Author: Slater Wold
Date: 05:55:03 08/14/02
Go up one level in this thread
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. This is a position where humans go, "Easy win!" And I think computers should too. ;) Hossa sees it with no problems.
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