Author: Uri Blass
Date: 14:20:37 11/21/03
Go up one level in this thread
On November 21, 2003 at 17:18:46, Dann Corbit wrote: >On November 21, 2003 at 17:13:49, ALI MIRAFZALI wrote: > >>In the following interesting position it takes over 19 hours for Chessmaster >>9000 (default)on my 1.8 gig computer to avoid 15..hxg5 and choose 15..Rac8. >>It is my guess that Fritz and Junior will not solve this. >>[D]r2r2k1/ppq1bpp1/2bppn1p/6B1/3NPP1P/2N5/PPPQ2P1/1K1RR3 b >>Analysis by Chessmaster 9000(default Personality): >>Time Depth Score Positions Moves >>0:02 1/9 -1.38 356913 15...hxg5 16.hxg5 Ne8 17.g6 Bf6 >> 18.Ncb5 Qd7 19.Nxc6 bxc6 20.gxf7+ >> Qxf7 >>0:07 1/10 -1.23 1021400 15...hxg5 16.hxg5 Nd7 17.g6 Nc5 >> 18.gxf7+ Kxf7 19.f5 e5 20.Nxc6 >> bxc6 21.Qe2 >>0:28 2/11 -1.13 3883272 15...hxg5 16.hxg5 Nh7 17.g6 Nf6 >> 18.gxf7+ Kxf7 19.f5 exf5 20.exf5 >> Kg8 21.Qe2 Re8 >>1:03 3/12 -1.08 9118689 15...hxg5 16.hxg5 Ne8 17.Qe3 g6 >> 18.Qh3 Bf8 19.f5 exf5 20.exf5 Bg7 >> 21.Nxc6 bxc6 22.fxg6 fxg6 >>2:53 4/13 -0.81 26353616 15...hxg5 16.hxg5 Ne8 17.Rh1 g6 >> 18.Qd3 Bf8 19.f5 exf5 20.exf5 Bg7 >> 21.fxg6 Bxg2 22.Rh7 >>9:47 5/14 -0.59 96074807 15...hxg5 16.hxg5 Ne8 17.Rh1 g6 >> 18.f5 exf5 19.exf5 Qa5 20.Nxc6 >> bxc6 21.fxg6 fxg6 22.Qd4 Ng7 23.Qc4+ >> d5 24.Qxc6 >>41:24 6/15 -0.19 431783244 15...hxg5 16.hxg5 Ne8 17.Rh1 g6 >> 18.f5 exf5 19.exf5 Qa5 20.Nxc6 >> bxc6 21.Qd4 Qe5 22.Qh4 Kf8 23.f6 >> Bxf6 24.gxf6 Nxf6 >>9:17:20 7/16 0.20 1564966390 15...hxg5 16.hxg5 Nxe4 17.Nxe4 >> Bxe4 18.Rxe4 d5 19.Ree1 g6 20.g4 >> Rac8 21.Rh1 Bf8 22.f5 Re8 23.fxg6 >> fxg6 24.Qd3 Qg7 25.Qe3 >>19:06:13 7/16 -0.29 3080132679 15...Rac8 16.g4 Nxg4 17.Rg1 h5 >> 18.Rdf1 Bxg5 19.hxg5 e5 20.Nxc6 >> bxc6 21.Rh1 exf4 22.Qxf4 Ne5 23.Rxh5 >> Qa5 >>Please indicate your result. > > >950 MHz Athlon: > >E:\crafty>Crafty-Smp-1905.exe > >Initializing multiple threads. >System is SMP, not NUMA. >EPD Kit revision date: 1996.04.21 >unable to open book file [./book.bin]. >book is disabled >unable to open book file [./books.bin]. >hash table memory = 192M bytes. >pawn hash table memory = 12M bytes. >EGTB cache memory = 64M bytes. >draw score set to 0.00 pawns. >book file enabled. >choose from book moves randomly (using weights.) >choose from 5 best moves. >book learning enabled >result learning enabled >position learning enabled >threshold set to 9 pawns. >0 piece tablebase files found >EGTB access enabled >using tbpath=e:\crafty\release\tb >0 piece tablebase files found > >Crafty v19.5 (1 cpus) > >White(1): hash 256M >hash table memory = 192M bytes. >White(1): epdpfga \rac8.epd rac8.out >PFGA: EPD record: 1 >middle-game phase > trojan check enabled > clearing hash tables > time surplus 0.00 time limit 22.50 (3:30) > depth time score variation (1) > 5 0.33 0.28 1. ... d5 2. e5 Ne4 3. Nxe4 dxe4 4. > Bxe7 Qxe7 5. Nxc6 bxc6 > 5-> 0.40 0.28 1. ... d5 2. e5 Ne4 3. Nxe4 dxe4 4. > Bxe7 Qxe7 5. Nxc6 bxc6 > 6 0.81 0.52 1. ... d5 2. exd5 Nxd5 3. Nxc6 bxc6 > 4. Bxe7 Qxe7 5. h5 Nxc3+ 6. Qxc3 Rxd1+ > 7. Rxd1 > 6 0.98 0.25 1. ... Rac8 2. f5 e5 3. Nxc6 Qxc6 4. > g4 Qc4 > 6-> 1.28 0.25 1. ... Rac8 2. f5 e5 3. Nxc6 Qxc6 4. > g4 Qc4 > 7 1.54 0.37 1. ... Rac8 2. f5 e5 3. Nxc6 Qxc6 4. > Qf2 Qc5 5. Qg3 > 7-> 2.66 0.37 1. ... Rac8 2. f5 e5 3. Nxc6 Qxc6 4. > Qf2 Qc5 5. Qg3 > 8 3.58 0.31 1. ... Rac8 2. f5 e5 3. Nxc6 Qxc6 4. > Qf2 a6 5. Qg3 b5 > 8-> 5.83 0.31 1. ... Rac8 2. f5 e5 3. Nxc6 Qxc6 4. > Qf2 a6 5. Qg3 b5 > 9 8.28 0.43 1. ... Rac8 2. f5 e5 3. Nxc6 bxc6 4. > Qf2 Qb7 5. Qg3 Rb8 6. b3 > 9 18.95 0.42 1. ... d5 2. e5 Ne4 3. Nxe4 dxe4 4. > Qe2 Bxg5 5. hxg5 Rac8 6. g6 Bd5 7. > gxf7+ Kxf7 > time=22.52 cpu=96% mat=0 n=9918544 fh=86% nps=440k > ext-> chk=45535 cap=33588 pp=2724 1rep=3909 mate=40 > predicted=0 nodes=9918544 evals=3742770 > endgame tablebase-> probes=0 hits=0 > SMP-> split=0 stop=0 data=0/4096 cpu=21.67 elap=22.52 It is known that Crafty does not take in g5 even in case that it is a good idea. It is not because of seeing the tactic. Uri
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