Author: Dann Corbit
Date: 08:45:27 07/03/03
Go up one level in this thread
On July 03, 2003 at 00:16:21, Mike Byrne wrote: >On July 03, 2003 at 00:13:59, Mike Byrne wrote: > >>normal search identifies Bd3 and Bh3 as mates .... >> >>White(1):[d] 8/8/2Kp4/3P1B2/2P2k2/5p2/8/8 w - - bm Bc8; id "WAC146"; >>White(1): st 120 >>search time set to 120.00. >>White(1): go >>end-game phase >> clearing hash tables >> time surplus 0.00 time limit 2:00 (2:00) >> depth time score variation (1) >> 4 0.00 ++ 1. Bh3!! >> 4 0.00 2.62 1. Bh3 Kg3 2. Bf1 Kf2 >> 4-> 0.00 2.62 1. Bh3 Kg3 2. Bf1 Kf2 >> 5 0.00 2.68 1. Bh3 Ke5 2. c5 dxc5 3. Kxc5 >> 5-> 0.02 2.68 1. Bh3 Ke5 2. c5 dxc5 3. Kxc5 >> 6 0.02 -- 1. Bh3 >> 6 0.02 2.27 1. Bh3 Kg3 2. Bf1 Kf2 3. c5 Kxf1 4. >> cxd6 >> 6 0.04 ++ 1. Bd3!! >> 6 0.04 4.99 1. Bd3 Ke5 2. c5 f2 3. cxd6 Kf6 >> 6-> 0.04 4.99 1. Bd3 Ke5 2. c5 f2 3. cxd6 Kf6 >> 7 0.05 5.35 1. Bd3 Ke5 2. c5 f2 3. cxd6 Kf6 4. >> Bf1 >> 7-> 0.07 5.35 1. Bd3 Ke5 2. c5 f2 3. cxd6 Kf6 4. >> Bf1 >> 8 0.08 5.45 1. Bd3 Ke5 2. c5 f2 3. cxd6 Kf6 4. >> Bf1 Kf7 >> 8-> 0.10 5.45 1. Bd3 Ke5 2. c5 f2 3. cxd6 Kf6 4. >> Bf1 Kf7 >> 9 0.10 ++ 1. Bd3!! >> 9 0.11 6.89 1. Bd3 Ke5 2. c5 Kf6 3. Kxd6 Kf7 4. >> c6 Ke8 5. Bf5 >> 9-> 0.15 6.89 1. Bd3 Ke5 2. c5 Kf6 3. Kxd6 Kf7 4. >> c6 Ke8 5. Bf5 >> 10 0.15 ++ 1. Bd3!! >> 10 0.25 11.30 1. Bd3 Ke3 2. Bf1 Kd4 3. Kxd6 Kc3 4. >> c5 Kd2 5. c6 Ke3 >> 10-> 0.25 11.30 1. Bd3 Ke3 2. Bf1 Kd4 3. Kxd6 Kc3 4. >> c5 Kd2 5. c6 Ke3 >> 11 0.30 11.68 1. Bd3 Ke3 2. Bf1 Kd4 3. Kxd6 Kc3 4. >> Kc7 Kd2 5. d6 Ke3 6. d7 >> 11 0.41 11.69 1. Bh3 Kg3 2. Bf1 Kf4 3. Kxd6 Ke4 4. >> c5 Kd4 5. Ke6 Ke3 6. d6 <HT> >> 11-> 0.41 11.69 1. Bh3 Kg3 2. Bf1 Kf4 3. Kxd6 Ke4 4. >> c5 Kd4 5. Ke6 Ke3 6. d6 <HT> (s=2) >> 12 0.50 11.82 1. Bh3 Kg3 2. Bf1 Kf4 3. Kxd6 Ke4 4. >> c5 Kd4 5. c6 Ke3 6. c7 Ke4 >> 12 0.57 ++ 1. Bd3!! >> 12 3.11 17.81 1. Bd3 Kg3 2. c5 Kf4 3. cxd6 Ke3 4. >> d7 Kd4 5. d8=Q Ke3 6. Bf1 <HT> >> 12-> 3.11 17.81 1. Bd3 Kg3 2. c5 Kf4 3. cxd6 Ke3 4. >> d7 Kd4 5. d8=Q Ke3 6. Bf1 <HT> >> 13 3.36 ++ 1. Bd3!! >> 13 3.94 19.43 1. Bd3 Kg3 2. c5 Kf4 3. cxd6 Ke3 4. >> d7 Kd4 5. d8=Q Ke3 6. Qf8 Kd4 7. d6 >> 13-> 3.96 19.43 1. Bd3 Kg3 2. c5 Kf4 3. cxd6 Ke3 4. >> d7 Kd4 5. d8=Q Ke3 6. Qf8 Kd4 7. d6 >> 14 6.05 19.74 1. Bd3 Kg3 2. c5 Kf4 3. cxd6 Ke3 4. >> d7 Kd4 5. d8=Q Ke3 6. Qb6+ Kf4 7. Qd4+ >> Kg3 8. Qg7+ Kf4 9. d6 >> 14-> 6.10 19.74 1. Bd3 Kg3 2. c5 Kf4 3. cxd6 Ke3 4. >> d7 Kd4 5. d8=Q Ke3 6. Qb6+ Kf4 7. Qd4+ >> Kg3 8. Qg7+ Kf4 9. d6 >> 15 6.18 ++ 1. Bd3!! >> 15 28.61 Mat51 1. Bd3 Ke3 2. c5 Kxd3 3. cxd6 <EGTB> >> 15 49.68 Mat44 1. Bh3 Kg3 2. Bf1 Kf4 3. c5 Kf5 4. >> cxd6 Ke4 5. d7 Kd4 6. Be2 f2 7. Bd3 >> Kxd3 <HT> >> 15-> 49.68 Mat44 1. Bh3 Kg3 2. Bf1 Kf4 3. c5 Kf5 4. >> cxd6 Ke4 5. d7 Kd4 6. Be2 f2 7. Bd3 >> Kxd3 <HT> (s=2) >> 16 51.18 Mat41 1. Bh3 Kg3 2. Bf1 Kf2 3. c5 Kxf1 4. >> cxd6 <EGTB> >> 16-> 52.94 Mat41 1. Bh3 Kg3 2. Bf1 Kf2 3. c5 Kxf1 4. >> cxd6 <EGTB> (s=2) >> 17 55.13 Mat41 1. Bh3 Kg3 2. Bf1 Kf2 3. c5 Kxf1 4. >> cxd6 <EGTB> >> 17-> 59.85 Mat41 1. Bh3 Kg3 2. Bf1 Kf2 3. c5 Kxf1 4. >> cxd6 <EGTB> (s=4) >> 18 1:02 Mat41 1. Bh3 Kg3 2. Bf1 Kf2 3. c5 Kxf1 4. >> cxd6 <EGTB> (s=3) >> 18 1:08 ++ 1. Bc8!! >> time=2:00 cpu=104% mat=3 n=71443260 fh=98% nps=595k >> ext-> chk=8546017 cap=30316 pp=489664 1rep=344798 mate=6 >> predicted=0 nodes=71443260 evals=20390716 >> endgame tablebase-> probes done=30543 successful=30543 >> SMP-> split=1245 stop=112 data=8/32 cpu=2:05 elap=2:00 > >of course Bc8 may bethe fastest mate > >White(1): 8/8/2Kp4/3P1B2/2P2k2/5p2/8/8 w - - bm Bc8; id "WAC146"; >White(1): search Bc8 >White(1): st 300 >search time set to 300.00. >White(1): go >end-game phase > time surplus 0.00 time limit 5:00 (5:00) > depth time score variation (1) > 5 0.00 1.94 1. Bc8 f2 2. Bh3 Ke5 3. Bf1 > 5-> 0.00 1.94 1. Bc8 f2 2. Bh3 Ke5 3. Bf1 > 6 0.00 ++ 1. Bc8!! > 6 0.01 4.23 1. Bc8 Ke5 2. Bh3 Kf6 3. Kxd6 f2 > 6-> 0.01 4.23 1. Bc8 Ke5 2. Bh3 Kf6 3. Kxd6 f2 > 7 0.01 4.35 1. Bc8 Ke5 2. Bh3 f2 3. Bf1 Kd4 4. > Kxd6 > 7-> 0.01 4.35 1. Bc8 Ke5 2. Bh3 f2 3. Bf1 Kd4 4. > Kxd6 > 8 0.03 ++ 1. Bc8!! > 8 0.06 4.87 1. Bc8 f2 2. Bh3 Kg5 3. c5 Kg6 4. Kxd6 > Kf6 > 8-> 0.06 4.87 1. Bc8 f2 2. Bh3 Kg5 3. c5 Kg6 4. Kxd6 > Kf6 > 9 0.09 5.07 1. Bc8 f2 2. Bh3 Kg3 3. Bf1 Kf4 4. > c5 Ke5 5. cxd6 > 9-> 0.09 5.07 1. Bc8 f2 2. Bh3 Kg3 3. Bf1 Kf4 4. > c5 Ke5 5. cxd6 > 10 0.12 5.35 1. Bc8 f2 2. Bh3 Kg3 3. Bf1 Kf4 4. > c5 Ke5 5. cxd6 Kf6 > 10-> 0.12 5.35 1. Bc8 f2 2. Bh3 Kg3 3. Bf1 Kf4 4. > c5 Ke5 5. cxd6 Kf6 > 11 0.14 ++ 1. Bc8!! > 11 0.23 6.52 1. Bc8 f2 2. Bh3 Kg3 3. Bf1 Kf4 4. > Kxd6 Kg5 5. Ke6 Kg6 6. d6 > 11-> 0.23 6.52 1. Bc8 f2 2. Bh3 Kg3 3. Bf1 Kf4 4. > Kxd6 Kg5 5. Ke6 Kg6 6. d6 > 12 0.34 ++ 1. Bc8!! > 12 0.39 11.77 1. Bc8 f2 2. Bh3 Kg3 3. Bf1 Kf4 4. > Kxd6 Kg3 5. c5 Kh2 6. c6 Kg1 > 12-> 0.39 11.77 1. Bc8 f2 2. Bh3 Kg3 3. Bf1 Kf4 4. > Kxd6 Kg3 5. c5 Kh2 6. c6 Kg1 > 13 0.47 ++ 1. Bc8!! > 13 1.95 12.37 1. Bc8 f2 2. Bh3 Kg3 3. Bf1 Kh2 4. > Kxd6 Kg1 5. Kc5 Kh2 6. d6 Kg3 7. Kc6 > 13-> 1.95 12.37 1. Bc8 f2 2. Bh3 Kg3 3. Bf1 Kh2 4. > Kxd6 Kg1 5. Kc5 Kh2 6. d6 Kg3 7. Kc6 > 14 2.59 12.45 1. Bc8 f2 2. Bh3 Kg3 3. Bf1 Kf4 4. > Kxd6 Kg3 5. c5 <HT> > 14-> 2.59 12.45 1. Bc8 f2 2. Bh3 Kg3 3. Bf1 Kf4 4. > Kxd6 Kg3 5. c5 <HT> > 15 2.78 ++ 1. Bc8!! > 15 7.20 15.11 1. Bc8 f2 2. Bh3 Kg3 3. Bf1 Kf4 4. > c5 Ke5 5. cxd6 Kf6 6. d7 Kf7 7. d8=Q > Kg7 8. Qb6 Kf6 9. Qxf2+ > 15-> 7.20 15.11 1. Bc8 f2 2. Bh3 Kg3 3. Bf1 Kf4 4. > c5 Ke5 5. cxd6 Kf6 6. d7 Kf7 7. d8=Q > Kg7 8. Qb6 Kf6 9. Qxf2+ > 16 7.84 ++ 1. Bc8!! > 16 11.65 18.52 1. Bc8 f2 2. Bh3 Kg3 3. Bf1 Kf4 4. > c5 Kg3 5. cxd6 Kh2 6. d7 Kh1 7. d8=Q > Kg1 8. Bh3 Kh2 9. Bf1 > 16-> 11.65 18.52 1. Bc8 f2 2. Bh3 Kg3 3. Bf1 Kf4 4. > c5 Kg3 5. cxd6 Kh2 6. d7 Kh1 7. d8=Q > Kg1 8. Bh3 Kh2 9. Bf1 > 17 13.22 ++ 1. Bc8!! > 17 15.14 20.43 1. Bc8 f2 2. Bh3 Kg3 3. Bf1 Kf4 4. > c5 Kg3 5. cxd6 Kf4 6. d7 Ke3 7. d8=Q > Kd2 8. Qg5+ Kc2 9. d6 Kd1 10. Qe5 > 17-> 15.14 20.43 1. Bc8 f2 2. Bh3 Kg3 3. Bf1 Kf4 4. > c5 Kg3 5. cxd6 Kf4 6. d7 Ke3 7. d8=Q > Kd2 8. Qg5+ Kc2 9. d6 Kd1 10. Qe5 > 18 18.23 ++ 1. Bc8!! > 18 25.01 Mat21 1. Bc8 f2 2. Bh3 Kg3 3. Bf1 Kh2 4. > c5 Kg1 5. Ba6 Kh2 6. cxd6 Kg1 7. d7 > Kh1 8. d8=Q Kg1 9. Bf1 Kxf1 <EGTB> > 18-> 25.01 Mat21 1. Bc8 f2 2. Bh3 Kg3 3. Bf1 Kh2 4. > c5 Kg1 5. Ba6 Kh2 6. cxd6 Kg1 7. d7 > Kh1 8. d8=Q Kg1 9. Bf1 Kxf1 <EGTB> > 19 31.53 Mat21 1. Bc8 f2 2. Bh3 Kg3 3. Bf1 Kh2 4. > c5 Kg1 5. Ba6 Kh2 6. cxd6 Kg1 7. d7 > Kh1 8. d8=Q Kg2 9. Qg5+ Kf3 10. Qg3+ > Kxg3 11. Kc5 <EGTB> > 19-> 31.53 Mat21 1. Bc8 f2 2. Bh3 Kg3 3. Bf1 Kh2 4. > c5 Kg1 5. Ba6 Kh2 6. cxd6 Kg1 7. d7 > Kh1 8. d8=Q Kg2 9. Qg5+ Kf3 10. Qg3+ > Kxg3 11. Kc5 <EGTB> This is from the cleaned up WAC test set WACNEW.EPD. Those busts have been known for several years now. [D]8/8/2Kp4/3P1B2/2P2k2/5p2/8/8 w - - bm Bc8 Bd3 Bh3; id "WAC.146";
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.