Syzygy endgame tablebases

Black is winning with DTZ 14

KRRBvKRN.pgn lichess.org

Histogram: KRRB losing vs. KRN (log scale)

Longest KRRBvKRN phases

KRRBvKRN statistics (unique positions)

White wins:
350,245,413,724 (76.4%)
Frustrated white wins:
970,984 (0.0%)
Draws:
107,011,415,111 (23.3%)
Black wins:
1,370,450,947 (0.3%)
KRRBvKRN.json (?)

KRRBvKRN dependencies

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

KRBvKRN · KRRBvKN · KRRvKRN · KRRBvKR

KRRBvKRN.txt KRRBvKRN.dot