1. Main line 1. d4 f5 2. c4 Nf6 3. g3 Choose a line 1. Main line 1. d4 f5 2. c4 Nf6 3. g3 2. Dutch Defense: Hort-Antoshin System 1. d4 f5 2. c4 Nf6 3. g3 d6 4. Bg2 c6 5. Nc3 Qc7 3. Dutch Defense: Leningrad Variation 1. d4 f5 2. c4 Nf6 3. g3 g6 Close 1. Main line 1. d4 f5 2. c4 Nf6 3. g3 2. Dutch Defense: Hort-Antoshin System 1. d4 f5 2. c4 Nf6 3. g3 d6 4. Bg2 c6 5. Nc3 Qc7 3. Dutch Defense: Leningrad Variation 1. d4 f5 2. c4 Nf6 3. g3 g6 Next