What is the official rule 'threefold repetition' in chess? How is a move considered to be repetitive? - Quora
Premier Chess - The game ended in a three fold repetition after Bc1, Qb4, Bd2, Qa3. What move did Gelfand miss that would have won him the game? | Facebook
![Desprez's Triple Problem' - White to move and find the following: Checkmate in 1, Stalemate in 1 and Self mate in 1 : r/chess Desprez's Triple Problem' - White to move and find the following: Checkmate in 1, Stalemate in 1 and Self mate in 1 : r/chess](https://preview.redd.it/desprezs-triple-problem-white-to-move-and-find-the-v0-4izpo514dk981.png?auto=webp&s=060dec0899632e565babc0c9811746058b750aa9)