Syzygy endgame tablebases
White to move
Black to move
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Black is losing with DTZ 104
Kf4
Loss with DTZ 103
Kg5
Loss with DTZ 5
Kh4
Loss with DTZ 5
Kh5
Loss with DTZ 5
This is a blessed loss.
Mate can be forced, but a draw can be achieved under the fifty-move rule.
KRNNPvKB.pgn
lichess.org
Histogram: KRNNP winning vs. KB (log scale)
⋮
Longest KRNNPvKB phases
KRNNP winning with DTZ 21
KRNNP winning with DTZ 105 (frustrated)
KRNNP losing with DTZ 7
KRNNPvKB statistics (unique positions)
White wins:
1,597,380,607,338 (98.5%)
Frustrated white wins:
965,536 (0.0%)
Draws:
24,349,357,714 (1.5%)
Black wins:
12,512,544 (0.0%)
KRNNPvKB.json
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