Syzygy endgame tablebases

White is losing with DTZ 302

Kf4+ Loss with DTZ 301 Be5 Loss with DTZ 101 Bf6 Loss with DTZ 101 Bf8 Loss with DTZ 101 Bh8 Loss with DTZ 101 Bxd4 Zeroing

Ke5+ Loss with DTZ 15 Bh6 Loss with DTZ 11 Kf5+ Loss with DTZ 9 Ba2 Loss with DTZ 1 Ba8 Loss with DTZ 1 Bb3 Loss with DTZ 1 Bb7 Loss with DTZ 1 Bc4 Loss with DTZ 1 Bc6 Loss with DTZ 1 Be6 Loss with DTZ 1 Bf7 Loss with DTZ 1 Bg8 Loss with DTZ 1 c3 Zeroing c4 Zeroing

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

KBBPvKQP.pgn lichess.org

Histogram: KBBP losing vs. KQP (log scale)

Longest KBBPvKQP phases

KBBPvKQP statistics (unique positions)

White wins:
191,605,395,564 (17.3%)

Frustrated white wins:
12,840,508 (0.0%)

Draws:
90,665,922,516 (8.2%)

Frustrated black wins:
4,843,420,106 (0.4%)

Black wins:
819,989,528,644 (74.1%)

KBBPvKQP.json (?)

KBBPvKQP dependencies

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

KQBBvKQP · KBBPvKQQ · KBBPvKP · KRBBvKQP · KBBPvKQR · KBBBvKQP · KBBPvKQB · KQPvKBP · KBBNvKQP · KBBPvKQN · KQPvKBB · KBBPvKQ

KBBPvKQP.txt KBBPvKQP.dot