Author: Mike Byrne
Date: 12:02:50 04/16/05
while searching for info on Ruffian - found this old problem that Ruffian 1.0.1
solved very quickly
Crafty 19.20
Dual Opterons
White(1): [d]8/8/pp6/2pp2p1/3p2Pk/3P1K1P/5PP1/8 b - - 0 1
Black(1): g
time surplus 0.00 time limit 10:00 (10:00)
depth time score variation (1)
starting thread 1
11 0.08 -6.07 1. ... c4 2. Ke2 cxd3+ 3. Kxd3 b5 4.
Kxd4 b4 5. Kd3 b3 6. f4 gxf4 7. Kc3
f3 8. gxf3
11-> 0.08 -6.07 1. ... c4 2. Ke2 cxd3+ 3. Kxd3 b5 4.
Kxd4 b4 5. Kd3 b3 6. f4 gxf4 7. Kc3
f3 8. gxf3
12 0.18 -5.99 1. ... c4 2. Ke2 cxd3+ 3. Kxd3 a5 4.
Kxd4 a4 5. Kc3 b5 6. Kb4 d4 7. f4 a3
8. fxg5
12-> 0.18 -5.99 1. ... c4 2. Ke2 cxd3+ 3. Kxd3 a5 4.
Kxd4 a4 5. Kc3 b5 6. Kb4 d4 7. f4 a3
8. fxg5
13 0.24 -1 1. ... c4!!
13 0.38 -6.43 1. ... c4 2. Ke2 cxd3+ 3. Kxd3 a5 4.
Kxd4 a4 5. Kc3 b5 6. Kb4 d4 7. f4 d3
8. Kc3 a3 9. Kxd3
13-> 0.40 -6.43 1. ... c4 2. Ke2 cxd3+ 3. Kxd3 a5 4.
Kxd4 a4 5. Kc3 b5 6. Kb4 d4 7. f4 d3
8. Kc3 a3 9. Kxd3
14 0.68 -6.09 1. ... c4 2. Ke2 cxd3+ 3. Kxd3 b5 4.
Ke2 d3+ 5. Kxd3 b4 6. Kd4 a5 7. g3+
Kxh3 8. f4 Kxg4 9. fxg5 Kxg5 10. Kxd5
b3
14-> 0.69 -6.09 1. ... c4 2. Ke2 cxd3+ 3. Kxd3 b5 4.
Ke2 d3+ 5. Kxd3 b4 6. Kd4 a5 7. g3+
Kxh3 8. f4 Kxg4 9. fxg5 Kxg5 10. Kxd5
b3
15 0.97 -6.05 1. ... c4 2. Ke2 cxd3+ 3. Kxd3 b5 4.
Ke2 d3+ 5. Kxd3 a5 6. Kc3 a4 7. Kb4
d4 8. f4 a3 9. Kxa3 gxf4
15-> 0.97 -6.05 1. ... c4 2. Ke2 cxd3+ 3. Kxd3 b5 4.
Ke2 d3+ 5. Kxd3 a5 6. Kc3 a4 7. Kb4
d4 8. f4 a3 9. Kxa3 gxf4
16 1.05 +1 1. ... c4
16 1.41 2.46 1. ... c4 2. Ke2 cxd3+ 3. Kxd3 b5 4.
Ke2 d3+ 5. Kxd3 d4 6. Kxd4 a5 7. Kc3
b4+ 8. Kc4 a4 9. Kxb4 a3 10. Kc3 a2
11. Kb2 a1=Q+ 12. Kxa1
16-> 1.44 2.46 1. ... c4 2. Ke2 cxd3+ 3. Kxd3 b5 4.
Ke2 d3+ 5. Kxd3 d4 6. Kxd4 a5 7. Kc3
b4+ 8. Kc4 a4 9. Kxb4 a3 10. Kc3 a2
11. Kb2 a1=Q+ 12. Kxa1
17 1.94 -1 1. ... c4!!
17 2.07 2.46 1. ... c4 2. Ke2 cxd3+ 3. Kxd3 b5 4.
Ke2 d3+ 5. Kxd3 d4 6. Kxd4 a5 7. Kc3
b4+ 8. Kb3 a4+ 9. Kb2 b3 10. Ka3 b2
11. Kxb2 a3+ 12. Ka1 a2 13. Kxa2
17-> 2.07 2.46 1. ... c4 2. Ke2 cxd3+ 3. Kxd3 b5 4.
Ke2 d3+ 5. Kxd3 d4 6. Kxd4 a5 7. Kc3
b4+ 8. Kb3 a4+ 9. Kb2 b3 10. Ka3 b2
11. Kxb2 a3+ 12. Ka1 a2 13. Kxa2
18 2.69 -1 1. ... c4!!
18 3.54 1.50 1. ... c4 2. Ke2 cxd3+ 3. Kxd3 b5 4.
Ke2 d3+ 5. Kxd3 d4 6. Kxd4 a5 7. Kc3
b4+ 8. Kb3 a4+ 9. Kb2 b3 10. Ka3 b2
11. Kxb2 a3+ 12. Ka1 a2 13. f4 gxf4
14. Kxa2
18-> 3.54 1.50 1. ... c4 2. Ke2 cxd3+ 3. Kxd3 b5 4.
Ke2 d3+ 5. Kxd3 d4 6. Kxd4 a5 7. Kc3
b4+ 8. Kb3 a4+ 9. Kb2 b3 10. Ka3 b2
11. Kxb2 a3+ 12. Ka1 a2 13. f4 gxf4
14. Kxa2
19 3.63 +1 1. ... c4
19 4.75 Mat13 1. ... c4 2. Ke2 cxd3+ 3. Kxd3 b5 4.
Ke2 d3+ 5. Kxd3 d4 6. Ke2 d3+ 7. Kxd3
b4 8. Ke2 b3 9. Kf1 b2 10. Kg1 b1=Q+
11. Kh2 Qg1+ 12. Kxg1 a5 13. Kh2 a4
14. g3#
19-> 4.83 Mat13 1. ... c4 2. Ke2 cxd3+ 3. Kxd3 b5 4.
Ke2 d3+ 5. Kxd3 d4 6. Ke2 d3+ 7. Kxd3
b4 8. Ke2 b3 9. Kf1 b2 10. Kg1 b1=Q+
11. Kh2 Qg1+ 12. Kxg1 a5 13. Kh2 a4
14. g3#
20 6.82 Mat13 1. ... c4 2. Ke2 cxd3+ 3. Kxd3 b5 4.
Ke2 d3+ 5. Kxd3 d4 6. Ke2 d3+ 7. Kxd3
b4 8. Ke2 b3 9. Kf1 b2 10. Kg1 b1=Q+
11. Kh2 Qg1+ 12. Kxg1 a5 13. Kh2 a4
14. g3#
20-> 6.82 Mat13 1. ... c4 2. Ke2 cxd3+ 3. Kxd3 b5 4.
Ke2 d3+ 5. Kxd3 d4 6. Ke2 d3+ 7. Kxd3
b4 8. Ke2 b3 9. Kf1 b2 10. Kg1 b1=Q+
11. Kh2 Qg1+ 12. Kxg1 a5 13. Kh2 a4
14. g3#
21 9.36 Mat13 1. ... c4 2. Ke2 cxd3+ 3. Kxd3 b5 4.
Ke2 d3+ 5. Kxd3 d4 6. Ke2 d3+ 7. Kxd3
b4 8. Ke2 b3 9. Kf1 b2 10. Kg1 b1=Q+
11. Kh2 Qg1+ 12. Kxg1 a5 13. Kh2 a4
14. g3#
21-> 9.44 Mat13 1. ... c4 2. Ke2 cxd3+ 3. Kxd3 b5 4.
Ke2 d3+ 5. Kxd3 d4 6. Ke2 d3+ 7. Kxd3
b4 8. Ke2 b3 9. Kf1 b2 10. Kg1 b1=Q+
11. Kh2 Qg1+ 12. Kxg1 a5 13. Kh2 a4
14. g3#
? 22 9.44 1/3* 1. ... c4
Black(0): ?
time=12.25 cpu=140% mat=-1 n=38620454 fh=99% nps=3.15M
ext-> chk=1917978 cap=69746 pp=597735 1rep=150713 mate=4128
predicted=0 nodes=38620454 evals=4529893 50move=0
endgame tablebase-> probes=77814 hits=0
SMP-> split=7663 stop=209 data=10/64 cpu=17.23 elap=12.25
mated in 13 moves.
Black(1): c4
time used: 12.25
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Last modified: Thu, 15 Apr 21 08:11:13 -0700
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