Syzygy endgame tablebases

White is winning DTZ 484

Kd3 Win with DTZ 483

Na3 Draw Nc3 Draw Nd2 Draw Ra2 Draw Rb3 Draw Rb4 Draw Rb5 Draw Rb6 Draw Rb7 Draw Rb8+ Draw Kb3 Draw Kc1 Draw Kc3 Draw Kd1 Draw

This is a cursed win. Mate can be forced, but a draw can be achieved under the fifty-move rule.

KRNvKNN.pgn lichess.org

Histogram: KRN winning vs. KNN (log scale)

Longest KRNvKNN phases

KRNvKNN statistics (unique positions)

White wins:
3,898,287,661 (40.8%)

Frustrated white wins:
325,815,449 (3.4%)

Draws:
5,319,461,532 (55.7%)

Black wins:
735,132 (0.0%)

KRNvKNN.json (?)

KRNvKNN dependencies

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

KNNvKN · KNNvKR · KRNvKN

KRNvKNN.txt KRNvKNN.dot