Syzygy endgame tablebases
White to move
Black to move
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White is losing with DTZ 189
Kc2
Loss with DTZ 188
Ka2
Loss with DTZ 170
Kb2
Loss with DTZ 170
Qd1
Loss with DTZ 1
This is a blessed loss.
Mate can be forced, but a draw can be achieved under the fifty-move rule.
KQRPvKQR.pgn
lichess.org
Histogram: KQRP losing vs. KQR (log scale)
Longest KQRPvKQR phases
KQRP winning with DTZ 100
KQRP winning with DTZ 178 (frustrated)
KQRP losing with DTZ 190 (frustrated)
KQRP losing with DTZ 100
KQRPvKQR statistics (unique positions)
White wins:
562,911,166,740 (49.7%)
Frustrated white wins:
10,954,265 (0.0%)
Draws:
130,692,156,422 (11.5%)
Frustrated black wins:
35,036,720 (0.0%)
Black wins:
438,843,036,751 (38.8%)
KQRPvKQR.json
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