Today's chess puzzle. Can someone help me understand why Nc5

Check x Mate by Sliced Kiwi Studios — Kickstarter

Quite a nice puzzle from Lichess, rated ~2370 : r/chess

My puzzle rating just went down 500 points - Chess Forums

Attributions, anticipations, and plagiarism in chess compositions

Is there such a thing as a difficult mate in one? - Quora

Hardest chess puzzle . White to play and mate in 2 : r/chess

This is probably the weirdest one I have made, but I think it's fun to try to get white at least to stalemate. White to play. : r/chess

This puzzle is rated 1171 on chess.com. As an 1800, I totally

WHITE TO MOVE] A difficult move to find : r/chess

Caturanga's Chess Lock (a puzzle) : r/DnDBehindTheScreen