Syzygy endgame tablebases

Black is losing with DTZ 42

KQRNvKRN.pgn lichess.org

Histogram: KQRN winning vs. KRN (log scale)

Longest KQRNvKRN phases

KQRNvKRN statistics (unique positions)

White wins:
380,556,145,827 (87.3%)
Draws:
54,304,292,055 (12.5%)
Black wins:
1,227,243,166 (0.3%)
KQRNvKRN.json (?)