This includes the Moscow Variation (3.Bb5+), 3.d4 cxd4 4.Qxd4, and lines in the Classical Variation except for the Richter–Rauzer Attack, including the Sozin Attack and the Boleslavsky Variation.
Ini termasuk Variasi Moscow (3.Bb5+), 3.d4 cxd4 4.Qxd4, dan jalur Variasi Klasik kecuali Serangan Richter–Rauzer, termasuk Serangan Sozin dan Variasi Boleslavsky.