Syzygy endgame tablebases
White to move
Black to move
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Black is winning with DTZ 174
Ke5
Win with DTZ 173
Na2
Draw
Nxb3
Draw
Nd3
Draw
Ne2
Draw
Ke6
Draw
Ke7
Draw
Kf5
Draw
Kf7
Draw
Kg5
Draw
Kg6
Draw
Kg7
Draw
Nf4
Draw
Ng3+
Draw
Ng7
Draw
This is a cursed win.
Mate can be forced, but a draw can be achieved under the fifty-move rule.
KPPPvKNN.pgn
lichess.org
Histogram: KPPP losing vs. KNN (log scale)
Longest KPPPvKNN phases
KPPP winning with DTZ 40
KPPP winning with DTZ 119 (frustrated)
KPPP losing with DTZ 174 (frustrated)
KPPP losing with DTZ 100
KPPPvKNN statistics (unique positions)
White wins:
470,928,058,392 (45.9%)
Frustrated white wins:
6,594,036 (0.0%)
Draws:
423,622,748,676 (41.3%)
Frustrated black wins:
50,286,669,672 (4.9%)
Black wins:
82,023,946,920 (8.0%)
KPPPvKNN.json
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