Deepest win for white:


[Event ""]
[Date "2010.08.09"]
[Site ""]
[White "Perfect play"]
[Black "Perfect play"]
[Result "1-0"]
[Round ""]
[GameType "20"]
[FEN "W:W18:B3,4,5,12."]


1. 18x7 3-8 2. 7-1 8-13 {5-10, 4-10, 4-9} 3. 1-7 {1-12, 1-23, 1-29, 1-34, 1-40, 1-45} 13-19 {5-10, 4-10, 4-9} 4. 7-1 {7-12, 7-29, 7-34, 7-40, 7-45} 19-24 {5-10, 4-10, 4-9} 5. 1-7 {1-12, 1-34, 1-40, 1-45} 24-30 {5-10, 4-10, 4-9} 6. 7-1 {7-12, 7-29, 7-40, 7-45} 30-35 {5-10, 4-10, 4-9} 7. 1-7 {1-12, 1-29, 1-34, 1-45} 5-10 {4-10, 4-9} 8. 7-1 {7-12, 7-18, 7-29, 7-34, 7-45} 10-15 {10-14, 4-9} 9. 1-7 {1-12, 1-34, 1-45} 15-20 {4-10, 4-9} 10. 7-1 {7-12, 7-34, 7-45} 20-25 {20-24, 4-10, 4-9} 11. 1-7 {1-12, 1-29, 1-45} 35-40 {25-30, 4-10, 4-9} 12. 7x45 25-30 13. 45-40 {45-29, 45-23, 45-18, 45-12, 45-7, 45-1} 4-10 {4-9} 14. 40-29 {40-23, 40-18, 40-12, 40-7, 40-1, 40-45} 10-15 {10-14} 15. 29-23 {29-18, 29-12, 29-7, 29-1, 29-40, 29-45} 15-20 16. 23-18 {23-12, 23-7, 23-1, 23-29, 23-40, 23-45} 30-35 {20-25, 20-24} 17. 18-12 {18-7, 18-1, 18-23, 18-29, 18-34, 18-45} 20-25 {20-24} 18. 12-7 {12-1, 12-18, 12-23, 12-29, 12-34, 12-45} 35-40 19. 7x45 25-30 20. 45-40 {45-29, 45-23, 45-18, 45-12, 45-7, 45-1, 45-50} 30-35 21. 40-34 {40-29, 40-23, 40-18, 40-12, 40-7, 40-1, 40-45, 40-44, 40-49} 35-40 22. 34x45 1-0
Non capture positions

Win: 1.210 (0.0%)
Draw: 2.127 (0.0%)
Lose: 4.879.109 (99.9%)

Number of positions with white to win in X moves
1: 0
2: 0
3: 0
4: 6
5: 55
6: 21
7: 8
8: 41
9: 47
10: 52
11: 132
12: 171
13: 130
14: 109
15: 140
16: 90
17: 67
18: 60
19: 53
20: 18
21: 10
 Number of positions with white to lose in X moves
1: 535.100
2: 788.371
3: 1.060.982
4: 642.813
5: 301.037
6: 169.999
7: 155.893
8: 166.962
9: 166.853
10: 154.172
11: 138.260
12: 120.931
13: 102.575
14: 84.583
15: 68.114
16: 53.819
17: 41.124
18: 30.994
19: 22.532
20: 16.888
21: 11.991
22: 8.607
23: 5.953
24: 3.842
25: 2.287
26: 1.291
27: 696
28: 363
29: 160
30: 72
31: 33
32: 39
33: 21
34: 14
35: 11
36: 1
37: 1
38: 0
39: 1

All positions

Win: 12.564 (0.2%)
Draw: 17.562 (0.3%)
Lose: 6.144.889 (99.5%)

Number of positions with white to win in X moves
1: 766
2: 550
3: 521
4: 1.263
5: 1.025
6: 883
7: 763
8: 724
9: 732
10: 769
11: 907
12: 884
13: 619
14: 539
15: 491
16: 368
17: 255
18: 203
19: 163
20: 76
21: 53
22: 10
 Number of positions with white to lose in X moves
1: 573.186
2: 1.003.914
3: 1.276.292
4: 897.591
5: 402.954
6: 219.408
7: 185.407
8: 197.326
9: 200.215
10: 186.804
11: 169.392
12: 149.181
13: 129.240
14: 109.949
15: 91.368
16: 75.446
17: 60.874
18: 48.377
19: 38.162
20: 29.761
21: 22.947
22: 17.709
23: 12.870
24: 9.124
25: 6.224
26: 3.966
27: 2.478
28: 1.376
29: 774
30: 418
31: 238
32: 119
33: 32
34: 19
35: 17
36: 5
37: 1
38: 0
39: 1