Syzygy endgame tablebases

Black is winning with DTZ 114

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

KQBNvKRB.pgn lichess.org

Histogram: KQBN losing vs. KRB (log scale)

⋮

Longest KQBNvKRB phases

KQBNvKRB statistics (unique positions)

White wins:
349,433,234,278 (79.3%)
Draws:
60,809,653,151 (13.8%)
Frustrated black wins:
13,774,567,561 (3.1%)
Black wins:
16,811,438,422 (3.8%)
KQBNvKRB.json (?)

KQBNvKRB dependencies

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

KRBvKBN · KQBNvKB · KQNvKRB · KQBNvKR · KQBvKRB

KQBNvKRB.txt KQBNvKRB.dot