Syzygy endgame tablebases
White to move
Black to move
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White is losing with DTZ 8
Be4
Loss with DTZ 7
Bf7
Loss with DTZ 7
Ke2
Loss with DTZ 5
Kc4
Loss with DTZ 3
Kd4
Loss with DTZ 3
Ke3
Loss with DTZ 3
Ke4
Loss with DTZ 3
Bc8
Loss with DTZ 3
Bd1
Loss with DTZ 3
Bd7
Loss with DTZ 3
Be2
Loss with DTZ 3
Be6
Loss with DTZ 3
Bf3
Loss with DTZ 3
B4f5
Loss with DTZ 3
Bh3
Loss with DTZ 3
B4h5
Loss with DTZ 3
Be8
Loss with DTZ 3
B6f5
Loss with DTZ 3
B6h5
Loss with DTZ 3
Bh7
Loss with DTZ 3
Rd1
Loss with DTZ 3
Rf1
Loss with DTZ 3
Rg1
Loss with DTZ 3
Rh3
Loss with DTZ 3
Rh4
Loss with DTZ 3
Rh5
Loss with DTZ 3
Rh6
Loss with DTZ 3
Rh7
Loss with DTZ 3
Rh8
Loss with DTZ 3
Ra1
Loss with DTZ 1
Rb1+
Loss with DTZ 1
Rc1
Loss with DTZ 1
Re1
Loss with DTZ 1
Rh2+
Loss with DTZ 1
KRBBvKQB.pgn
lichess.org
Histogram: KRBB losing vs. KQB (log scale)
Longest KRBBvKQB phases
KRBB winning with DTZ 47
KRBB losing with DTZ 346 (frustrated)
KRBB losing with DTZ 100
KRBBvKQB statistics (unique positions)
White wins:
96,872,746,222 (22.8%)
Draws:
87,590,154,493 (20.6%)
Frustrated black wins:
17,828,519,516 (4.2%)
Black wins:
222,764,764,957 (52.4%)
KRBBvKQB.json
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