Syzygy endgame tablebases

White is losing with DTZ 118

Nc4+ Loss with DTZ 117

Nd3 Loss with DTZ 3 Na4 Loss with DTZ 1 Ba5 Loss with DTZ 1 Bb4+ Loss with DTZ 1 Bd2 Loss with DTZ 1 Bd4 Loss with DTZ 1 Be1 Loss with DTZ 1 Be5 Loss with DTZ 1 Bf6 Loss with DTZ 1 Bg7 Loss with DTZ 1 Bh8 Loss with DTZ 1 Kc1 Loss with DTZ 1 Nb4 Loss with DTZ 1 Nb6 Loss with DTZ 1 Nc7 Loss with DTZ 1 Ne3 Loss with DTZ 1 Ne7 Loss with DTZ 1 Nf4 Loss with DTZ 1 Nf6 Loss with DTZ 1

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

KBNNvKQB.pgn lichess.org

Histogram: KBNN losing vs. KQB (log scale)

⋮

Longest KBNNvKQB phases

KBNNvKQB statistics (unique positions)

White wins:
47,193,177,235 (10.1%)

Draws:
58,677,162,957 (12.6%)

Frustrated black wins:
4,076,650 (0.0%)

Black wins:
361,574,686,010 (77.4%)

KBNNvKQB.json (?)

KBNNvKQB dependencies

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

KBNNvKB · KQBvKNN · KBNNvKQ · KQBvKBN

KBNNvKQB.txt KBNNvKQB.dot