context: 1. d2d4  1... d7d5  2. c2c4  2... c7c6  3. g1f3  3... g8f6  4. b1c3  4... e7e6  5. c1g5  5... b8d7 The safest option for Black, taking the game to the Orthodox Defense. 6. e2e3  6... d8a5 The Cambridge Springs Variation has a vast legacy and was employed in the magnificent 1927 match between Capablanca and Alekhine. 7. c4d5  7... f6d5  8. d1d2  8... f8b4  9. a1c1 