1. Main line 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Choose a line 1. Main line 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 2. Main line, 5. Nf3 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 d5 5. Nf3 3. Dutch Defense: Nimzo-Dutch Variation 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Bb4+ 4. Dutch Defense: Nimzo-Dutch Variation, Alekhine Variation 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Bb4+ 5. Bd2 Be7 5. Dutch Defense: Stonewall Variation, Modern Variation 1. d4 f5 2. c4 e6 3. Nf3 Nf6 4. g3 c6 5. Bg2 d5 6. O-O Bd6 Close 1. Main line 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 2. Main line, 5. Nf3 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 d5 5. Nf3 3. Dutch Defense: Nimzo-Dutch Variation 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Bb4+ 4. Dutch Defense: Nimzo-Dutch Variation, Alekhine Variation 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Bb4+ 5. Bd2 Be7 5. Dutch Defense: Stonewall Variation, Modern Variation 1. d4 f5 2. c4 e6 3. Nf3 Nf6 4. g3 c6 5. Bg2 d5 6. O-O Bd6 Next