1. e2e4  1... e7e5  2. g1f3  2... b8c6  3. f1b5  3... g8f6  4. d2d3  4... f8c5  5. c2c3  5... d7d5  6. e4d5  6... d8d5  7. b5c4  7... d5d6  8. b1d2  8... c8f5  9. b2b4  9... c5b6  10. f3g5 Now the game takes on a forcing character and simplifications are inevitable. All is still well-known for both players. 10... e8g8  11. d2e4 