Take(a)n(d)make : if capture a piece, take its power for the last of the turn and make a move like it.
If a pawn taken: direction of the capturer.
-Maxima, Interweave, Roccoco
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-Synchrone Chess: allow to anticipate en-passant capture as well :)
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Dynamo chess
-Omega chess (ask first)
+Maxima, Interweave, Roccoco