Syzygy endgame tablebases

Black is winning with DTZ 123

Bf4+ Win with DTZ 122

Kd4 Draw Ba3+ Draw Bb4 Draw Bb8 Draw Bc5 Draw Be5 Draw Bg3 Draw Bh2 Draw Bd5 Draw Be4 Draw

Kb3 Loss with DTZ 1 Kb4 Loss with DTZ 1 Kc4 Loss with DTZ 1 Kd3 Loss with DTZ 1 Bc7 Loss with DTZ 1 Be7 Loss with DTZ 1 Bf8 Loss with DTZ 1 Ba8 Loss with DTZ 1 Bb7 Loss with DTZ 1 Bc6 Loss with DTZ 1 Bf1 Loss with DTZ 1 Bf3 Loss with DTZ 1 Bh1 Loss with DTZ 1 Bh3 Loss with DTZ 1

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

KNNNvKBB.pgn lichess.org

Histogram: KNNN losing vs. KBB (log scale)

⋮

Longest KNNNvKBB phases

KNNNvKBB statistics

55,773,704,286 (10.4%)

84,086,400 (0.0%)

474,718,977,510 (88.4%)

4,548,996,936 (0.8%)

2,092,574,856 (0.4%)

KNNNvKBB.json (?)