Target placement
Sometimes, a tail piece of a pin isn't in place just yet. There are several ways to lure the target into the line of attack. Capture is one of them. Diagram 1. White to move 2r2q2/2r2pk1/2R3p1/3pp2p/2bP1N1n/4P1P1/4BP1K/R1Q5 w - - 1 1 [ solution ] The c-file is the line of attack. After 1.Rxc7, the bishop on c4 is immediately pinned. The aura of the white queen extends to c8. After 1. ... Rxc7, the tail piece of the pin is in place. I promote the "coat hook" target placement to the branch of the geometry motif. Tree of motifs vs. 0.2