Syzygy endgame tablebases

Black is losing with DTZ 18

KRBNNvKB.pgn lichess.org

Histogram: KRBNN winning vs. KB (log scale)

Longest KRBNNvKB phases

KRBNNvKB statistics (unique positions)

White wins:
515,112,833,570 (99.6%)
Draws:
2,043,067,632 (0.4%)
Black wins:
5,436,610 (0.0%)
KRBNNvKB.json (?)