French Defense Alekhine Chatard Attack Discovered Attack in Chess

The french defense alekhine chatard attack discovered attack is a tactical motif that appears in the French Defense after White has castled kingside and built pressure with the Alekhine-Chatard setup, often around the move Bxf7+ or a bishop sacrifice on h7. The key idea is that one piece moves or is exchanged to open a line for another attacker, creating a discovered attack against the black king or queen. In this opening, the defining feature is the sudden opening of the e- or h-file lines around Black's king after White's attacking pieces are already aimed at the kingside.