1. Bc6# PGN [Site "Chess.com"] [Result "1-0"] [SetUp "1"] [FEN "r1bqkb1r/1pp2pp1/2n4p/p5n1/2P1B3/6P1/PP1BQP1P/RN2K1NR b KQkq - 0 1"] 1... Nd4 2. Bc6# 1-0 The Setup We reach the diagram after Black’s knight jumps to d4 with check: 1… Nd4+ At first sight, it looks like White is in trouble: The knight on d4 gives check to the king. It also attacks White’s queen on e2. But instead of defending passively, White finds a stunning counter-checkmate. --- The Brilliant Move White plays: 2. Bc6# The bishop from e4 moves to c6, delivering checkmate. Black’s king is trapped: The bishop on c6 controls the escape squares on b7 and a8. The pawn on c4 supports the bishop. The queen on e2 covers e7. The knight on g6 and pawns around the king block all other flight squares. So even though Black’s knight attacked the White king and queen, White ignores both threats and wins immediately. --- Why It’s Amazing Counterattack to check: White mate...