Smothered and locked checkmate! Morphy's immortal mate. J McConnell vs Morphy, 1849  (C38) King's Gambit Accepted, 23 moves, 0-1 King's Indian Attack really. Goes to final endgame. Turov vs T Sachdev, 2012  (A04) Reti Opening, 68 moves, 1-0 2 games