Can somebody please explain how this move was a blunder?

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Avatar of Optimissed

Just checked and yes, Ronald is telling the truth. Look at the bad colour choice the O.P. made in posting the diagram. In particular, the Nf6 is only semi-visible. A black knight on a black square is why you have to be careful of the colour schemes and always post clear diagrams.

Avatar of Optimissed

In fact, point for the OP here. If the OP is inexperienced enough to use a set and pieces without proper colour contrast, that explains why he hung the Q. FOR BEGINNERS .... NEVER use a colour combo you think looks good, without making sure you can see the pieces clearly. That also applies to otb play but more so online.

Avatar of chessmaster17402

at first glance maybe, but not seeing that after a first glance is a bit weird for a 1300-1400

Avatar of Optimissed

Just a very bad choice of chess set.