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Colle System: Rhamphorhynchus Variation A04

A — Flank openings · Family: Colle System · basic reference page

1. Nf3 c5 2. e3 g6 3. d4 Bg7 4. dxc5 Qa5+

🎓 Train this family

• Position after 8 half-moves — White to move.
• White holds a material edge worth 1 points.
• Family “Colle System” contains 3 recorded variation(s) here.

Variations tree of the Colle System family

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Variations of this family

Related openings

Nearby ECO codes in the A — Flank openings volume — compare the move orders:

• Zukertort Opening (A04)
• Zukertort Opening (A05)
• Bird Opening (A02)
• Zukertort Opening (A06)
• King's Indian Attack (A07)
• Nimzo-Larsen Attack (A01)