1. d2d4  1... g8f6  2. c2c4  2... e7e6  3. g1f3  3... f8b4 The Bogo-Indian Defense, although not as popular as the Queen's Gambit or the Queen's Indian, is a classic and reputable defense. 4. c1d2  4... d8e7  5. g2g3  5... b4d2 