Authier theme

On the first move a black piece unpins the white piece which immediately plays off the pin-line. Then the same black piece discovers a check but at the same time unpins another white piece which interposes the check and mates. Note that the second half of the solution is identical to a two-move Guidelli theme.

See also: Guidelli theme.

Authier, Gabriel

L'Echiquier de Paris, 1954

Example: Authier theme
h#2  (5+7)

1.Be2 Rc5 2.Bh5+ Bf2#

View in Helpmate Analyzer

FEN: 8/7q/7r/1b6/nn1k3B/8/1rR4K/QB6

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