Syzygy endgame tablebases

White is losing with DTZ 4

KBBvKQQ.pgn lichess.org

Histogram: KBB losing vs. KQQ (log scale)

Longest KBBvKQQ phases

KBBvKQQ statistics (unique positions)

White wins:
5,111,728 (0.1%)
Draws:
19,622,210 (0.3%)
Frustrated black wins:
26,140,940 (0.4%)
Black wins:
7,181,704,840 (99.3%)
KBBvKQQ.json (?)

KBBvKQQ dependencies

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

KBBvKQ · KQQvKB

KQQvKBB.txt KQQvKBB.dot