E15: Queen's Indian, Buerger variation

E15 Sub-variants:

• Queen's Indian, 4.g3
  1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3
• Queen's Indian, Nimzovich variation (exaggerated fianchetto)
  1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6
• Queen's Indian, 4.g3 Bb7
  1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7
• Queen's Indian, Rubinstein variation
  1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 c5 6. d5 exd5 7. Nh4
• Queen's Indian, Buerger variation
  1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 c5 6. d5 exd5 7. Ng5