Amazing how fresh these positions are. This is a  novelty!
1. c2c4  1... e7e5  2. b1c3  2... g8f6  3. g2g3  3... f8b4 A curious thematic match. The Rossolimo  line was discussed disregarding the color. 4. e2e4  4... b4c3  5. b2c3  5... e8g8 