context: 1. g1f3  1... g8f6  2. g2g3  2... d7d5  3. f1g2  3... c7c5  4. e1g1  4... b8c6  5. d2d4  5... e7e6  6. c2c4  6... d5c4  7. d1a4  7... c8d7  8. d4c5  8... f8c5  9. a4c4 A well-known position that can arise from several move orders. 9... c5e7  10. b1c3 