B20: Sicilian, wing gambit, Marshall variation

B20 Sub-variants:

• Sicilian defence
  1. e4 c5
• Sicilian, Gloria variation
  1. e4 c5 2. c4 d6 3. Nc3 Nc6 4. g3 h5
• Sicilian, Steinitz variation
  1. e4 c5 2. g3
• Sicilian, wing gambit
  1. e4 c5 2. b4
• Sicilian, wing gambit, Santasiere variation
  1. e4 c5 2. b4 cxb4 3. c4
• Sicilian, wing gambit, Marshall variation
  1. e4 c5 2. b4 cxb4 3. a3
• Sicilian, wing gambit, Marienbad variation
  1. e4 c5 2. b4 cxb4 3. a3 d5 4. exd5 Qxd5 5. Bb2
• Sicilian, wing gambit, Carlsbad variation
  1. e4 c5 2. b4 cxb4 3. a3 bxa3
• Sicilian, Keres variation (2.Ne2)
  1. e4 c5 2. Ne2