unch

İngilizce - İngilizce

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An unchecked square: one that is part of only one entry (i.e., across or down, but not both)

The bars and multitude of black squares are common in British puzzles because they allow unchecked letters (called unches)—or letters that don't need to cross with another answer.... There are rules regarding the unches, and traditionally every other letter in a solution should be checked with another letter.

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