1. e2e4  1... c7c5  2. g1f3  2... d7d6  3. f1b5 The Moscow variation was especially popular  today at the IOM. 3... c8d7  4. b5d7  4... d8d7  5. c2c4 A very solid approach  against the world champion. 5... e7e5  6. b1c3  6... b8c6  7. d2d3  7... f8e7  8. a2a3  8... e7d8 Black's setup is somewhat artificial, but since the center is  clamped, he can afford to play slowly. 9. e1g1  9... g8e7  10. b2b4 