1. d2d4  1... d7d5  2. g1f3  2... g8f6  3. c2c4  3... c7c6  4. e2e3  4... e7e6  5. b1d2  5... f8e7  6. b2b3  6... e8g8  7. c1b2  7... b8d7  8. f1d3  8... d5c4 [%c_effect c4;square;c4;type;Interesting;persistent;true] Black usually delays this capture and plays b6, but there's nothing wrong with it. 9. d2c4  9... c6c5  10. e1g1  10... b7b6  11. d1e2  11... c8b7  12. f1d1 Both players develop the pieces naturally. The black queen is in a rather uncomfortable situation with the white rook on the same file. 12... c5d4  13. f3d4  13... d7c5 