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
advanced
Rating 2128
discoveredAttackdiscoveredCheckmate
advanced
Rating 2135
killBoxMatekingsideAttackmate
advanced
Rating 2136
matemateIn4middlegame
advanced
Rating 2149
attractionmatemateIn4
advanced
Rating 2167
endgameexposedKingmate
advanced
Rating 2169
attractiondiscoveredCheckdoubleCheck
advanced
Rating 2170
discoveredAttackdiscoveredCheckendgame
advanced
Rating 2180
endgameexposedKingmate
advanced
Rating 2184
endgamematemateIn4
advanced
Rating 2188
attractionkingsideAttackmate
advanced
Rating 2192
attractionendgamemate
advanced
Rating 2195
matemateIn4middlegame
advanced
Rating 2201
matemateIn4middlegame
advanced
Rating 2207
intermezzomatemateIn4
advanced
Rating 2207
deflectionkingsideAttackmate
advanced
Rating 2208
attractiondoubleCheckkingsideAttack
advanced
Rating 2211
attractionendgamemate
advanced
Rating 2226
deflectionkingsideAttackmate
advanced
Rating 2228
endgamematemateIn4
advanced
Rating 2231
endgamematemateIn4
advanced
Rating 2232
endgamematemateIn4
advanced
Rating 2238
attractionkingsideAttackmate
advanced
Rating 2242
endgamematemateIn4
advanced
Rating 2249
endgamematemateIn4
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