Etymology A back-formation from uncaptured; equivalent to un- + capture.
1
Rare To perform the reverse of a capture, especially in chess variants such as Retrochess.
Finally, uncapture WhP on h file. So in the diagram position Black's last move cannot be (a) P(g3) x P(f2) as white pawn must retract to g2 first; or (b) P(b6)xc5, as WhP has been captured on h file to allow promotion of BhP without a capture,[…]1967, The British Chess Magazine, volumes 86-87, Trubner & Company, page 28:
Unmoving pieces cannot capture, but they can uncapture, leaving a piece in their wake. This is simulated via interhyperboard communication. The uncapture operation can be computed by using outer products, corresponding to the parallel broadcast, or spread broadcast.1998 November 13, Lewis Stiller, “Multilinear Algebra and Chess Endgames”, in Richard J. Nowakowski, editor, Games of No Chance, Cambridge University Press, page 173:
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In April when asking him to uncapture a tax return he said: 'You don't want to do that again because next time it would be a smacked bottom'. Also in April, I asked whether the conservatory that he was having built was a big one, he raised his eyebrows and replied, 'Cor, yes!'.2004, Equal Opportunities Review, numbers 125-136, Industrial Relations Services, page 28:
uncapture
noun
Etymology A back-formation from uncaptured; equivalent to un- + capture.
The reports of the medical officers state that of 773 convicts who had arrived up to the 16th June, 1858, there had occurred 64 deaths In hospitals ; that 140 had escaped uncapture⁴, or had committed suicide; and 87 had been executed; leaving 481 only of the number.1862, George Bradshaw, Bradshaw's through routes, overland guide, and handbook to India, Egypt, Turkey, Persia, China, Australia, and New Zealand., W.J. Adams, page 322:
No. 109—Pe2—e3 let Bf1 out for capture, Pe7 came from f6, so we have 1 8f2—h1, Ph7xQg6, with play Kh4, Pg3; or 1 Bf2—g1, Ph7xRg6, with Be2, Pg4; or 1 8f7—h8, Ph7xBg6, with Kg4, Rxs4; or 1 Qc8—b8, Ph7x8g6, with Pe5, Qf5, a fourfold uncapture that astonished me when I brought it off.1935, Thomas Rayner Dawson, Charles Masson Fox, Five classics of fairy chess, Dover Publications, page 17:
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After an uncapture by White, Nd5xNe3, and an uncapture by Black, Nf3xNe3, the position is: White Ka1, Na3, d5, e3; Black Ke5, Ne6, e4, f$[…]1996, David Hooper, Kenneth Whyld, Oxford Companion to Chess, Oxford University Press, page 338: