The Candidates: An Unsolved Chess Puzzle
Por um escritor misterioso
Descrição
Are there any chess puzzles that are 'white to move and not checkmate'? - Quora
What is a chess puzzle? - Quora
Complexity Theory's 50-Year Journey to the Limits of Knowledge
PuzzleMad: June 2017
The Unsolvable Puzzle
Reducing the Complexity of the Roomate Sorting Problem, by Isaiah Nwukor
Play NYT Chess Puzzle: Joshua Waitzkin Versus Edward A. Frumkin - The New York Times
The Candidates: An Unsolved Chess Puzzle
Nepomniachtchi Beats Firouzja, Storms To Sole Lead
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