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Can the Knight and King in anyway mate the King and Queen?

The player with the King and Queen is playing sub-optimal.

I was recently playing a game which I lost. In the last move I captured a pawn with queen since I was low on time. enter image description here

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No. The problem is that the queen covers too many squares.

Consider this (illegal) checkmate position with king and 2 knights vs king and queen:

[fen "kq6/2N5/KN6/8/8/8/8/8 w - - 0 1"]

If you remove either knight then the queen can take the other one.

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  • That's very well put! – Kortchnoi May 17 at 13:49
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As far as I know, regardless of the opponent's skill or number of pawns/pieces, it is impossible to Checkmate using only a knight and a king, since the knight can't cover enough squares to completely block the opponent's king.

Hope this helps.

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  • It's more complicated than that, in general a king can be blocked in by his own peice(s) reducing the number of squares that the opponent needs to cover. This is not possible in this particular case though for the reason described in Brian's answer. – Peter Green May 18 at 14:51

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