Syzygy endgame tablebases

Black is losing with DTZ 2

Kd4 Loss with DTZ 1 Ke3 Loss with DTZ 1 Ke5 Loss with DTZ 1 Kf4 Loss with DTZ 1 Kf5 Loss with DTZ 1

KQBBvKRN.pgn lichess.org

Histogram: KQBB winning vs. KRN (log scale)

⋮

Longest KQBBvKRN phases

KQBBvKRN statistics (unique positions)

White wins:
365,268,815,524 (83.0%)

Frustrated white wins:
4,853,430,324 (1.1%)

Draws:
53,337,822,289 (12.1%)

Frustrated black wins:
11,705,712,773 (2.7%)

Black wins:
5,171,213,104 (1.2%)

KQBBvKRN.json (?)

KQBBvKRN dependencies

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

KRNvKBB · KQBBvKN · KQBvKRN · KQBBvKR

KQBBvKRN.txt KQBBvKRN.dot