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
developing
Rating 1345
attractiondiscoveredCheckdoubleCheck
developing
Rating 1348
backRankMatematemateIn4
developing
Rating 1349
matemateIn4middlegame
developing
Rating 1381
kingsideAttackmatemateIn4
developing
Rating 1381
endgamematemateIn4
developing
Rating 1386
attractionkingsideAttackmate
developing
Rating 1396
endgamematemateIn4
developing
Rating 1400
discoveredAttackdiscoveredCheckmate
developing
Rating 1400
backRankMatedeflectionmate
developing
Rating 1409
deflectionendgamemate
developing
Rating 1413
endgamematemateIn4
developing
Rating 1421
clearanceendgamemate
developing
Rating 1423
endgamematemateIn4
developing
Rating 1424
backRankMateendgamemate
developing
Rating 1425
attractionmatemateIn4
developing
Rating 1428
endgamematemateIn4
developing
Rating 1433
endgameexposedKingmate
developing
Rating 1434
attractionendgamemaster
developing
Rating 1438
attractionendgamemate
developing
Rating 1441
attractiondeflectionkingsideAttack
developing
Rating 1443
forkmatemateIn4
developing
Rating 1446
matemateIn4middlegame
developing
Rating 1447
attractionendgamemate
developing
Rating 1454
endgamemastermate
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