1. g1f3  1... d7d5  2. e2e3  2... g8f6  3. c2c4  3... e7e6  4. b2b3  4... f8d6  5. c1b2 The Reti is a chameleon opening and as such, the arising positions often represent familiar defenses with reversed colors and an extra tempo for White. 5... e8g8  6. b1c3  6... f8e8  7. c3b5  7... d6e7  8. b2e5  8... b8a6  9. c4d5  9... e6d5 Both players have entered QID waters, with somewhat unusual placement of the white pieces. 10. f1e2 This is already a novelty, although such an obvious and natural move can hardly be considered new in any situation. 10... c7c6 