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
challenging
Rating 1914
endgamematemateIn4
challenging
Rating 1915
discoveredAttackdiscoveredCheckhookMate
challenging
Rating 1918
attractionkingsideAttackmate
challenging
Rating 1926
endgamematemateIn4
challenging
Rating 1927
deflectionkingsideAttackmate
challenging
Rating 1928
matemateIn4middlegame
challenging
Rating 1929
attractionbackRankMatemate
challenging
Rating 1931
balestraMateendgameexposedKing
challenging
Rating 1935
attractionepauletteMatemate
challenging
Rating 1939
doubleCheckmatemateIn4
challenging
Rating 1940
deflectionkingsideAttackmate
challenging
Rating 1943
attractionkingsideAttackmate
challenging
Rating 1953
attractionmatemateIn4
challenging
Rating 1961
clearanceendgamemate
challenging
Rating 1962
deflectionendgamemaster
challenging
Rating 1962
endgamematemateIn4
challenging
Rating 1963
forkmatemateIn4
challenging
Rating 1964
deflectionkingsideAttackmaster
challenging
Rating 1971
attractionkingsideAttackmate
challenging
Rating 1976
matemateIn4middlegame
challenging
Rating 1990
endgamematemateIn4
challenging
Rating 1990
endgamematemateIn4
advanced
Rating 2001
attractionmatemateIn4
advanced
Rating 2002
attractionmatemateIn4
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