1. g1f3  1... g8f6  2. g2g3  2... c7c5  3. f1g2  3... b8c6  4. e1g1  4... e7e5  5. d2d3  5... d7d5  6. e2e4 This might be  Grischuk's rapid weapon, the reversed KID. 6... d5d4  7. a2a4  7... f8d6  8. b1a3  8... h7h6 The opening should not have been a surprise for Wojtaszek. 9. f3h4  9... g7g6 Depriving the knight of the f5 square, a form of  prophylaxis often used by Taimanov. 10. f2f4  10... e5f4 