Fork me on GitHub

Syzygy endgame tablebases

Black is losing with DTZ 581

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

KRRNvKRR.pgn

Histogram: KRRN winning (log scale)

Longest KRRNvKRR phases

KRRNvKRR statistics

160,933,852,332 (37.2%)
38,263,694,798 (8.8%)
207,018,085,544 (47.8%)
1,126,184 (0.0%)
26,488,119,710 (6.1%)
KRRNvKRR.json (?)