Author: Slater Wold
Date: 18:01:46 10/18/01
Go up one level in this thread
On October 18, 2001 at 09:14:43, José Antônio Fabiano Mendes wrote:
> L.D.Evans-Haik,London 1978 [unusual and difficult position]
> [D]8/p2P3P/k7/8/8/2q5/6PK/1Q6 b
> "Surprisingly Black can deliver perpetual check or force stalemate."
> Source:"Tactical Chess Endings",by GM John Nunn,page 35
Talk about a bummer..............
EPD Kit revision date: 1996.04.21
found computer opening book file [./bookc.bin].
max threads set to 2
hash table memory = 768M bytes.
pawn hash table memory = 40M bytes.
EGTB cache memory = 32M bytes.
6 piece tablebase files found
26330kb of RAM used for TB indices and decompression tables
choose from 2 best moves.
Crafty v18.12 (2 cpus)
White(1): st 3600
search time set to 3600.00.
White(1): epdpfga drawtest.epd drawtest.out
PFGA: EPD record: 1
end-game phase
clearing hash tables
time surplus 0.00 time limit 60:00 (60:00)
nss depth time score variation (1)
starting thread 1
7 0.14 6.02 1. ... Qe5+ 2. Kh3 Qh5+ 3. Kg3 Qe5+
4. Kg4 Qd4+ 5. Kg5 Qd2+ 6. Kh5 Qd4
7. Qg6+ Kb7 8. g4
7-> 0.16 6.02 1. ... Qe5+ 2. Kh3 Qh5+ 3. Kg3 Qe5+
4. Kg4 Qd4+ 5. Kg5 Qd2+ 6. Kh5 Qd4
7. Qg6+ Kb7 8. g4
8 0.29 5.92 1. ... Qe5+ 2. Kh3 Qh5+ 3. Kg3 Qe5+
4. Kg4 Qd4+ 5. Kg5 Qe3+ 6. Kf6 Qd4+
7. Ke6 Qc4+ 8. Ke5 Qc7+ 9. Ke6 Qd8
8-> 0.33 5.92 1. ... Qe5+ 2. Kh3 Qh5+ 3. Kg3 Qe5+
4. Kg4 Qd4+ 5. Kg5 Qe3+ 6. Kf6 Qd4+
7. Ke6 Qc4+ 8. Ke5 Qc7+ 9. Ke6 Qd8
9 0.63 5.92 1. ... Qe5+ 2. Kh3 Qh5+ 3. Kg3 Qe5+
4. Kg4 Qd4+ 5. Kg5 Qe3+ 6. Kf6 Qd4+
7. Ke6 Qc4+ 8. Ke5 Qc3+ 9. Kd5 Qa5+
10. Ke6 Qd8
9-> 0.72 5.92 1. ... Qe5+ 2. Kh3 Qh5+ 3. Kg3 Qe5+
4. Kg4 Qd4+ 5. Kg5 Qe3+ 6. Kf6 Qd4+
7. Ke6 Qc4+ 8. Ke5 Qc3+ 9. Kd5 Qa5+
10. Ke6 Qd8
10 1.24 5.82 1. ... Qe5+ 2. Kh3 Qh5+ 3. Kg3 Qe5+
4. Kg4 Qd4+ 5. Kf3 Qc3+ 6. Kf4 Qd2+
7. Ke5 Qc3+ 8. Ke6 Qc4+ 9. Ke5 Qc5+
10. Kf4 Qd6+ 11. Kf3 Qa3+ <HT>
10-> 1.33 5.82 1. ... Qe5+ 2. Kh3 Qh5+ 3. Kg3 Qe5+
4. Kg4 Qd4+ 5. Kf3 Qc3+ 6. Kf4 Qd2+
7. Ke5 Qc3+ 8. Ke6 Qc4+ 9. Ke5 Qc5+
10. Kf4 Qd6+ 11. Kf3 Qa3+ <HT>
11 2.30 5.82 1. ... Qe5+ 2. Kh3 Qh5+ 3. Kg3 Qe5+
4. Kg4 Qd4+ 5. Kf3 Qc3+ 6. Kf4 Qd2+
7. Ke5 Qc3+ 8. Ke6 Qc4+ <HT>
11-> 2.71 5.82 1. ... Qe5+ 2. Kh3 Qh5+ 3. Kg3 Qe5+
4. Kg4 Qd4+ 5. Kf3 Qc3+ 6. Kf4 Qd2+
7. Ke5 Qc3+ 8. Ke6 Qc4+ <HT>
12 5.02 5.82 1. ... Qe5+ 2. Kh3 Qh5+ 3. Kg3 Qe5+
4. Kg4 Qd4+ 5. Kf3 Qc3+ 6. Kf4 Qd2+
7. Ke5 Qc3+ 8. Kd5 Qd2+ 9. Ke6 Qe3+
10. Kf6 Qd4+ <HT>
12-> 5.50 5.82 1. ... Qe5+ 2. Kh3 Qh5+ 3. Kg3 Qe5+
4. Kg4 Qd4+ 5. Kf3 Qc3+ 6. Kf4 Qd2+
7. Ke5 Qc3+ 8. Kd5 Qd2+ 9. Ke6 Qe3+
10. Kf6 Qd4+ <HT>
13 7.79 ++ 1. ... Qe5+!!
13 13.49 4.22 1. ... Qe5+ 2. Kh3 Qh5+ 3. Kg3 Qe5+
4. Kh4 Qe7+ 5. Kh5 Qc5+ 6. Kh6 Qf8+
7. Kg5 Qe7+ 8. Kf4 Qd6+ 9. Ke3 Qg3+
10. Kd2 Qxg2+ 11. Ke3 Qg3+ 12. Kd4
Qd6+ 13. Kc4 Qc7+ 14. Kb4 Qd8
13-> 14.55 4.22 1. ... Qe5+ 2. Kh3 Qh5+ 3. Kg3 Qe5+
4. Kh4 Qe7+ 5. Kh5 Qc5+ 6. Kh6 Qf8+
7. Kg5 Qe7+ 8. Kf4 Qd6+ 9. Ke3 Qg3+
10. Kd2 Qxg2+ 11. Ke3 Qg3+ 12. Kd4
Qd6+ 13. Kc4 Qc7+ 14. Kb4 Qd8
14 25.82 ++ 1. ... Qe5+!!
14 27.55 2.00 1. ... Qe5+ 2. Kh3 Qe6+ 3. g4 Qe3+
4. Kh2 Qf4+ 5. Kg2 Qxg4+ 6. Kf2 Qf4+
7. Ke2 Qg4+ 8. Ke3 Qg3+ 9. Kd4 Qd6+
10. Ke4 Qb4+ 11. Kd5 Qxb1 12. h8=Q
Qa2+ 13. Kc6 Qc2+ 14. Kd6
14-> 29.02 2.00 1. ... Qe5+ 2. Kh3 Qe6+ 3. g4 Qe3+
4. Kh2 Qf4+ 5. Kg2 Qxg4+ 6. Kf2 Qf4+
7. Ke2 Qg4+ 8. Ke3 Qg3+ 9. Kd4 Qd6+
10. Ke4 Qb4+ 11. Kd5 Qxb1 12. h8=Q
Qa2+ 13. Kc6 Qc2+ 14. Kd6
15 32.80 2.00 1. ... Qe5+ 2. Kh3 Qe6+ 3. g4 Qe3+
4. Kh2 Qf4+ 5. Kg2 Qxg4+ 6. Kf2 Qf4+
7. Ke2 Qg4+ 8. Ke3 Qg3+ 9. Kd4 Qd6+
10. Ke4 Qb4+ 11. Kd5 Qxb1 12. h8=Q
Qa2+ 13. Kd6 Qd2+ 14. Kc7 Qc2+ <HT>
15-> 34.79 2.00 1. ... Qe5+ 2. Kh3 Qe6+ 3. g4 Qe3+
4. Kh2 Qf4+ 5. Kg2 Qxg4+ 6. Kf2 Qf4+
7. Ke2 Qg4+ 8. Ke3 Qg3+ 9. Kd4 Qd6+
10. Ke4 Qb4+ 11. Kd5 Qxb1 12. h8=Q
Qa2+ 13. Kd6 Qd2+ 14. Kc7 Qc2+ <HT>
16 46.88 -- 1. ... Qe5+
time=60:01 cpu=201% mat=2 n=1693306751 fh=99% nps=470k
ext-> chk=1363197943 cap=274706 pp=267447 1rep=117221890 mate=2380
predicted=0 nodes=1693306751 evals=7323296
endgame tablebase-> probes done=48149 successful=4738
hashing-> trans/ref=73% pawn=99% used=14%
SMP-> split=4869 stop=472 data=13/32 cpu=120:40 elap=60:01
Black(1):
Fails low @ 46 seconds, and can't resolve it in 59 minutes. :(
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Last modified: Thu, 15 Apr 21 08:11:13 -0700
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