Author: Mike Byrne
Date: 21:35:07 08/06/03
Go up one level in this thread
further refinemnet of the code brings the solution down to 17 seconds for
modified crafty - further testing required
Crafty v19.4 (2 cpus)
White(1): [d]8/kp6/P5p1/2p1p3/2PpP3/3P3Q/4q3/6K1 b - - 0 1
Black(1): st 9999
search time set to 9999.00.
Black(1): go
end-game phase
clearing hash tables
time surplus 0.00 time limit 166:39 (166:39)
depth time score variation (1)
starting thread 1
2-> 0.00 -7.96 1. ... Qe3+ 2. Qxe3 dxe3 3. axb7 Kxb7
4. Kg2
3 0.00 -8.19 1. ... Qe3+ 2. Qxe3 dxe3 3. axb7 Kxb7
4. Kg2 e2 5. Kf2
3-> 0.01 -8.19 1. ... Qe3+ 2. Qxe3 dxe3 3. axb7 Kxb7
4. Kg2 e2 5. Kf2
4 0.01 -7.96 1. ... Qe3+ 2. Qxe3 dxe3 3. axb7 Kxb7
4. Kg2 Kc6 5. Kf3
4-> 0.01 -7.96 1. ... Qe3+ 2. Qxe3 dxe3 3. axb7 Kxb7
4. Kg2 Kc6 5. Kf3
5 0.01 -- 1. ... Qe3+
5 0.03 -7.31 1. ... Qe3+ 2. Qxe3 dxe3 3. axb7 Kb8
4. Kf1 Kxb7 5. Ke2
5-> 0.03 -7.31 1. ... Qe3+ 2. Qxe3 dxe3 3. axb7 Kb8
4. Kf1 Kxb7 5. Ke2 (s=5)
6 0.03 -- 1. ... Qe3+
6 0.04 -1.58 1. ... Qe3+ 2. Qxe3 dxe3 3. axb7 Kxb7
4. Kg2 g5 5. Kf3 g4+ 6. Ke2 g3 7. Kxe3
(s=4)
6 0.08 -3.04 1. ... Qe1+ 2. Kh2 Qd2+ 3. Kh1 Qd1+
4. Kh2 Qc2+ 5. Kg1 Qb1+ 6. Kg2 Qc2+
<HT> (s=3)
6-> 0.11 -3.04 1. ... Qe1+ 2. Kh2 Qd2+ 3. Kh1 Qd1+
4. Kh2 Qc2+ 5. Kg1 Qb1+ 6. Kg2 Qc2+
<HT>
7 0.15 -2.90 1. ... Qe1+ 2. Kg2 Qd2+ 3. Kf1 bxa6
4. Qd7+ Kb6 5. Qd8+ Kb7 6. Qd7+ Kb8
7. Qd6+ Kb7
7 0.23 -3.01 1. ... Kxa6 2. Qg3 Qe3+ 3. Kh1 g5 4.
Qxe5 Qxd3 5. Qd6+ b6
7-> 0.23 -3.01 1. ... Kxa6 2. Qg3 Qe3+ 3. Kh1 g5 4.
Qxe5 Qxd3 5. Qd6+ b6 (s=2)
8 0.26 -3.16 1. ... Kxa6 2. Qg3 b6 3. Kh1 Qe3 4.
Kg2 Qxg3+ 5. Kxg3 b5 <HT>
8-> 0.31 -3.16 1. ... Kxa6 2. Qg3 b6 3. Kh1 Qe3 4.
Kg2 Qxg3+ 5. Kxg3 b5 <HT> (s=2)
9 0.36 -3.16 1. ... Kxa6 2. Qg3 b6 3. Kh1 Qe3 4.
Kg2 Qxg3+ 5. Kxg3 b5 <HT>
9-> 0.45 -3.16 1. ... Kxa6 2. Qg3 b6 3. Kh1 Qe3 4.
Kg2 Qxg3+ 5. Kxg3 b5 <HT> (s=2)
10 1.29 -2.92 1. ... Kxa6 2. Qd7 Qe3+ 3. Kh2 Qd2+
4. Kh1 Qd1+ 5. Kh2 Ka7 6. Qc7 Qc2+
7. Kh1 Qc1+ 8. Kh2 Qd2+ 9. Kg1 Qxd3
10. Qxc5+
10-> 1.76 -2.92 1. ... Kxa6 2. Qd7 Qe3+ 3. Kh2 Qd2+
4. Kh1 Qd1+ 5. Kh2 Ka7 6. Qc7 Qc2+
7. Kh1 Qc1+ 8. Kh2 Qd2+ 9. Kg1 Qxd3
10. Qxc5+
11 1.98 -2.92 1. ... Kxa6 2. Qd7 Qe3+ 3. Kh2 Qd2+
4. Kh1 Qd1+ 5. Kh2 Ka7 6. Qc7 Qc2+
7. Kh1 Qc1+ 8. Kh2 Qd2+ 9. Kg1 Qxd3
10. Qxc5+
11-> 2.65 -2.92 1. ... Kxa6 2. Qd7 Qe3+ 3. Kh2 Qd2+
4. Kh1 Qd1+ 5. Kh2 Ka7 6. Qc7 Qc2+
7. Kh1 Qc1+ 8. Kh2 Qd2+ 9. Kg1 Qxd3
10. Qxc5+ (s=3)
12 3.33 -2.92 1. ... Kxa6 2. Qd7 Qe3+ 3. Kh2 Qd2+
4. Kh1 Qd1+ 5. Kh2 Ka7 6. Qc7 Qc2+
7. Kh1 Qc1+ 8. Kh2 Qd2+ 9. Kg1 Qe1+
10. Kh2 Qe2+ 11. Kg1 Qxd3 12. Qxc5+
(s=2)
12 4.25 -2.93 1. ... Qe1+ 2. Kg2 Qd2+ 3. Kh1 Qc1+
4. Kg2 Qb2+ 5. Kf1 bxa6 6. Qd7+ Qb7
7. Qa4 Qf7+ 8. Ke2 Kb6 9. Qb3+ Kc7
10. Qa3 Kb6
12-> 5.25 -2.93 1. ... Qe1+ 2. Kg2 Qd2+ 3. Kh1 Qc1+
4. Kg2 Qb2+ 5. Kf1 bxa6 6. Qd7+ Qb7
7. Qa4 Qf7+ 8. Ke2 Kb6 9. Qb3+ Kc7
10. Qa3 Kb6 (s=3)
13 7.40 -3.01 1. ... Qe1+ 2. Kg2 Qd2+ 3. Kh1 Qc1+
4. Kg2 Qb2+ 5. Kf1 bxa6 6. Qd7+ Qb7
7. Qa4 Qb1+ 8. Kf2 Qxd3 9. Qd7+ Kb6
10. Qd8+ Kb7 11. Qd5+ Kb8 12. Qxe5+
Kb7 13. Qxc5 Qxe4 (s=2)
13-> 8.40 -3.01 1. ... Qe1+ 2. Kg2 Qd2+ 3. Kh1 Qc1+
4. Kg2 Qb2+ 5. Kf1 bxa6 6. Qd7+ Qb7
7. Qa4 Qb1+ 8. Kf2 Qxd3 9. Qd7+ Kb6
10. Qd8+ Kb7 11. Qd5+ Kb8 12. Qxe5+
Kb7 13. Qxc5 Qxe4
14 11.92 -3.12 1. ... Qe1+ 2. Kg2 Qd2+ 3. Kh1 Qc1+
4. Kg2 Qb2+ 5. Kf1 bxa6 6. Qd7+ Qb7
7. Qa4 Qb1+ 8. Kf2 Kb6 9. Ke2 g5 10.
Qa3 Qc2+ 11. Kf3 a5
14 17.90 ++ 1. ... Qe3+!!
14 33.89 -3.97 1. ... Qe3+ 2. Qxe3 dxe3 3. axb7 Kxb7
4. Kf1 g5 5. Ke1 Kb6 6. Ke2 Ka5 7.
Kxe3 Kb4 8. Kf3 Kc3 9. Ke2 g4 10. Ke3
g3 11. Ke2 g2 12. Kf2 Kxd3
14-> 33.89 -3.97 1. ... Qe3+ 2. Qxe3 dxe3 3. axb7 Kxb7
4. Kf1 g5 5. Ke1 Kb6 6. Ke2 Ka5 7.
Kxe3 Kb4 8. Kf3 Kc3 9. Ke2 g4 10. Ke3
g3 11. Ke2 g2 12. Kf2 Kxd3
15 35.59 -4.10 1. ... Qe3+ 2. Qxe3 dxe3 3. axb7 Kxb7
4. Kf1 g5 5. Ke1 Kb6 6. Ke2 Ka5 7.
Kxe3 Kb4 8. Kf3 Kc3 9. Ke2 g4 10. Ke3
g3 11. Kf3 Kxd3 12. Kxg3 Kxe4
15-> 40.69 -4.10 1. ... Qe3+ 2. Qxe3 dxe3 3. axb7 Kxb7
4. Kf1 g5 5. Ke1 Kb6 6. Ke2 Ka5 7.
Kxe3 Kb4 8. Kf3 Kc3 9. Ke2 g4 10. Ke3
g3 11. Kf3 Kxd3 12. Kxg3 Kxe4 (s=5)
16 43.94 -4.10 1. ... Qe3+ 2. Qxe3 dxe3 3. axb7 Kxb7
4. Kf1 g5 5. Ke1 Kb6 6. Ke2 Ka5 7.
Kxe3 Kb4 8. Kf3 Kc3 9. Ke2 g4 10. Ke3
g3 11. Kf3 Kxd3 12. Kxg3 Kxe4 13. Kg4
(s=4)
16-> 54.37 -4.10 1. ... Qe3+ 2. Qxe3 dxe3 3. axb7 Kxb7
4. Kf1 g5 5. Ke1 Kb6 6. Ke2 Ka5 7.
Kxe3 Kb4 8. Kf3 Kc3 9. Ke2 g4 10. Ke3
g3 11. Kf3 Kxd3 12. Kxg3 Kxe4 13. Kg4
(s=4)
17 1:02 -4.20 1. ... Qe3+ 2. Qxe3 dxe3 3. axb7 Kxb7
4. Kf1 g5 5. Ke1 Kb6 6. Ke2 Ka5 7.
Kxe3 Kb4 8. Kf3 Kc3 9. Ke3 g4 10. Ke2
g3 11. Ke3 Kc2 12. Ke2 g2 13. Kf2 Kxd3
14. Kxg2 Kxe4 (s=3)
17-> 1:28 -4.20 1. ... Qe3+ 2. Qxe3 dxe3 3. axb7 Kxb7
4. Kf1 g5 5. Ke1 Kb6 6. Ke2 Ka5 7.
Kxe3 Kb4 8. Kf3 Kc3 9. Ke3 g4 10. Ke2
g3 11. Ke3 Kc2 12. Ke2 g2 13. Kf2 Kxd3
14. Kxg2 Kxe4 (s=4)
18 1:47 -4.26 1. ... Qe3+ 2. Qxe3 dxe3 3. axb7 Kxb7
4. Kf1 g5 5. Ke1 Kb6 6. Ke2 Ka5 7.
Kxe3 Kb4 8. Kf3 Kc3 9. Ke3 g4 10. Ke2
g3 11. Ke3 g2 12. Kf2 Kxd3 13. Kxg2
Kxe4 14. Kg3 Kd4 15. Kf2 (s=3)
? 18 3:00 3/24* 1. ... Qd1+
Black(0): ?
time=3:13 cpu=196% mat=-1 n=231026454 fh=90% nps=1194k
ext-> chk=22933671 cap=447792 pp=12932079 1rep=796483 mate=44728
predicted=0 nodes=231026454 evals=80965320
endgame tablebase-> probes=463 hits=463
SMP-> split=11079 stop=1127 data=12/64 cpu=6:19 elap=3:13
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Last modified: Thu, 15 Apr 21 08:11:13 -0700
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