Syzygy endgame tablebases

White is winning with DTZ 135

Nb4+ Win with DTZ 134

Rxb2+ Draw Nc5 Draw Rb4 Draw Rb5 Draw Rb7 Draw Ka7 Draw Ka8 Draw Kb7 Draw Kc7 Draw Kc8 Draw

Nc7 Loss with DTZ 2 Nf7 Loss with DTZ 2 Ng6 Loss with DTZ 2 Rb3 Loss with DTZ 1 Rc6 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 cursed win. Mate can be forced, but a draw can be achieved under the fifty-move rule.

KRNNvKNP.pgn lichess.org

Histogram: KRNN winning vs. KNP (log scale)

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Longest KRNNvKNP phases

KRNNvKNP statistics (unique positions)

White wins:
1,382,902,010,236 (83.4%)

Frustrated white wins:
3,135,615,032 (0.2%)

Draws:
226,838,428,798 (13.7%)

Frustrated black wins:
28,446,224 (0.0%)

Black wins:
45,535,079,574 (2.7%)

KRNNvKNP.json (?)

KRNNvKNP dependencies

To probe all KRNNvKNP positions, these tables and their transitive dependencies are also required:

KRNNvKQN · KRNNvKRN · KNNvKNP · KRNNvKBN · KRNNvKNN · KRNvKNP · KRNNvKP · KRNNvKN

KRNNvKNP.txt KRNNvKNP.dot