Author: Mike Byrne
Date: 21:16:21 07/02/03
Go up one level in this thread
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>
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