Why Checkmate?

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Avatar of DreamSupporter

Please teach me.
Why checkmeate?

I can catch Nf2.
https://www.chess.com/game/live/86447409993

Avatar of Martin_Stahl
DreamSupporter wrote:

Please teach me.
Why checkmeate?

I can catch Nf2.
https://www.chess.com/game/live/86447409993

You king is being checked by two pieces, the knight on f2 and bishop on b7, and black covers all escape squares.

Avatar of DreamSupporter

Martin_Stahi
Thank you very much!
I missed Bn7.

I got it!