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For a zugzwang where x>y and:

  • If white has the move, White can force checkmate in x full moves
  • If Black has the move, White can force checkmate in y full moves

The score of such a zugzwang is x-y. What is the maximum possible score? I know of a position with score 84-25=59.

[Title "WTM wins in 84, BTM loses in 25 "]
[FEN "8/8/8/3k2P1/4pKP1/8/8/8 w - - 0 1"]
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  • 1
    I feel the title could be much cleaner, but it eludes my intuition as to how.
    – Rewan Demontay
    Commented Jul 2 at 5:43
  • My suggestion is a bit long, but concise, I think.
    – Hauke Reddmann
    Commented Jul 2 at 7:11
  • 1
    Is the x+y record known?
    – Laska
    Commented Jul 2 at 9:22
  • 1
    8/8/8/8/8/1k2p3/4P3/KN6 (17+28=45) is max for 3-5 men
    – Lucenaposition
    Commented Jul 2 at 9:29

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