What is happening????

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MrJohn88P

I am playing a chess game. Suddenly, a pop up shows that my opp wins-though he didn't checkmate me! I don't  resign, reload, disconnect, or anything like that. So why I lost? When I use "Details" to see why I lost, It just say: "White Wins" (I am Black) 
Can anyone help me??
The Game Link

MrJohn88P

Why??? I said, I don't reload, disconnect or something

MrJohn88P

No, It Just Said "White Won" Only That!

StumpyBlitzer

https://support.chess.com/article/338-how-does-game-abandonment-work

As mentioned game was abandoned,