endgame - Rules for ending a chess game - Chess Stack Exchange

I have seen many games that do not end by checkmate but still say 0-1 or 1-0. The following picture also shows that the game did not end but White won. Can anyone please explain this.

Ian blundered with Nd4 And Ding instantly sacrifices the exchange to punish the mistake! : r/chess

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How do I get out of this situation as black? : r/chess

Technique to win this same colored bishop endgame - Chess Stack Exchange

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