Syzygy endgame tablebases

Tablebase draw

KRvKRB.pgn lichess.org

Histogram: KR losing vs. KRB (log scale)

Longest KRvKRB phases

KRvKRB statistics (unique positions)

White wins:
726,220 (0.5%)
Draws:
118,462,990 (77.6%)
Frustrated black wins:
2,855 (0.0%)
Black wins:
33,428,445 (21.9%)
KRvKRB.json (?)

KRvKRB dependencies

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

KRBvK · KRvKB · KRvKR

KRBvKR.txt KRBvKR.dot