Syzygy endgame tablebases

Black is winning with DTZ 13

KRRRvKQR.pgn lichess.org

Histogram: KRRR losing vs. KQR (log scale)

Longest KRRRvKQR phases

KRRRvKQR statistics

172,874,987,361 (47.2%)
362,070 (0.0%)
57,104,401,164 (15.6%)
947,706 (0.0%)
136,192,676,415 (37.2%)
KRRRvKQR.json (?)