Gate-opening

A piece moves off a line, so enabling a line-piece to move across the vacated square.

Sammelius, Carel Johan Robert

The Problemist, 1985

(corr. V. Paliulionis)

h#6  (2+10)

1.Bd2 Sxe4 2.Ba5 Sd6 3.Re6 Sxf5 4.Rb6 Sxg7 5.Qh7 Se6 6.Qa7 Sc5#

View in Helpmate Analyzer

FEN: 8/6p1/k4p1b/1b3p2/3pp3/2N3K1/8/1q2r3

External links:

• PDB: P0564216