Author: Mike Byrne
Date: 21:36:51 03/17/05
Crafty version SE/64 19.19 (64 bit)
Single thread
Opteron 244 (1.8 Ghz)
[d]6r1/2rp1kpp/2qQp3/p3Pp1P/1pP2P2/1P2KP2/P5R1/6R1 w - - 0 1; bm Rxg7!
White(1): g
time surplus 29.97 time limit 10:00 (10:00)
depth time score variation (1)
6 0.06 0.01 1. Rd2 g6 2. Rdg2 Qxd6 3. exd6 Rc5
4. hxg6+ Rxg6 5. Rxg6 hxg6
6-> 0.08 0.01 1. Rd2 g6 2. Rdg2 Qxd6 3. exd6 Rc5
4. hxg6+ Rxg6 5. Rxg6 hxg6
7 0.11 0.00 1. Rd2 g6 2. hxg6+ Rxg6 3. Rxg6 Kxg6
4. Rg2+ Kf7 5. Rh2 Kg8 6. Qe7
7 0.16 0.01 1. Rxg7+ Rxg7 2. Rxg7+ Kxg7 3. Qe7+
Kg8 4. Qe8+ Kg7 5. Qe7+
7-> 0.17 0.01 1. Rxg7+ Rxg7 2. Rxg7+ Kxg7 3. Qe7+
Kg8 4. Qe8+ Kg7 5. Qe7+
8 0.19 0.01 1. Rxg7+ Rxg7 2. Rxg7+ Kxg7 3. Qe7+
Kg8 4. Qe8+ Kg7 5. Qe7+
8 0.36 0.16 1. Rd2 Qxd6 2. Rxd6 g6 3. Rgd1 gxh5
4. Rxd7+ Rxd7 5. Rxd7+ Kg6 6. c5
8-> 0.41 0.16 1. Rd2 Qxd6 2. Rxd6 g6 3. Rgd1 gxh5
4. Rxd7+ Rxd7 5. Rxd7+ Kg6 6. c5
9 0.45 0.03 1. Rd2 Qxd6 2. Rxd6 g6 3. Rgd1 Ke7
4. h6 Rd8 5. R1d2 Kf7
9 0.58 0.06 1. Rd1 Qxd6 2. Rxd6 g6 3. Rgd2 Ke7
4. h6 Rd8 5. Rd1 Kf7
9-> 0.64 0.06 1. Rd1 Qxd6 2. Rxd6 g6 3. Rgd2 Ke7
4. h6 Rd8 5. Rd1 Kf7
10 1.11 0.15 1. Rd1 h6 2. Rg6 Re8 3. Rgg1 Ra7 4.
Qxc6 dxc6 5. Rd6 c5 6. Rgd1
10-> 1.22 0.15 1. Rd1 h6 2. Rg6 Re8 3. Rgg1 Ra7 4.
Qxc6 dxc6 5. Rd6 c5 6. Rgd1
11 2.28 0.20 1. Rd1 h6 2. Rgd2 Qxd6 3. Rxd6 Rd8
4. Ra6 Rc5 5. Ra7 Ke8 6. Rb7 Ke7
11-> 2.53 0.20 1. Rd1 h6 2. Rgd2 Qxd6 3. Rxd6 Rd8
4. Ra6 Rc5 5. Ra7 Ke8 6. Rb7 Ke7
12 4.72 0.16 1. Rd1 Qxd6 2. Rxd6 Ra8 3. Rg1 Raa7
4. Rd4 h6 5. Rd2 Ra8 6. Rgd1 Rd8 7.
Rd6
12 4.78 +1 1. Rxg7+!!
12 4.80 +3 1. Rxg7+!!
12 4.89 +M 1. Rxg7+!!
12 5.02 Mat15 1. Rxg7+ Rxg7 2. Rxg7+ Kxg7 3. Qe7+
Kg8 4. Qe8+ Kg7 5. h6+ Kxh6 6. Qf8+
Kh5 7. Qf7+ Kh4 8. Qxh7+ Kg3 9. Qg8+
Kh3 10. Kf2 Qc5+ 11. Kf1 Qg1+ 12. Kxg1
Kh4 13. Qg5+ Kh3 14. Qg2+ Kh4 15. Qh2#
12-> 5.13 Mat15 1. Rxg7+ Rxg7 2. Rxg7+ Kxg7 3. Qe7+
Kg8 4. Qe8+ Kg7 5. h6+ Kxh6 6. Qf8+
Kh5 7. Qf7+ Kh4 8. Qxh7+ Kg3 9. Qg8+
Kh3 10. Kf2 Qc5+ 11. Kf1 Qg1+ 12. Kxg1
Kh4 13. Qg5+ Kh3 14. Qg2+ Kh4 15. Qh2#
13 5.50 Mat15 1. Rxg7+ Rxg7 2. Rxg7+ Kxg7 3. Qe7+
Kg8 4. Qe8+ Kg7 5. h6+ Kxh6 6. Qf8+
Kh5 7. Qf7+ Kh4 8. Qxh7+ Kg3 9. Qg8+
Kh3 10. Kf2 Qc5+ 11. Kf1 Qxc4+ 12.
bxc4 Kh4 13. Qg5+ Kh3 14. Qg2+ Kh4
15. Qh2#
13-> 5.67 Mat15 1. Rxg7+ Rxg7 2. Rxg7+ Kxg7 3. Qe7+
Kg8 4. Qe8+ Kg7 5. h6+ Kxh6 6. Qf8+
Kh5 7. Qf7+ Kh4 8. Qxh7+ Kg3 9. Qg8+
Kh3 10. Kf2 Qc5+ 11. Kf1 Qxc4+ 12.
bxc4 Kh4 13. Qg5+ Kh3 14. Qg2+ Kh4
15. Qh2#
14 7.16 Mat15 1. Rxg7+ Rxg7 2. Rxg7+ Kxg7 3. Qe7+
Kg8 4. Qe8+ Kg7 5. h6+ Kxh6 6. Qf8+
Kh5 7. Qf7+ Kh4 8. Qxh7+ Kg3 9. Qg8+
Kh3 10. Kf2 Qc5+ 11. Kf1 Qxc4+ 12.
bxc4 Kh4 13. Qg5+ Kh3 14. Qg2+ Kh4
15. Qh2#
14-> 19.47 Mat15 1. Rxg7+ Rxg7 2. Rxg7+ Kxg7 3. Qe7+
Kg8 4. Qe8+ Kg7 5. h6+ Kxh6 6. Qf8+
Kh5 7. Qf7+ Kh4 8. Qxh7+ Kg3 9. Qg8+
Kh3 10. Kf2 Qc5+ 11. Kf1 Qxc4+ 12.
bxc4 Kh4 13. Qg5+ Kh3 14. Qg2+ Kh4
15. Qh2#
time=19.52 cpu=93% mat=0 n=42850031 fh=94% nps=2.20M
ext-> chk=3815275 cap=148891 pp=167091 1rep=464170 mate=19260
predicted=1 nodes=42850031 evals=2585198 50move=0
endgame tablebase-> probes=0 hits=0
SMP-> split=0 stop=0 data=0/64 cpu=18.24 elap=19.52
mate in 15 moves.
===============================================================
Same machine
Crafty 12.7 (circa July 1997)
White(1): Rxg7+
time used: 19.53
depth time score variation (1)
3-> 0.00 -0.593 Qxc6 Rxc6 Rd2 Rd8
4 0.00 -0.525 Qxc6 Rxc6 Rd2 Rd8 Kd4
4-> 0.00 -0.525 Qxc6 Rxc6 Rd2 Rd8 Kd4
5 0.01 -0.533 Qxc6 Rxc6 Rd2 Rd8 Rgd1 Ke7
5 0.01 ++ Rxg7+!!
5 0.01 0.000 Rxg7+ Rxg7 Rxg7+ Kxg7 Qe7+ Kg8 Qe8+
Kg7 Qe7+
5-> 0.01 0.000 Rxg7+ Rxg7 Rxg7+ Kxg7 Qe7+ Kg8 Qe8+
Kg7 Qe7+
6 0.01 0.000 Rxg7+ Rxg7 Rxg7+ Kxg7 Qe7+ Kg8 Qe8+
Kg7 Qe7+
6-> 0.01 0.000 Rxg7+ Rxg7 Rxg7+ Kxg7 Qe7+ Kg8 Qe8+
Kg7 Qe7+
7 0.03 0.000 Rxg7+ Rxg7 Rxg7+ Kxg7 Qe7+ Kg8 Qe8+
Kg7 Qe7+
7-> 0.04 0.000 Rxg7+ Rxg7 Rxg7+ Kxg7 Qe7+ Kg8 Qe8+
Kg7 Qe7+
8 0.06 0.000 Rxg7+ Rxg7 Rxg7+ Kxg7 Qe7+ Kg8 Qe8+
Kg7 Qe7+
8-> 0.09 0.000 Rxg7+ Rxg7 Rxg7+ Kxg7 Qe7+ Kg8 Qe8+
Kg7 Qe7+
9 0.11 0.000 Rxg7+ Rxg7 Rxg7+ Kxg7 Qe7+ Kg8 Qe8+
Kg7 Qe7+
9-> 0.18 0.000 Rxg7+ Rxg7 Rxg7+ Kxg7 Qe7+ Kg8 Qe8+
Kg7 Qe7+
10 0.22 0.000 Rxg7+ Rxg7 Rxg7+ Kxg7 Qe7+ Kg8 Qe8+
Kg7 Qe7+
10-> 0.39 0.000 Rxg7+ Rxg7 Rxg7+ Kxg7 Qe7+ Kg8 Qe8+
Kg7 Qe7+
11 0.48 0.000 Rxg7+ Rxg7 Rxg7+ Kxg7 Qe7+ Kg8 Qe8+
Kg7 Qe7+
11-> 0.79 0.000 Rxg7+ Rxg7 Rxg7+ Kxg7 Qe7+ Kg8 Qe8+
Kg7 Qe7+
12 1.00 0.000 Rxg7+ Rxg7 Rxg7+ Kxg7 Qe7+ Kg8 Qe8+
Kg7 Qe7+
12-> 1.92 0.000 Rxg7+ Rxg7 Rxg7+ Kxg7 Qe7+ Kg8 Qe8+
Kg7 Qe7+
13 2.15 ++ Rxg7+!!
13 2.86 10.919 Rxg7+ Rxg7 Rxg7+ Kxg7 Qe7+ Kg8 Qe8+
Kg7 h6+ Kxh6 Qf8+ Kh5 Qf7+ Kh4 Qxh7+
Kg3 Qg7+ Kh4 Kf2 Qc5+ Kg2 Qg1+ Kxg1
Rc5 Qe7+ Kg3 Qxc5 Kxf3 Qxa5
13-> 3.84 10.919 Rxg7+ Rxg7 Rxg7+ Kxg7 Qe7+ Kg8 Qe8+
Kg7 h6+ Kxh6 Qf8+ Kh5 Qf7+ Kh4 Qxh7+
Kg3 Qg7+ Kh4 Kf2 Qc5+ Kg2 Qg1+ Kxg1
Rc5 Qe7+ Kg3 Qxc5 Kxf3 Qxa5
14 3.90 ++ Rxg7+!!
14 7.56 Mat15 Rxg7+ Rxg7 Rxg7+ Kxg7 Qe7+ Kg8 Qe8+
Kg7 h6+ Kxh6 Qf8+ Kh5 Qf7+ Kh4 Qxh7+
Kg3 Qg8+ Kh4 Kf2 Qc5+ Kg2 Qg1+ Kxg1
Rc5 Qg5+ Kh3 Qg2+ Kh4 Qh2#
time: 9.22 cpu:100% mat:5 n:12889508 nps:1397994
ext-> checks:1164211 recaps:70150 pawns:235129 1rep:449744
predicted:0 nodes:12889508 evals:850295
endgame tablebase-> probes done: 0 successful: 0
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Last modified: Thu, 15 Apr 21 08:11:13 -0700
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