The 5 hardest chess puzzles of 2021

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With over half a million puzzles played in 2021, we took a look at the puzzles that players had the hardest time solving.

The 5 hardest chess puzzles of 2021 on Chess Puzzle Blitz across all players.

Puzzle 302010 - Mate in 1

Mate in 1 - Puzzle 302010

White to move

Puzzle 160101 - Mate in 2

Puzzle 160101 - Mate in 2

White to move

Puzzle 303688 - Mate in 1

Mate in 1 - White to move - hard

White to move

Puzzle 188029 - Mate in 1

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White to move

Puzzle 2039397 - Mate in 1

Mate in 1 - White to move

White to move

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