Deepest win for white:


[Event ""]
[Date "2010.09.06"]
[Site ""]
[White "Perfect play"]
[Black "Perfect play"]
[Result "1-0"]
[Round ""]
[GameType "20"]
[FEN "W:W23:B2,4,5,7,18."]


1. 23x1 5-10 {4-10, 4-9, 2-8} 2. 1-12 {1-18, 1-23, 1-29, 1-34, 1-40, 1-45} 10-15 {10-14, 4-9} 3. 12-1 {12-18, 12-23, 12-29, 12-34, 12-40, 12-45} 15-20 {4-9, 2-8} 4. 1-12 {1-18, 1-23, 1-29, 1-34, 1-40, 1-45} 20-25 {20-24, 4-10, 4-9} 5. 12-1 {12-18, 12-23, 12-29, 12-34, 12-40, 12-45} 25-30 {4-10, 4-9, 2-8} 6. 1-29 {1-40, 1-45} 30-35 {4-10, 4-9, 2-8} 7. 29-1 {29-34, 29-45} 4-10 {4-9, 2-8} 8. 1-18 {1-29, 1-34, 1-45} 10-15 {10-14, 2-8} 9. 18-1 {18-23, 18-34, 18-45} 15-20 {2-8} 10. 1-12 {1-18, 1-23, 1-34, 1-45} 20-25 {20-24} 11. 12-1 {12-18, 12-23, 12-29, 12-45} 25-30 {2-8} 12. 1-18 {1-23, 1-29, 1-45} 2-8 13. 18-7 {18-1, 18-23, 18-29, 18-45} 8-13 14. 7-1 {7-12, 7-29, 7-45} 35-40 {13-19} 15. 1x45 13-19 16. 45-40 {45-29, 45-18, 45-12, 45-7, 45-1} 19-24 17. 40-23 {40-18, 40-12, 40-7, 40-1, 40-45} 30-35 18. 23-18 {23-12, 23-7, 23-1, 23-34, 23-45} 35-40 19. 18x45 24-30 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: 517 (0.0%)
Draw: 283.980 (0.8%)
Lose: 36.891.266 (99.2%)

Number of positions with white to win in X moves
1: 0
2: 0
3: 0
4: 0
5: 39
6: 10
7: 14
8: 35
9: 55
10: 54
11: 81
12: 66
13: 29
14: 38
15: 41
16: 8
17: 6
18: 17
19: 10
20: 6
21: 8
 Number of positions with white to lose in X moves
1: 5.161.296
2: 7.717.478
3: 8.553.716
4: 4.145.069
5: 1.761.939
6: 823.723
7: 434.828
8: 456.161
9: 652.721
10: 824.434
11: 886.168
12: 847.160
13: 764.119
14: 663.610
15: 563.371
16: 469.760
17: 384.911
18: 316.737
19: 260.436
20: 217.205
21: 179.033
22: 145.837
23: 116.962
24: 90.773
25: 66.870
26: 48.429
27: 33.308
28: 22.514
29: 14.381
30: 8.771
31: 5.079
32: 2.908
33: 1.461
34: 805
35: 349
36: 156
37: 105
38: 40
39: 24
40: 19
41: 2

All positions

Win: 22.000 (0.0%)
Draw: 1.351.022 (2.7%)
Lose: 48.176.093 (97.2%)

Number of positions with white to win in X moves
1: 1.031
2: 763
3: 835
4: 2.287
5: 1.986
6: 1.446
7: 1.253
8: 1.320
9: 1.571
10: 1.643
11: 1.713
12: 1.494
13: 1.033
14: 914
15: 773
16: 609
17: 422
18: 348
19: 283
20: 149
21: 104
22: 23
 Number of positions with white to lose in X moves
1: 5.692.249
2: 10.489.658
3: 11.086.006
4: 6.453.875
5: 2.527.366
6: 1.154.034
7: 559.875
8: 523.741
9: 707.908
10: 897.508
11: 991.831
12: 983.192
13: 919.994
14: 829.260
15: 726.260
16: 623.973
17: 526.408
18: 445.018
19: 373.250
20: 315.421
21: 263.730
22: 216.517
23: 173.486
24: 135.397
25: 100.341
26: 72.656
27: 50.466
28: 34.528
29: 22.256
30: 13.748
31: 8.056
32: 4.549
33: 2.307
34: 1.311
35: 635
36: 306
37: 200
38: 94
39: 43
40: 30
41: 10
42: 2