An entry in the Encyclopedia of Chess Openings (ECO C54), reached after 9 half-moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3.
1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3
3 replies continue into sub-variations from this position. Click any to drill deeper.