Syzygy endgame tablebases

Black is losing with DTZ 50

KRNvKB.pgn lichess.org

Histogram: KRN winning vs. KB (log scale)

Longest KRNvKB phases

KRNvKB statistics (unique positions)

White wins:
133,438,503 (81.4%)
Draws:
30,531,627 (18.6%)
Black wins:
130 (0.0%)
KRNvKB.json (?)