I've been teaching Anastasia's mate (*) to various children in the last few weeks. This meant that I saw the tactic based on 15. Bxd5 in the following OTB game from several moves away.
(*) See http://www.chess.com/article/view/mating-patterns-5-anastasias-mate
[FEN "r3r2k/3qNppn/p1N2n2/1p4p1/2pP4/5QPP/PPP2P2/R3R1K1 w - - 0 1"] [SetUp "1"]
{-------------- r . . . r . . k . . . q N p p n p . N . . n . . . p . . . . p . . . p P . . . . . . . . . Q P P P P P . . P . . R . . . R . K . white to play --------------} 1. Ne5 Qxe7 2. Ng6+ fxg6 3. Rxe7 Rxe7 4. Qxa8+ *