Blackmar Diemer Gambit Ryder Gambit Puzzle (Rated 1115): Exploit a Pin — Decisive Middlegame Tactics
This puzzle shows how a pin can turn into a decisive tactical win when the enemy king is exposed and key defenders are overloaded. White’s active pieces coordinate to attack the black king while also targeting loose material and trapped pieces. The position is a classic middlegame example of forcing play: a checking move creates a direct threat, and the follow-up wins more material by exploiting the pinned defender and the awkward placement of the black queen and rook.