Syzygy endgame tablebases

White is winning with DTZ 263

Bg7+ Win with DTZ 262

b3 Draw b4 Draw Ba4 Draw Bb5 Draw Bc6 Draw Bc8 Draw Be6 Draw Be8 Draw Bf5 Draw Bg4 Draw Bh3 Draw Ba3 Draw Bb4 Draw Bc5 Draw Bd6 Draw Be7+ Draw Kh5 Draw Kh7 Draw

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

KBBPvKR.pgn lichess.org

Histogram: KBBP winning vs. KR (log scale)

Longest KBBPvKR phases

KBBPvKR statistics (unique positions)

White wins:
12,325,006,042 (44.2%)

Frustrated white wins:
6,250,502 (0.0%)

Draws:
15,445,814,126 (55.4%)

Black wins:
122,012,734 (0.4%)

KBBPvKR.json (?)

KBBPvKR dependencies

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

KQBBvKR · KRBBvKR · KBBPvK · KBBBvKR · KBPvKR · KBBNvKR · KBBvKR

KBBPvKR.txt KBBPvKR.dot