Syzygy endgame tablebases

White is winning with DTZ 19

KQBNvKQ.pgn lichess.org

Histogram: KQBN winning vs. KQ (log scale)

Longest KQBNvKQ phases

KQBNvKQ statistics (unique positions)

White wins:
5,059,240,505 (69.0%)
Frustrated white wins:
6,440 (0.0%)
Draws:
1,271,634,239 (17.3%)
Black wins:
1,004,512,982 (13.7%)
KQBNvKQ.json (?)

KQBNvKQ dependencies

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

KBNvKQ · KQBNvK · KQNvKQ · KQBvKQ

KQBNvKQ.txt KQBNvKQ.dot