1. d2d4  1... g8f6  2. c2c4  2... e7e6  3. b1c3  3... f8b4  4. e2e3  4... e8g8  5. f1d3  5... d7d5  6. c4d5  6... e6d5  7. g1e2  7... f8e8  8. e1g1  8... b8d7 [%c_effect d7;square;d7;type;Interesting;persistent;true] A rare move, involving a pawn sacrifice, that took Keymer by surprise. It's difficult to say whether this move was prepared in the laboratory or not. 9. d1b3 [%c_effect b3;square;b3;type;GreatFind;persistent;true] The critical move, which practically forces Black to sacrifice the d5-pawn. 9... b4d6 [%c_effect d6;square;d6;type;GreatFind;persistent;true] 10. c3d5 Taking up the gauntlet $1 10... f6d5  11. b3d5  11... d7c5 [%c_effect c5;square;c5;type;GreatFind;persistent;true] The best way to fight for the initiative. 12. d3h7 A natural move and a novelty. 12... g8h7 