(E00) Devin
1. d4 Nf6 2. c4 e6 3. g4
(E00) Seirawan
1. d4 Nf6 2. c4 e6 3. Bg5
(E00) Catalan Irregular
1. d4 Nf6 2. c4 e6 3. g3
(E00) Catalan Irregular (Hungarian)
1. d4 Nf6 2. c4 e6 3. g3 e5