Syzygy endgame tablebases

Black is losing with DTZ 472

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

KQNvKRBN.pgn lichess.org

Histogram: KQN winning vs. KRBN (log scale)

Longest KQNvKRBN phases

KQNvKRBN statistics (unique positions)

White wins:
247,681,177,243 (55.1%)
Frustrated white wins:
29,312,796,465 (6.5%)
Draws:
68,162,241,258 (15.2%)
Frustrated black wins:
35,765,764 (0.0%)
Black wins:
104,174,295,390 (23.2%)
KQNvKRBN.json (?)

KQNvKRBN dependencies

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

KRBNvKN · KQNvKBN · KQNvKRN · KRBNvKQ · KQNvKRB

KRBNvKQN.txt KRBNvKQN.dot