248 real-game puzzles in this collection
What is a mate in 4?
Longer forced mates from real games, usually a sacrifice, a king hunt and a precise finish. Every branch is mate — finding the order is the work.
How to spot it
Divide the line into phases: strip the shelter, drive the king, deliver mate. Verify the most stubborn defense at each fork before starting.
What this set trains
Deep forcing-line calculation with a guaranteed payoff — the best stamina training tactics can offer.
Foundation: 8Developing: 60Challenging: 74Advanced: 106
foundation
Rating 731
endgamematemateIn4
foundation
Rating 777
backRankMateendgamemate
foundation
Rating 975
backRankMatematemateIn4
foundation
Rating 1015
deflectionendgamemate
foundation
Rating 1059
endgamematemateIn4
foundation
Rating 1147
deflectionendgamekingsideAttack
foundation
Rating 1171
matemateIn4middlegame
foundation
Rating 1177
advancedPawnbackRankMatefork
developing
Rating 1212
clearancedeflectionendgame
developing
Rating 1214
kingsideAttackmatemateIn4
developing
Rating 1231
attractionendgamemate
developing
Rating 1249
deflectionendgamemate
developing
Rating 1252
attractionmatemateIn4
developing
Rating 1261
backRankMateendgamemate
developing
Rating 1275
backRankMatedeflectionendgame
developing
Rating 1277
anastasiaMateattractionendgame
developing
Rating 1278
backRankMatedeflectionendgame
developing
Rating 1282
attractionmatemateIn4
developing
Rating 1306
discoveredAttackdiscoveredCheckmaster
developing
Rating 1306
exposedKingforkmate
developing
Rating 1323
matemateIn4middlegame
developing
Rating 1333
deflectionendgameepauletteMate
developing
Rating 1341
advancedPawnendgamemate
developing
Rating 1343
discoveredAttackdiscoveredCheckkingsideAttack
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