3 Hardest Mate-in-4 Ever

Yury Markushin
Category: Problems

Few days ago we have released an article 5 Chess Combinations to Solve Today. These weren’t exactly the hardest problems as some of the readers pointed out. That is why today we release these mate in 4 problems (they are much harder). So, if you want to challenge your tactical ability, this is your chance. Solve these 4 tactics problems, and compare you answers with the solutions posted at the end. Good luck!


Position 1: L. Knotec, “Cekoslovensky Sach”, 1947

position 1

White to move and mate in 4

Position 2: V. Massman, “Die Welt”, 1949

position 2

White to move and mate in 4

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Position 3: I. Shlarco, “Revista Romana de Sah”, 1948

position 3

White to move and mate in 4

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Updated 12.26.2023


Japheth Habila:
Rb6 h5 And this line doesn't work. Find a better combination.
Where did the solutions go?
Hi, question on puzzle 1.What if after 1. Kg4, I do Kd4 then go back to Kc4, will there still be a mate in 4?
thanks alot great puzzles
Oops, sorry I've just found out that I overlooked 1. ..h5. An honest mistake :) Please simply disregard my previous comment.. thanks and more power.
Correct me if I'm wrong but perhaps the second puzzle can be simplified into mate in three with these lines:1. Rb6 h62. Rxh6 (...f4 or Kd5)3. Rxb5++now if 1. ...f4 or ...Kd52. Rb4xb5 ++ Please clarify.. thanks a lot..Jason D.