Syzygy endgame tablebases

White is winning with DTZ 275

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

KRRBvKRR.pgn lichess.org

Histogram: KRRB winning vs. KRR (log scale)

Longest KRRBvKRR phases

KRRBvKRR statistics (unique positions)

White wins:
224,086,160,932 (52.9%)
Frustrated white wins:
4,854,274,928 (1.1%)
Draws:
182,316,537,456 (43.0%)
Frustrated black wins:
8,328 (0.0%)
Black wins:
12,319,084,298 (2.9%)
KRRBvKRR.json (?)

KRRBvKRR dependencies

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

KRRvKRB · KRRBvKR · KRRvKRR

KRRBvKRR.txt KRRBvKRR.dot