1. e2e4  1... e7e5  2. g1f3  2... b8c6  3. f1b5  3... a7a6  4. b5a4  4... g8f6  5. e1g1  5... f6e4 The Open Ruy Lopez is one of the most reliable possibilities for Black and has been used by several super GMs. 6. d2d4  6... b7b5  7. a4b3  7... d7d5 