Colle System: Siroccopteryx Variation

ECO A40 · 1. d4 g6 2. Nf3 Bg7 3. e3 c5 4. Bd3 cxd4 5. Nxd4 Qa5+

Related variations

• Colle System: Pterodactyl Variation
• Colle System: Rhamphorhynchus Variation

Practice this opening · Play against the computer