 2902kN 1.f5! ² (0.38) Depth: 19/36 00:00:03 3190kN 1.f5! fxe5 2.h4 c4 3.Kf1 e4 4.Ke2 b5 5.Ke3 b4 ² (0.41) Depth: 19/36 00:00:04 3370kN 1.f5! ± (0.72) Depth: 20/39 00:00:05 4730kN 1.f5! fxe5 2.h4 c4 3.Kf1 b5 4.Ke2 b4 5.Kf3 Kxh4 6.f6 c3 ± (0.78) Depth: 20/39 00:00:06 5290kN 1.f5! ± (1.09) Depth: 21/40 00:00:09 8059kN 1.f5! fxe5 2.h4 c4 3.Kf1 b5 4.Ke2 e4 5.Ke3 b4 6.Kxe4 c3 +- (1.56) Depth: 21/40 00:00:10 9116kN 1.f5! +- (1.88) Depth: 22/44 00:00:14 13729kN 1.f5! fxe5 2.h4 c4 3.Kf1 b5 4.Ke2 e4 5.Ke3 b4 6.Kxe4 a5 +- (3.19) Depth: 22/44 00:00:16 15499kN 1.f5-- +- (2.88) Depth: 23/35 00:00:23 21580kN, tb=6 1.f5-- fxe5 2.h4 c4 3.Kf1 b5 4.Ke2 e4 5.Ke3 b4 6.Kxe4 c3 +- (2.63) Depth: 23/44 00:00:25 24507kN, tb=7 1.f5! +- (2.94) Depth: 24/45 00:00:38 36790kN, tb=32 1.f5! fxe5 2.h4 c4 3.Kf1 b5 4.Ke2 e4 5.Ke3 b4 6.Kxe4 a5 +- (4.44) Depth: 24/45 00:00:45 43383kN, tb=39 1.f5! +- (4.75) Depth: 25/46 00:01:12 70672kN, tb=182 1.f5! fxe5 2.h4 c4 3.Kf1 b5 4.Ke2 e4 5.Ke3 b4 6.Kxe4 c3 +- (5.88) Depth: 25/47 00:01:29 87402kN, tb=191 1.f5 fxe5 2.h4 c4 3.Kf1 b5 4.Ke2 e4 5.Ke3 b4 6.Kxe4 c3 +- (5.84) Depth: 26/49 00:02:11 132947kN, tb=700 1.f5 fxe5 2.h4 c4 3.Kf1 b5 4.Ke2 e4 5.Ke3 b4 6.Kxe4 c3 +- (5.94) Depth: 27/50 00:03:45 239983kN, tb=2172 (Irazoqui, Cadaqués 05.03.2001) >On March 04, 2001 at 12:28:24, Enrique Irazoqui wrote: > >>On March 04, 2001 at 12:05:53, Sune Larsson wrote: >> >>> >>> [D]8/1p6/p4p1p/2p1P2k/5P2/6pP/1P4P1/6K1 w - - 0 1 >>> >>> Badai, 1962 >>> >>> A clean cut pawn ending this time, 5 versus 6 pawns. But white >>> to move and win. This is a rare flower and not a normal ending. >>> A Swedish IM once told me that he had studied and learned all >>> there is about pawn endings. And that he now *knew* them all. >>> As in the stories he then went out to play an important team match, >>> faced a complicated (right!) pawn ending - and lost it. They can >>> be real tricky. This one is about taking squares instead of pawns - >>> taking space instead of material. Mind you - a pawn down in a normal >>> ending is mostly a loss. And here white moves for the win. >>> The solution is further down. >>> >>> Test: White to move and win. 1) Can your program find the win? >>> 2) How much time needed? >>> >>> Sune >> >>I knew this one. Time to see f5 on a dual P933: >> >>Deep Shredder 125'' >>Deep Fritz 3'' >>Tigers 23'' >>Shredder 5 201'' >>Goliath light 169'' >>Junior 6a 102'' >>Junior 7 beta >300'' >>Gandalf 4.32h 97'' >>Nimzo 8 >300'' >>Crafty 18.01 24'' >>Hiarcs 7.32 >300'' >>SOS 54'' >> >>Enrique >> >>> >>> >>> >>> >>> >>> >>> >>> >>>Badai,B >>>Shajmati, 1962 >>> >>>1.f5 fxe5 2.h4 c4 3.Kf1 a5 4.Ke2 a4 [4...e4 5.Ke3 a4 6.Kf4 c3 7.Kxg3 c2 8.Kh3 >>>c1Q 9.g4#] 5.Kf3 c3 [5...Kxh4 6.f6] 6.Kxg3 cxb2 7.Kh3 b1Q 8.g4# 1-0
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