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 1618
backRankMatedeflectionendgame
challenging
Rating 1624
forkmatemateIn4
challenging
Rating 1630
endgamematemateIn4
challenging
Rating 1642
deflectiondiscoveredAttackmate
challenging
Rating 1650
attractionmatemateIn4
challenging
Rating 1658
attractionendgamemaster
challenging
Rating 1665
discoveredAttackdiscoveredCheckenPassant
challenging
Rating 1667
exposedKingmatemateIn4
challenging
Rating 1668
discoveredAttackdiscoveredCheckkingsideAttack
challenging
Rating 1671
endgamematemateIn4
challenging
Rating 1671
attractiondeflectionmate
challenging
Rating 1675
endgamematemateIn4
challenging
Rating 1685
endgamematemateIn4
challenging
Rating 1685
endgamematemateIn4
challenging
Rating 1688
kingsideAttackmatemateIn4
challenging
Rating 1688
backRankMatematemateIn4
challenging
Rating 1692
forkmatemateIn4
challenging
Rating 1694
endgamematemateIn4
challenging
Rating 1697
endgamematemateIn4
challenging
Rating 1697
anastasiaMateattractiondiscoveredAttack
challenging
Rating 1700
endgamematemateIn4
challenging
Rating 1706
attractionendgameepauletteMate
challenging
Rating 1715
discoveredAttackdiscoveredCheckenPassant
challenging
Rating 1722
attractionkingsideAttackmate
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