Iturrizaga Bonelli, Eduardo vs Santos Ruiz, Miguel

A28 English Opening: Four Knights System, Nimzowitsch Variation

Iturrizaga Bonelli, Eduardo 2630 Taules
Santos Ruiz, Miguel 2529 Taules
1. c4 1... Nf6 2. Nc3 2... e5 3. Nf3 3... Nc6 4. e4 4... Bb4 5. d3 5... d6