Syzygy endgame tablebases

Black is losing with DTZ 28

Rb1+ Loss with DTZ 27 Rc2+ Loss with DTZ 21 Ra2 Loss with DTZ 1 Rb3 Loss with DTZ 1 Rb4 Loss with DTZ 1 Rb5 Loss with DTZ 1 Rb6 Loss with DTZ 1 Rb7 Loss with DTZ 1 Rb8 Loss with DTZ 1 Rd2 Loss with DTZ 1 Re2 Loss with DTZ 1 Rf2 Loss with DTZ 1 Rg2 Loss with DTZ 1 Rh2 Loss with DTZ 1

KQQQvKRR.pgn lichess.org

Histogram: KQQQ winning vs. KRR (log scale)

Longest KQQQvKRR phases

KQQQvKRR statistics (unique positions)

White wins:
326,227,138,020 (99.5%)

Draws:
687,157,122 (0.2%)

Black wins:
1,027,944,642 (0.3%)

KQQQvKRR.json (?)