Author: Mike Byrne
Date: 17:01:47 08/06/03
Go up one level in this thread
On August 06, 2003 at 11:49:38, Martin Andersen wrote:
>Crafty 19.3 found it eventually (after 33 min).
>Redhat 8.0, Athlon 2400+
>
>Depth: 19 Nodes: 2011286901 (1008134 n/s)
>Score: -3.97 Time: 1995.06 seconds
>1. ... Qe3+ 2. Qxe3 dxe3 3. axb7 Kxb7 4. Kf1 Ka6 5. Ke2 Ka5 6. Kxe3 Kb4 7. Kf3
>Kc3 8. Ke2 g5 9. Ke3 g4 10. Ke2 g3 11. Ke3 g2 12. Kf2 Kxd3
>
>
>Martin.
I added just one line of code , and my new modified crafty will find this in 44
seconds. This line of code was NOT in the version e-mail yestrday and further
testing remains. I did not change evaluations - jsut modify search for this
situation. If interesed email me with the word "include" for a free copy to be
emailed when ready. May have it ready by tonight ot tomorrow.
Crafty v19.4 (2 cpus)
White(1): /kp6/P5p1/2p1p3/2PpP3/3P3Q/4q3/6K1 b - - 0 1
Black(1): st 9999999
search time set to 9999999.00.
Black(1): go
end-game phase
clearing hash tables
time surplus 0.00 time limit 166666:39 (166666:39)
depth time score variation (1)
starting thread 1
2-> 0.00 -8.16 1. ... Qe3+ 2. Qxe3 dxe3 3. axb7 Kxb7
3 0.00 -8.26 1. ... Qe3+ 2. Qxe3 dxe3 3. axb7 Kxb7
4. Kf1 Kc6
3-> 0.00 -8.26 1. ... Qe3+ 2. Qxe3 dxe3 3. axb7 Kxb7
4. Kf1 Kc6
4 0.01 -7.96 1. ... Qe3+ 2. Qxe3 dxe3 3. axb7 Kb8
4. Kg2 Kxb7
4-> 0.01 -7.96 1. ... Qe3+ 2. Qxe3 dxe3 3. axb7 Kb8
4. Kg2 Kxb7
5 0.01 -- 1. ... Qe3+
5 0.01 -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=6)
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=5)
6 0.07 -3.04 1. ... Qe1+ 2. Kh2 Qd2+ 3. Kh1 Qd1+
4. Kh2 Qc2+ 5. Kg1 Qb1+ 6. Kg2 Qc2+
<HT> (s=4)
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 -3.00 1. ... Qe1+ 2. Kg2 Qd2+ 3. Kf1 Kxa6
4. Qf3 Qf4 5. Kg2 Qxf3+ 6. Kxf3 Kb6
<HT>
7-> 0.20 -3.00 1. ... Qe1+ 2. Kg2 Qd2+ 3. Kf1 Kxa6
4. Qf3 Qf4 5. Kg2 Qxf3+ 6. Kxf3 Kb6
<HT>
8 0.31 -2.96 1. ... Qe1+ 2. Kg2 Qd2+ 3. Kg1 Kxa6
4. Qf1 g5 5. Qf6+ b6 6. Qf3 Qf4
8 0.40 -2.99 1. ... Kxa6 2. Qg3 b6 3. Kh1 g5 4.
Qxe5 Qxd3 5. Qd5
8-> 0.40 -2.99 1. ... Kxa6 2. Qg3 b6 3. Kh1 g5 4.
Qxe5 Qxd3 5. Qd5 (s=3)
9 0.68 -2.99 1. ... Kxa6 2. Qd7 Qe3+ 3. Kh2 Qd2+
4. Kh1 Qc1+ 5. Kh2 Qc2+ 6. Kh1 Ka7
7. Qb5 Qxd3 8. Qxc5+ (s=2)
9-> 0.81 -2.99 1. ... Kxa6 2. Qd7 Qe3+ 3. Kh2 Qd2+
4. Kh1 Qc1+ 5. Kh2 Qc2+ 6. Kh1 Ka7
7. Qb5 Qxd3 8. Qxc5+
10 1.00 -2.90 1. ... Kxa6 2. Qd7 Qe3+ 3. Kh2 Qd2+
4. Kh1 Qc1+ 5. Kh2 Qc2+ 6. Kh1 Ka7
7. Qh3 Qd1+ 8. Kh2 Qe2+ 9. Kh1
10-> 1.45 -2.90 1. ... Kxa6 2. Qd7 Qe3+ 3. Kh2 Qd2+
4. Kh1 Qc1+ 5. Kh2 Qc2+ 6. Kh1 Ka7
7. Qh3 Qd1+ 8. Kh2 Qe2+ 9. Kh1 (s=3)
11 2.06 -2.92 1. ... Kxa6 2. Qd7 Qe3+ 3. Kh2 Qd2+
4. Kh1 Qc1+ 5. Kh2 Qc2+ 6. Kh1 Ka7
7. Qc7 Qc1+ 8. Kg2 Qd2+ 9. Kg1 Qxd3
10. Qxc5+ (s=2)
11-> 2.45 -2.92 1. ... Kxa6 2. Qd7 Qe3+ 3. Kh2 Qd2+
4. Kh1 Qc1+ 5. Kh2 Qc2+ 6. Kh1 Ka7
7. Qc7 Qc1+ 8. Kg2 Qd2+ 9. Kg1 Qxd3
10. Qxc5+
12 3.29 -2.92 1. ... Kxa6 2. Qd7 Qe3+ 3. Kh2 Qd2+
4. Kh1 Qc1+ 5. Kh2 Qc2+ 6. Kh1 Ka7
7. Qc7 Qc1+ 8. Kg2 Qd2+ 9. Kg1 Qe3+
10. Kh2 Qe2+ 11. Kg1 Qxd3 12. Qxc5+
12 4.96 -2.93 1. ... Qe1+ 2. Kg2 Qd2+ 3. Kg1 Qc1+
4. Kg2 Qb2+ 5. Kf1 bxa6 6. Qd7+ Qb7
7. Qa4 Qf7+ 8. Ke2 Kb6 9. Qb3+ Kc7
10. Qa3 Kb6
12-> 5.29 -2.93 1. ... Qe1+ 2. Kg2 Qd2+ 3. Kg1 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 6.42 -2.99 1. ... Qe1+ 2. Kg2 Qd2+ 3. Kg1 Qc1+
4. Kg2 Qb2+ 5. Kf1 bxa6 6. Qd7+ Qb7
7. Qa4 Qb1+ 8. Kf2 Qxd3 9. Qd7+ Kb6
10. Qd6+ Kb7 11. Qd5+ Kc7 12. Qxc5+
Kd7 13. Qxe5 Qxc4 (s=2)
13-> 7.84 -2.99 1. ... Qe1+ 2. Kg2 Qd2+ 3. Kg1 Qc1+
4. Kg2 Qb2+ 5. Kf1 bxa6 6. Qd7+ Qb7
7. Qa4 Qb1+ 8. Kf2 Qxd3 9. Qd7+ Kb6
10. Qd6+ Kb7 11. Qd5+ Kc7 12. Qxc5+
Kd7 13. Qxe5 Qxc4 (s=2)
14 11.40 -2.98 1. ... Qe1+ 2. Kg2 Qd2+ 3. Kg1 Qc1+
4. Kg2 Qb2+ 5. Kf1 bxa6 6. Qd7+ Qb7
7. Qa4 Qc8 8. Qa3 Qh3+ 9. Ke1 Qe3+
10. Kd1 Kb6 11. Qb2+ Kc6 12. Kc2
14-> 16.84 -2.98 1. ... Qe1+ 2. Kg2 Qd2+ 3. Kg1 Qc1+
4. Kg2 Qb2+ 5. Kf1 bxa6 6. Qd7+ Qb7
7. Qa4 Qc8 8. Qa3 Qh3+ 9. Ke1 Qe3+
10. Kd1 Kb6 11. Qb2+ Kc6 12. Kc2 (s=2)
15 24.20 -2.98 1. ... Qe1+ 2. Kg2 Qd2+ 3. Kg1 Qc1+
4. Kg2 Qb2+ 5. Kf1 Kxa6 6. Qe6+ Ka5
7. Qxe5 Qb1+ 8. Kg2 Qc2+ 9. Kg1 Kb4
10. Qg3 Kc3 11. Qxg6 Qxd3 12. Qh7 Qxc4
13. Qxb7
15 44.04 ++ 1. ... Qe3+!!
15 48.68 -3.44 1. ... Qe3+ 2. Qxe3 dxe3 3. axb7 Kxb7
4. Kf1 Kb6 5. Kg2 Ka5 6. Kg3 Kb4 7.
Kf3 g5 8. Kxe3 Kc3 9. Ke2 g4 10. Ke3
g3 11. Kf3 Kxd3
15-> 48.73 -3.44 1. ... Qe3+ 2. Qxe3 dxe3 3. axb7 Kxb7
4. Kf1 Kb6 5. Kg2 Ka5 6. Kg3 Kb4 7.
Kf3 g5 8. Kxe3 Kc3 9. Ke2 g4 10. Ke3
g3 11. Kf3 Kxd3 (s=4)
16 56.25 ++ 1. ... Qe3+!!
16 58.54 -3.97 1. ... Qe3+ 2. Qxe3 dxe3 3. axb7 Kxb7
4. Kf1 Kb6 5. Kg2 Ka5 6. Kg3 Kb4 7.
Kf3 g5 8. Kxe3 Kc3 9. Ke2 g4 10. Ke3
g3 11. Ke2 g2 12. Kf2 Kxd3 (s=3)
16-> 1:08 -3.97 1. ... Qe3+ 2. Qxe3 dxe3 3. axb7 Kxb7
4. Kf1 Kb6 5. Kg2 Ka5 6. Kg3 Kb4 7.
Kf3 g5 8. Kxe3 Kc3 9. Ke2 g4 10. Ke3
g3 11. Ke2 g2 12. Kf2 Kxd3 (s=4)
17 1:13 -4.10 1. ... Qe3+ 2. Qxe3 dxe3 3. axb7 Kxb7
4. Kf1 Kb6 5. Kg2 Ka5 6. Kg3 Kb4 7.
Kf3 g5 8. Kxe3 Kc3 9. Ke2 g4 10. Ke3
g3 11. Kf3 Kxd3 12. Kxg3 Kxe4 (s=3)
17-> 1:53 -4.10 1. ... Qe3+ 2. Qxe3 dxe3 3. axb7 Kxb7
4. Kf1 Kb6 5. Kg2 Ka5 6. Kg3 Kb4 7.
Kf3 g5 8. Kxe3 Kc3 9. Ke2 g4 10. Ke3
g3 11. Kf3 Kxd3 12. Kxg3 Kxe4 (s=4)
18 2:25 -4.10 1. ... Qe3+ 2. Qxe3 dxe3 3. axb7 Kxb7
4. Kf1 Kb6 5. Kg2 Ka5 6. Kg3 Kb4 7.
Kf3 g5 8. Kxe3 Kc3 9. Ke2 g4 10. Ke3
g3 11. Kf3 Kxd3 12. Kxg3 Kxe4 13. Kg4
(s=3)
18 2:45 2/24* 1. ... Qd1+
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