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I was playing a game on chess.com. It is this game: https://www.chess.com/live/game/84265198943
It ended in a draw right as I was about to flag my opponent. I can not figure out why.
Three-fold repetition. The position facing Black for their 61st, 63rd, and 65th moves was exactly the same.
The game is drawn upon a correct claim by the player having the move, when the same position, for at least the third time (not necessarily by a repetition of moves) is about to appear [...] or has just appeared[...].
Required, but never shown