Syzygy endgame tablebases
White to move
Black to move
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Black is losing with DTZ 101
Rxh5
Zeroing
Re7
Loss with DTZ 5
Rd7
Loss with DTZ 3
Rg7
Loss with DTZ 3
Na6
Loss with DTZ 1
Na8
Loss with DTZ 1
Nb5
Loss with DTZ 1
Nd5
Loss with DTZ 1
Ne8
Loss with DTZ 1
Kd6
Loss with DTZ 1
Ke7
Loss with DTZ 1
Kf6
Loss with DTZ 1
Rf7
Loss with DTZ 1
Rh6
Loss with DTZ 1
Rh8+
Loss with DTZ 1
This is a blessed loss.
Mate can be forced, but a draw can be achieved under the fifty-move rule.
KQBBvKRN.pgn
lichess.org
Histogram: KQBB winning vs. KRN (log scale)
⋮
Longest KQBBvKRN phases
KQBB winning with DTZ 48
KQBB winning with DTZ 124 (frustrated)
KQBB losing with DTZ 115 (frustrated)
KQBB losing with DTZ 13
KQBBvKRN statistics (unique positions)
White wins:
365,268,815,524 (83.0%)
Frustrated white wins:
4,853,430,324 (1.1%)
Draws:
53,337,822,289 (12.1%)
Frustrated black wins:
11,705,712,773 (2.7%)
Black wins:
5,171,213,104 (1.2%)
KQBBvKRN.json
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