Syzygy endgame tablebases

Tablebase draw

KBBPvKBB.pgn lichess.org

Histogram: KBBP losing vs. KBB (log scale)

Longest KBBPvKBB phases

KBBPvKBB statistics (unique positions)

White wins:
336,670,955,672 (21.3%)
Frustrated white wins:
125,810,352 (0.0%)
Draws:
1,240,475,359,452 (78.5%)
Frustrated black wins:
7,216 (0.0%)
Black wins:
3,275,520,124 (0.2%)
KBBPvKBB.json (?)