Begins with 1.e4 d6 2.d4 Nf6 3.Nc3 g6. Hypermodern and flexible: Black invites White—?Ts broad center, then undermines it with ...e5 or ...c5.
Includes Classical (Byrne/Korchnoi—Pirc), 150 Attack, Austrian (two plans), Czech, Accelerated (g3), Bayonet, Two Knights, Transpositions, Hybrid, and 4.Be3 System.