Syzygy endgame tablebases

Black is winning with DTZ 1

KQRNvKQ.pgn lichess.org

Histogram: KQRN losing vs. KQ (log scale)

Longest KQRNvKQ phases

KQRNvKQ statistics

5,521,387,917 (78.5%)
6,850 (0.0%)
1,202,518,144 (17.1%)
314,105,193 (4.5%)
KQRNvKQ.json (?)