Syzygy endgame tablebases
White to move
Black to move
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White is winning with DTZ 25
Ra2
Win with DTZ 24
Rd3+
Win with DTZ 26
Rf3
Win with DTZ 26
Rc3
Win with DTZ 30
Rg3
Win with DTZ 30
Nb3
Win with DTZ 34
Nc2
Win with DTZ 34
Kb2
Win with DTZ 34
Ra7
Win with DTZ 40
Re3
Win with DTZ 40
Ra5
Win with DTZ 45
Ra4
Win with DTZ 48
Bb2
Win with DTZ 48
Rb3
Win with DTZ 58
Bf6
Win with DTZ 60
Bc3
Win with DTZ 66
Bg7
Win with DTZ 72
Ra6
Draw
Ra8
Draw
Rh3
Draw
Ba7
Draw
Bb6
Draw
Bc5
Draw
Be3
Draw
Bf2
Draw
Bg1
Draw
Bb8
Draw
Bc7
Draw
Bd6
Draw
Bf4
Draw
Bg3
Draw
Bh2
Draw
Bh8
Draw
KRBBNvKQ.pgn
lichess.org
Histogram: KRBBN winning vs. KQ (log scale)
Longest KRBBNvKQ phases
KRBBN winning with DTZ 100
KRBBN winning with DTZ 380 (frustrated)
KRBBN losing with DTZ 132 (frustrated)
KRBBN losing with DTZ 41
KRBBNvKQ statistics (unique positions)
White wins:
274,292,994,419 (62.4%)
Frustrated white wins:
99,663,112 (0.0%)
Draws:
138,469,313,381 (31.5%)
Frustrated black wins:
2,380,920,624 (0.5%)
Black wins:
23,985,948,792 (5.5%)
KRBBNvKQ.json
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