All results are relative to White. Black-to-move source positions are rotated 180 degrees and their colors exchanged. Bounds and unknown remain distinct.
Opposite material: White to move
Full count | Special positions | Back to statistics
White to move. Captures included. Percentages use this category's legal total.
Win: 18.433.624.252 (15.6%)White to move. White has no capture. Percentages use this category's legal total.
Win: 4.572.159.408 (11.3%)White to move. Neither side has a capture. Percentages use this category's legal total.
Win: 2.394.036.794 (8.8%)Saved slices: 1682; mirrored slices: 0. Invalid or unreadable files excluded: 0. Counts cover saved and color-reversed mirrored slices; examples sample saved slices. Header and file length checked; payload checksum and WDL correctness are not verified by this report.
Random validation examples: single-board viewer | JSON (13442 positions; 3 slices with fewer than eight).
Example search: sampled. Examined 984744 of 181499876910 saved physical-board indexes (863183 legal, 596849 double quiet). Large reports inspect at most 1000000 indexes in evenly spaced windows across saved slices. An absent example does not prove that the category is absent.
Only exact partial WIN/DRAW/LOSS values qualify as example results. Bounds and unknown alternatives remain distinct. DPART002 blocks used for examples have their block checksums checked; full-file checksums and independent WDL correctness are not verified.
One example per category. Every starting position is double quiet: neither side has a capture. Results and move outcomes are relative to the player to move in the diagram. Kings have a double ring.
All diagrams and move results are for White to move.
Pip count means remaining rank distance to promotion (kings: zero). Highest pip count puts men nearest their starting ranks; both sides must simultaneously attain their material's maximum.
At least three legal moves; exactly one wins and every alternative draws or loses.
White to move: Win. Pip count: White 17, Black 45.
W:W13,14,22,48:B1,2,3,4,5
| Move | Result |
|---|---|
| 13-8 | Loss |
| 14-9 | Loss |
| 22-17 | Draw |
| 48-42 | Draw |
| 13-9 | Loss |
| 14-10 | Loss |
| 22-18 | Win |
| 48-43 | Draw |
At least two legal moves; exactly one draws and every alternative loses.
White to move: Draw. Pip count: White 29, Black 45.
W:W36,39,40,41:B1,2,3,4,5
| Move | Result |
|---|---|
| 39-33 | Loss |
| 40-34 | Loss |
| 36-31 | Draw |
| 39-34 | Loss |
| 40-35 | Loss |
| 41-37 | Loss |
On this same board, White to move loses and Black to move loses.
White to move: Loss. Pip count: White 9, Black 44.
W:W11,12,14,17:B1,2,3,5,6
| Move | Result |
|---|---|
| 12-7 | Loss |
| 14-9 | Loss |
| 11-7 | Loss |
| 12-8 | Loss |
| 14-10 | Loss |
On this same board, White to move wins and Black to move wins.
White to move: Win. Pip count: White 12, Black 45.
W:W12,13,19,28:B1,2,3,4,5
| Move | Result |
|---|---|
| 12-7 | Loss |
| 13-8 | Loss |
| 28-22 | Loss |
| 12-8 | Draw |
| 13-9 | Loss |
| 19-14 | Win |
| 28-23 | Loss |
Exactly one of at least two moves wins; every compulsory reply captures the piece offered by that move.
White to move: Win. Pip count: White 11, Black 45.
W:W12,13,19,24:B1,2,3,4,5
| Move | Result |
|---|---|
| 12-7 | Draw |
| 13-8 | Win |
| 12-8 | Draw |
| 13-9 | Loss |
| 19-14 | Draw |
| 24-20 | Draw |
A promotion draws or loses, while a non-promoting move wins.
White to move: Win. Pip count: White 18, Black 43.
W:W6,15,38,43:B2,3,4,7,8
| Move | Result |
|---|---|
| 15-10 | Win |
| 38-32 | Draw |
| 6-1 | Draw |
| 38-33 | Draw |
| 43-39 | Draw |
Both sides attain their maximum pip count; the player to move wins.
No qualifying example proved from the available WDL data.
Both sides attain their maximum pip count; the player to move loses.
White to move: Loss. Pip count: White 36, Black 45.
W:W47,48,49,50:B1,2,3,4,5
| Move | Result |
|---|---|
| 47-41 | Loss |
| 48-42 | Loss |
| 49-43 | Loss |
| 50-44 | Loss |
| 47-42 | Loss |
| 48-43 | Loss |
| 49-44 | Loss |
| 50-45 | Loss |
White to move wins, with all Black pieces on squares 1-5. Among the qualifying positions inspected, select the greatest White pip count (men closest to their starting rank).
White to move: Win. Pip count: White 17, Black 45.
W:W13,14,22,49:B1,2,3,4,5
| Move | Result |
|---|---|
| 13-8 | Loss |
| 14-9 | Loss |
| 22-17 | Win |
| 49-43 | Draw |
| 13-9 | Loss |
| 14-10 | Loss |
| 22-18 | Win |
| 49-44 | Draw |
Some dependency probes were unavailable or exceeded the memory budget. Unknown alternatives were not treated as draws; categories without an example may be incomplete.
The Black-starting-rank category additionally inspected 20000 candidate boards, working outward from White's starting rank, with a limit of 20000. It shows the closest proven winner found; unavailable results remain unresolved.
Example reader: 3583 block reads; 0 invalid or unreadable dependency files/blocks excluded.