Author: Uri Blass
Date: 07:00:59 08/14/02
Go up one level in this thread
On August 14, 2002 at 08:55:03, Slater Wold wrote: >On August 14, 2002 at 03:22:54, Uri Blass wrote: > >>On August 14, 2002 at 01:01:57, Slater Wold wrote: >> >>>White(1): setboard 8/8/3pR1P1/2k5/8/1p1b4/7K/8 b - - 0 67 >>>Black(1): go >>>end-game phase >>> clearing hash tables >>> time surplus 0.00 time limit 3:00 (3:00) >>> nss depth time score variation (1) >>>starting thread 1 >>> (4) 8-> 0.39 0.01 1. ... Bxg6 2. Rxg6 <HT> >>> (3) 9 0.48 0.01 1. ... Bxg6 2. Rxg6 <HT> >>> (4) 9-> 0.73 0.01 1. ... Bxg6 2. Rxg6 <HT> >>> (3) 10 0.97 0.01 1. ... Bxg6 2. Rxg6 <HT> >>> (4) 10-> 1.67 0.01 1. ... Bxg6 2. Rxg6 <HT> >>> (3) 11 1.70 0.01 1. ... Bxg6 2. Rxg6 <HT> >>> (4) 11-> 3.55 0.01 1. ... Bxg6 2. Rxg6 <HT> >>> (3) 12 3.55 0.01 1. ... Bxg6 2. Rxg6 <HT> >>> (4) 12-> 7.45 0.01 1. ... Bxg6 2. Rxg6 <HT> >>> (3) 13 7.53 0.01 1. ... Bxg6 2. Rxg6 <HT> >>> 13 21.12 ++ 1. ... b2!! >>> 13-> 2:49 -0.38 1. ... b26 >>> time=3:00 cpu=307% mat=1 n=242037717 fh=94% nps=1342k >>> ext-> chk=29936339 cap=78644 pp=227271 1rep=1144737 mate=32723 >>> predicted=0 nodes=242037717 evals=21110434 >>> endgame tablebase-> probes done=239240 successful=53187 >>> SMP-> split=778 stop=81 data=9/32 cpu=9:13 elap=3:00 >>> >>>Black(1): b2 >>> time used: 3:00 >>> >>>#1 - You should see b2 wins pretty much immediatly. Sure, 21.12 seconds isn't >>>bad, but imagine this on a PIII 600! -0.38 isn't very convincing either. >> >>I disagree. >> >>seeing that b2 is winning is not an easy task for programs. >> >>Here is some analysis on p850 >>with part of the tablebases(including KR vs KPP) >> >>Junior7 could not see it in a minute(I stopped it so I do not know if it is >>faster than Crafty) when Deep Fritz also needed time >>(faster than Crafty but Crafty is only an amateur) >> >>My crafty also needs depth 14 to find it under chessbase gui >>and I do not find that amateurs like Comet are better and >>at least CometB27 that is not very old >>could not find it in 3 minutes when Crafty could do it. >> >>New position >>8/8/3pR1P1/2k5/8/1p1b4/7K/8 b - - 0 1 >> >>Analysis by Junior 7: >> >>1...b2 2.g7 Bh7 3.Re1 b1Q 4.Rxb1 >> µ (-1.10) Depth: 3 00:00:00 >>1...b2 2.g7 Bh7 3.Re1 b1Q 4.Rxb1 >> µ (-1.10) Depth: 6 00:00:00 1kN >>1...b2 2.g7 Bh7 3.Re1 Kd4 4.Rb1 Kc3 5.Kg3 >> ² (0.29) Depth: 9 00:00:00 54kN >>1...Bxg6 2.Rxg6 >> = (0.00) Depth: 9 00:00:00 61kN, tb=3 >>1...Bxg6 2.Rxg6 >> = (0.00) Depth: 12 00:00:00 81kN, tb=23 >>1...Bxg6 2.Rxg6 >> = (0.00) Depth: 15 00:00:01 802kN, tb=285 >>1...Bxg6 2.Rxg6 >> = (0.00) Depth: 17 00:00:11 8955kN, tb=1077 >>1...Bxg6 2.Rxg6 >> = (0.00) Depth: 19 00:01:00 51656kN, tb=6118 >> >>(blass, tel-aviv 14.08.2002) >> >>New position >>8/8/3pR1P1/2k5/8/1p1b4/7K/8 b - - 0 1 >> >>Analysis by Deep Fritz: >> >>1...Bxg6-- >> +- (1.41) Depth: 1/3 00:00:00 >>1...Bxg6-- >> +- (1.41) Depth: 1/3 00:00:00 >>1...b2! >> = (0.19) Depth: 1/3 00:00:00 >>1...b2! >> ³ (-0.34) Depth: 1/3 00:00:00 >>1...b2 2.g7 >> = (-0.13) Depth: 2/5 00:00:00 >>1...b2 2.g7 Bh7 >> = (0.12) Depth: 3/8 00:00:00 >>1...Bf5! >> = (0.06) Depth: 3/8 00:00:00 >>1...Bf5! 2.Rf6 >> = (0.03) Depth: 3/8 00:00:00 >>1...Bc4! >> = (0.00) Depth: 3/8 00:00:00 >>1...Bc4! 2.Re8 >> = (-0.25) Depth: 3/8 00:00:00 >>1...Bc4 2.Re1 b2 3.Kg3 >> = (-0.09) Depth: 4/8 00:00:00 >>1...Bc4 2.Re1 b2 3.Kg3 Kd4 >> = (-0.25) Depth: 5/10 00:00:00 1kN >>1...b2! >> ³ (-0.28) Depth: 5/10 00:00:00 2kN >>1...b2! 2.g7 >> ³ (-0.56) Depth: 5/12 00:00:00 2kN >>1...b2-- >> = (-0.25) Depth: 6/12 00:00:00 3kN >>1...b2-- 2.g7 Bh7 3.Re1 Bg8 4.Kg3 >> = (0.19) Depth: 6/13 00:00:00 5kN >>1...Bc4! >> = (0.00) Depth: 6/13 00:00:00 6kN >>1...Bc4! 2.Re1 b2 3.g7 Kd4 4.Rg1 >> = (0.09) Depth: 6/13 00:00:00 6kN >>1...Bc4 2.Re1 Kd4 3.Rd1+ Ke5 4.g7 b2 >> = (0.12) Depth: 7/16 00:00:00 12kN, tb=1 >>1...b2! >> = (0.09) Depth: 7/16 00:00:00 13kN, tb=1 >>1...b2! 2.g7 Bh7 3.Re1 Kc4 4.Rb1 Kc3 >> = (0.06) Depth: 7/17 00:00:00 17kN, tb=1 >>1...b2-- >> ² (0.37) Depth: 8/19 00:00:00 44kN, tb=3 >>1...b2-- >> ² (0.37) Depth: 8/19 00:00:00 45kN, tb=3 >>1...Bc4! >> ² (0.34) Depth: 8/19 00:00:00 46kN, tb=3 >>1...Bc4! 2.Re1 d5 3.g7 d4 4.Kg3 b2 5.Kf4 >> ² (0.28) Depth: 8/19 00:00:00 52kN, tb=3 >>1...Bf5! >> = (0.25) Depth: 8/19 00:00:00 55kN, tb=5 >>1...Bf5! 2.Rf6 Bxg6 3.Rxg6 >> = (0.00) Depth: 8/19 00:00:00 57kN, tb=5 >>1...Bf5 2.Rf6 Bxg6 3.Rxg6 >> = (0.00) Depth: 9/17 00:00:00 73kN, tb=12 >>1...Bf5 2.Rf6 Bxg6 3.Rxg6 >> = (0.00) Depth: 10/18 00:00:00 127kN, tb=36 >>1...Bf5 2.Rf6 Bxg6 3.Rxg6 >> = (0.00) Depth: 11/20 00:00:00 259kN, tb=62 >>1...Bf5 2.Rf6 Bxg6 3.Rxg6 >> = (0.00) Depth: 12/22 00:00:01 558kN, tb=114 >>1...Bf5 2.Rf6 Bxg6 3.Rxg6 >> = (0.00) Depth: 13/25 00:00:02 1493kN, tb=214 >>1...Bf5 2.Rf6 Bxg6 3.Rxg6 >> = (0.00) Depth: 14/27 00:00:06 4040kN, tb=481 >>1...Bf5 2.Rf6 Bxg6 3.Rxg6 >> = (0.00) Depth: 15/30 00:00:15 10401kN, tb=1046 >>1...b2! >> = (0.12) Depth: 15/30 00:00:20 13175kN, tb=1688 >>1...b2! 2.g7 Bh7 3.Re1 Kc4 4.Kg3 Kb3 5.Kg4 Ka2 6.Re2 Ka1 7.Re1+ >> -+ (-1.44) Depth: 15/33 00:00:31 21436kN, tb=2108 >> >>(blass, tel-aviv 14.08.2002) >> >>New position >>8/8/3pR1P1/2k5/8/1p1b4/7K/8 b - - 0 1 >> >>Analysis by Crafty 18.15: >> >>1...b2 2.g7 b1Q 3.g8Q >> +- (1.53) Depth: 1/3 00:00:00 >>1...b2 2.g7 b1Q 3.g8Q >> +- (1.53) Depth: 2/6 00:00:00 >>1...b2 2.g7 b1Q 3.g8Q >> ± (1.13) Depth: 3/9 00:00:00 >>1...b2 2.g7 Bh7 3.g8Q Bxg8 >> µ (-1.15) Depth: 3/9 00:00:00 >>1...b2 2.g7 b1Q 3.g8Q Qc2+ 4.Kg3 d5 >> +- (1.47) Depth: 4/9 00:00:00 >>1...Bxg6 2.Rxg6 >> = (0.01) Depth: 4/9 00:00:00 >>1...Bxg6 2.Rxg6 >> = (0.01) Depth: 5/11 00:00:00 >>1...Bxg6 2.Rxg6 >> = (0.01) Depth: 6/13 00:00:00 11kN, tb=15 >>1...Bxg6 2.Rxg6 >> = (0.01) Depth: 7/15 00:00:00 19kN, tb=27 >>1...Bxg6 2.Rxg6 >> = (0.01) Depth: 8/16 00:00:00 51kN, tb=55 >>1...Bxg6 2.Rxg6 >> = (0.01) Depth: 9/19 00:00:00 156kN, tb=100 >>1...Bxg6 2.Rxg6 >> = (0.01) Depth: 10/21 00:00:02 452kN, tb=239 >>1...Bxg6 2.Rxg6 >> = (0.01) Depth: 11/23 00:00:10 976kN, tb=414 >>1...Bxg6 2.Rxg6 >> = (0.01) Depth: 12/27 00:00:14 2648kN, tb=766 >>1...Bxg6 2.Rxg6 >> = (0.01) Depth: 13/29 00:00:22 6593kN, tb=1513 >>1...Bxg6 2.Rxg6 >> = (0.01) Depth: 14/31 00:01:45 20303kN, tb=4876 >>1...b2 >> ³ (-0.39) Depth: 14/31 00:02:40 48439kN, tb=9504 >> >>(blass, tel-aviv 14.08.2002) >> >>New position >>8/8/3pR1P1/2k5/8/1p1b4/7K/8 b - - 0 1 >> >>Analysis by Comet B27: >> >>1...Bxg6 2.Rxg6 >> ± (0.75) Depth: 1/3 00:00:00 >>1...b2 >> -+ (-2.19) Depth: 1/6 00:00:00 >>1...b2 2.g7 b1R >> -+ (-1.90) Depth: 2/7 00:00:00 >>1...b2 2.g7 Bf5 >> = (-0.06) Depth: 2/7 00:00:00 >>1...Bf5 2.Re8 >> ³ (-0.52) Depth: 2/7 00:00:00 >>1...Bf5 2.Kg3 >> µ (-0.83) Depth: 2/7 00:00:00 >>1...Bf5 2.Re3 Bd3 >> = (-0.10) Depth: 3/8 00:00:00 >>1...Bc4 2.Re4 Bg8 >> µ (-0.82) Depth: 3/9 00:00:00 >>1...b2 2.g7 Bh7 3.Re1 >> µ (-1.02) Depth: 3/9 00:00:00 >>1...b2 2.g7 Bh7 3.Re1 >> = (-0.06) Depth: 3/9 00:00:00 >>1...Bc4 2.Re4 >> µ (-0.82) Depth: 3/9 00:00:00 >>1...Bc4 2.Re4 d5 3.Re3 >> ³ (-0.26) Depth: 4/12 00:00:00 >>1...Bf5 2.Re3 b2 3.g7 Bh7 4.Rb3 >> ³ (-0.63) Depth: 4/12 00:00:00 >>1...b2 2.g7 Bh7 3.Re1 d5 >> µ (-1.17) Depth: 4/12 00:00:00 >>1...b2 2.g7 Bh7 3.Re1 d5 >> µ (-1.17) Depth: 4/12 00:00:00 >>1...b2 2.g7 Bh7 3.Re1 d5 >> µ (-1.17) Depth: 5/12 00:00:00 11kN >>1...b2 2.g7 Bh7 3.Re1 d5 4.Rb1 >> ³ (-0.34) Depth: 6/12 00:00:00 17kN >>1...Bf5 2.Re3 Kd5 3.g7 b2 4.g8Q+ Kc5 >> µ (-1.03) Depth: 6/13 00:00:00 23kN >>1...Bf5 2.Re3 Kd5 3.g7 b2 4.g8Q+ Kc5 >> µ (-0.76) Depth: 6/14 00:00:00 36kN >>1...Bf5 2.Re3 Kd5 3.g7 b2 4.g8Q+ Kc5 >> ³ (-0.49) Depth: 6/14 00:00:00 41kN >>1...Bf5 2.Re3 Kd5 3.g7 b2 4.g8Q+ Kc5 >> = (-0.22) Depth: 6/14 00:00:00 45kN >>1...b2 2.g7 Bh7 3.Re1 d5 4.Rb1 >> ³ (-0.34) Depth: 6/14 00:00:00 48kN >>1...b2 2.g7 b1Q 3.g8Q Qg1+ 4.Qxg1+ Kd5 >> = (-0.20) Depth: 7/14 00:00:00 58kN >>1...b2 2.g7 Bh7 3.Re1 Be4 4.Rxe4 >> = (0.07) Depth: 7/16 00:00:00 88kN >>1...Bf5 2.Re3 Bxg6 3.Rxb3 >> = (0.00) Depth: 7/16 00:00:00 126kN >>1...Bf5 2.Rf6 Bxg6 3.Rxg6 >> = (0.00) Depth: 8/16 00:00:01 174kN >>1...b2 2.g7 b1Q 3.g8Q Bf5 4.Re3 >> = (-0.13) Depth: 8/16 00:00:01 192kN >>1...b2 2.g7 b1Q 3.g8Q Bf1 4.Qc8+ Kd5 >> = (-0.13) Depth: 8/16 00:00:01 204kN >>1...b2 2.g7 b1Q 3.g8Q Qb2+ 4.Qg2 Qxg2+ 5.Kxg2 >> = (0.00) Depth: 9/17 00:00:01 331kN >>1...b2 2.g7 b1Q 3.g8Q Bf5 4.Rxd6 Kxd6 5.Qd8+ Bd7 6.Qf6+ Be6 7.Qf8+ >> = (0.00) Depth: 10/20 00:00:03 1008kN >>1...b2 2.g7 b1Q 3.g8Q Qb2+ 4.Kg3 Kd5 >> = (0.14) Depth: 11/20 00:00:09 2053kN >>1...Bf5 2.Rf6 Bxg6 3.Rxg6 >> = (0.00) Depth: 11/20 00:00:10 2223kN >>1...Bf5 2.Rf6 Bxg6 3.Rxg6 >> = (0.00) Depth: 12/22 00:00:13 2982kN >>1...Bf5 2.Rf6 Bxg6 3.Rxg6 >> = (0.00) Depth: 13/23 00:00:24 6689kN >>1...Bf5 2.Rf6 Bxg6 3.Rxg6 >> = (0.00) Depth: 14/25 00:01:01 13676kN >> >>(blass, tel-aviv 14.08.2002) >> >> >>> >>>#2 - What's up with 13-> 2:49 -0.38 1. ... b26 <//==- that? >>> >>>#3 - Any reason you can see why Crafty would take *forver* (even after this >>>move) to see the win? >> >>The win is not simple without the relevant knowledge >>that most programs do not have. >> >>Uri > >I only have 2 programs installed on my PC now, Crafty and DJ7. > >DJ7 saw it pretty quickly (on my system), I think somewhere around 10 seconds. > Interesting because Junior7 on my system could not see it in a reasonable time. Uri
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