1. g1f3  1... g8f6  2. g2g3  2... b7b6  3. f1g2  3... c8b7  4. e1g1  4... c7c5  5. d2d3  5... d7d5  6. e2e4 [%c_effect e4;square;e4;type;GreatFind;persistent;true] A thematic move and the best way to fight for an advantage. White doesn't need to wait for the e4-square to be protected, as it's possible to exploit the h1-a8 diagonal. 6... e7e6 It's better for Black to maintain the center. 7. e4e5 