The Cochrane Gambit is a sacrifice in the Petroff Defense. White has three main options in the Cochrane Gambit – 5.d4, 5.Nc3, and 5.Bc4+ Back must respect the Cochrane Gambit and play carefully. Ultimately though, the Cochrane Gambit is theoretically unsound. Understanding the Ideas Behind the Cochrane Gambit The Cochrane Gambit is named after John […]