[%c_effect b3;square;b3;type;GreatFind;persistent;true] White develops pieces and increases the pressure.
1. d2d4  1... g8f6  2. c2c4  2... e7e6  3. g1f3  3... b7b6  4. g2g3  4... c8a6  5. b2b3  5... f8b4  6. c1d2  6... b4e7  7. b1c3  7... d7d5  8. f1g2  8... e8g8  9. e1g1  9... d5c4 [%c_effect c4;square;c4;type;Inaccuracy;persistent;true] A risky move, especially considering that Black didn't need to unbalance the game. 10. b3c4 This move, surprisingly, is a novelty. 10... a6c4  11. f3e5  11... c4d5  12. c3d5 [%c_effect d5;square;d5;type;GreatFind;persistent;true] It's necessary to capture the bishop to have compensation for the pawn by exploiting the weak light-squares on Black's queenside. 12... e6d5  13. a1c1  13... h7h6 [%c_effect h6;square;h6;type;GreatFind;persistent;true] A good prophylactic move, preventing Bg5 and the consequent attack on the d5-pawn.