1. e2e4  1... d7d6  2. d2d4  2... g8f6  3. b1c3  3... e7e5 Tang decided to surprise his well-prepared opponent and deviated from his usual open games. 4. g1f3  4... b8d7  5. f1c4  5... f8e7 \"The Philidor was a surprise, but not a very unpleasant one, because White gets a nice position most of the time.\" (Dominguez) 6. a2a4  6... e8g8  7. e1g1  7... c7c6  8. f1e1  8... h7h6 A relatively rare continuation. 9. a4a5 [%c_effect a5;square;a5;type;GreatFind;persistent;true] Whenever possible, White should grab as much space as he can on the queenside. This move not only deprives the black queen of active posts on the queenside, it prepares a timely destruction of the opponent's pawn chain. 9... d8c7  10. h2h3  10... f8e8  11. c4a2 Both sides are making useful moves, with the bishop moving away from a possible d6-d5 and/or Nd7-e5. 11... e7f8 This one is perhaps not as useful, as Black may need the f8-square for the rook at some point. 12. c1d2 A careful move, and a novelty. 12... a8b8  13. d4d5 The pawn structure now changes and it will look more like a Najdorf/Ruy Lopez Yates line than anything else. 13... b7b5  14. d5c6  14... c7c6 Dominguez was happy with the outcome of the game, which he considered advantageous and risk-free. 15. f3h2  15... c8b7 