Syzygy endgame tablebases

Black is winning DTZ 206

Qa3+ Win with DTZ 205

b2 Draw Qb1 Draw Qb2 Draw Qc2 Draw Qc8 Draw Qd1 Draw Qe1 Draw Qg1 Draw Qh1 Draw Kg7 Draw Kh5 Draw Kh7 Draw

Qa1 Loss with DTZ 3 Qc3 Loss with DTZ 1 Qc4 Loss with DTZ 1 Qc5+ Loss with DTZ 1 Qc6+ Loss with DTZ 1 Qc7+ Loss with DTZ 1 Qf1 Loss with DTZ 1 Qxd2+ Zeroing

This is a cursed win. Mate can be forced, but a draw can be achieved under the fifty-move rule.

KQPPvKQP.pgn lichess.org

Histogram: KQPP losing vs. KQP (log scale)

Longest KQPPvKQP phases

KQPPvKQP statistics (unique positions)

White wins:
367,915,808,250 (47.8%)

Frustrated white wins:
64,275,582 (0.0%)

Draws:
213,345,160,604 (27.7%)

Frustrated black wins:
20,525,834 (0.0%)

Black wins:
188,321,984,818 (24.5%)

KQPPvKQP.json (?)

KQPPvKQP dependencies

To probe all KQPPvKQP positions, these tables and their transitive dependencies are also required:

KQQPvKQP · KQPPvKQQ · KQPvKPP · KQPPvKP · KQRPvKQP · KQPPvKQR · KQBPvKQP · KQPPvKQB · KQNPvKQP · KQPPvKQN · KQPvKQP · KQPPvKQ

KQPPvKQP.txt KQPPvKQP.dot