Syzygy endgame tablebases
White to move
Black to move
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Black is losing with DTZ 118
Rc6
Loss with DTZ 117
Nb7
Loss with DTZ 5
Nc6
Loss with DTZ 3
Ra8
Loss with DTZ 3
Ke2
Loss with DTZ 3
Kf2
Loss with DTZ 3
Nb3
Loss with DTZ 1
Nc4
Loss with DTZ 1
Ra7
Loss with DTZ 1
Rb6
Loss with DTZ 1
Rd6
Loss with DTZ 1
Re6
Loss with DTZ 1
Rf6
Loss with DTZ 1
Rg6
Loss with DTZ 1
Rh6
Loss with DTZ 1
This is a blessed loss.
Mate can be forced, but a draw can be achieved under the fifty-move rule.
KQBNvKRN.pgn
lichess.org
Histogram: KQBN winning vs. KRN (log scale)
⋮
Longest KQBNvKRN phases
KQBN winning with DTZ 47
KQBN winning with DTZ 118 (frustrated)
KQBN losing with DTZ 113 (frustrated)
KQBN losing with DTZ 15
KQBNvKRN statistics (unique positions)
White wins:
367,612,368,631 (81.2%)
Frustrated white wins:
25,190,949 (0.0%)
Draws:
74,468,661,616 (16.5%)
Frustrated black wins:
1,914,358,152 (0.4%)
Black wins:
8,631,355,860 (1.9%)
KQBNvKRN.json
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