Syzygy endgame tablebases

Black is losing with DTZ 212

Bf1+ Loss with DTZ 211 Kf6 Loss with DTZ 209 Bc8+ Loss with DTZ 203 Bc4 Loss with DTZ 201 Kf5 Loss with DTZ 175 Bd3 Loss with DTZ 135 Be2 Loss with DTZ 135 Bb7 Loss with DTZ 133 Bb5 Loss with DTZ 131

Kh5 Loss with DTZ 63 Kh6 Loss with DTZ 63

This is a blessed loss. Mate can be forced, but a draw can be achieved under the fifty-move rule.

KBNPvKBP.pgn lichess.org

Histogram: KBNP winning vs. KBP (log scale)

Longest KBNPvKBP phases

KBNPvKBP statistics (unique positions)

White wins:
789,205,606,137 (61.4%)

Frustrated white wins:
636,059,321 (0.0%)

Draws:
364,640,420,686 (28.4%)

Frustrated black wins:
154,072,808 (0.0%)

Black wins:
130,040,521,172 (10.1%)

KBNPvKBP.json (?)

KBNPvKBP dependencies

To probe all KBNPvKBP positions, these tables and their transitive dependencies are also required:

KQBNvKBP · KBNPvKQB · KRBNvKBP · KBNPvKRB · KBBNvKBP · KBNPvKBB · KBPvKNP · KBNPvKP · KBNNvKBP · KBNPvKBN · KBPvKBP · KBNvKBP · KBNPvKB

KBNPvKBP.txt KBNPvKBP.dot