Syzygy endgame tablebases
White to move
Black to move
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White is winning with DTZ 1
Qxb4
Zeroing
Qa2+
Win with DTZ 2
Qa4+
Win with DTZ 2
Qd5+
Win with DTZ 2
Qf3+
Win with DTZ 2
Ra2+
Win with DTZ 2
Qc4
Win with DTZ 4
Rc2
Win with DTZ 4
Qc2
Win with DTZ 6
Qf7
Win with DTZ 6
Rf2
Win with DTZ 6
Rh5
Win with DTZ 6
Rh8
Win with DTZ 6
Qg8
Win with DTZ 8
Qe6
Win with DTZ 10
Re2
Win with DTZ 14
Qd3
Win with DTZ 16
Kd7
Win with DTZ 18
Rh6
Win with DTZ 20
Qb2
Draw
Qc3
Draw
Qd1
Draw
Kd8
Draw
Bc7
Draw
Bd6
Draw
Be5
Draw
Bf4
Draw
Bh4
Draw
Rb2
Draw
Rd2
Draw
Rg2
Draw
Rh1
Draw
Rh3
Draw
Rh4
Draw
Rh7
Draw
Bf2
Loss with DTZ 16
Bb8
Loss with DTZ 12
Kc7
Loss with DTZ 8
Be1
Loss with DTZ 8
Qa3+
Loss with DTZ 1
Qb1
Loss with DTZ 1
Qe3
Loss with DTZ 1
KQRBvKQB.pgn
lichess.org
Histogram: KQRB winning vs. KQB (log scale)
Longest KQRBvKQB phases
KQRB winning with DTZ 100
KQRB winning with DTZ 160 (frustrated)
KQRB losing with DTZ 90
KQRBvKQB statistics (unique positions)
White wins:
255,057,420,229 (68.1%)
Frustrated white wins:
476,792 (0.0%)
Draws:
66,012,401,214 (17.6%)
Black wins:
53,593,900,747 (14.3%)
KQRBvKQB.json
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