Double Check - Variants and Triple Check

Variants and Triple Check

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With moas (shown as inverted knights) and grasshopper (shown as inverted queen), after Black moves his pawn to d5, taking it en passant results in quintuple check.
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With nightrider (shown as inverted knight), after Black moves his pawn to e5, taking it en passant results in triple check.

In chess with variant rules or fairy pieces, other ways of delivering a double check may be possible. Triple, quadruple and even quintuple checks may also be possible, for example in the position shown, after Black plays 1...d5, White plays 2.exd6 e.p. quintuple check (the moa is a non-leaping knight which first takes a diagonal step, then an orthogonal one). After the en passant capture, both moas, the rook, the grasshopper and the bishop check the black king.

In xiangqi, a Chinese version of chess, triple check and even quadruple check is possible even without using fairy chess pieces, as in the following examples:


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Triple check:
Red moves his horse from e5 to d7, giving check and exposing a double check from chariot and cannon.


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Quadruple check :
Red moved his chariot from f9 to e9 which suddenly uncovers two checks from the horses, makes a check of its own, and makes a platform for the cannon at e7 to give yet another check.

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