[%c_effect c3;square;c3;type;Mistake;persistent;true] White gets a serious advantage after this move.
1. d2d4  1... g8f6  2. c2c4  2... e7e6  3. b1c3  3... d7d5  4. c4d5  4... e6d5  5. c1g5  5... f8b4 Both players needed to win, so this is a fitting opening: chances for both sides in a difficult strategic battle. 6. e2e3  6... h7h6  7. g5h4  7... g7g5  8. h4g3  8... f6e4  9. d1c2  9... h6h5  10. f2f3  10... e4g3  11. h2g3  11... c8e6 This is a rare move, but it has been played by the champion of the Candidates Tournament. 12. f1d3  12... c7c6 This is probably not the most accurate move. 13. e1c1  13... b8d7  14. f3f4 [%c_effect f4;square;f4;type;Interesting;persistent;true] The first new move of the game and one that poses practical problems for Black. 14... e6g4 White was threatening f4-f5, trapping the bishop. 15. g1f3  15... d8e7 [%c_effect e7;square;e7;type;Inaccuracy;persistent;true] 16. e3e4 [%c_effect e4;square;e4;type;GreatFind;persistent;true] Black will regret not having exchanged the pawns on f4.