Alekhine's gunW
Alekhine's gun
Back-rank checkmateW
Back-rank checkmate
Battery (chess)W
Battery (chess)
Block (chess)W
Block (chess)
CastlingW
Castling
Clearance sacrificeW
Clearance sacrifice
Deflection (chess)W
Deflection (chess)
Discovered attackW
Discovered attack
Fork (chess)W
Fork (chess)
Interference (chess)W
Interference (chess)
Queen sacrificeW
Queen sacrifice
Réti endgame studyW
Réti endgame study
Sacrifice (chess)W
Sacrifice (chess)
Smothered mateW
Smothered mate
Undermining (chess)W
Undermining (chess)