1. g1f3  1... g8f6  2. b2b3  2... c7c5  3. c1b2  3... b8c6  4. e2e3  4... g7g6  5. b1c3 [%c_effect c3;square;c3;type;Interesting;persistent;true] A creative move with the idea of exploiting the pin on the a1-h8 diagonal and playing Nd5 or Ne4 next. 5... e7e5 [%c_effect e5;square;e5;type;Interesting;persistent;true] A novelty already on move five. 6. f1b5  6... d8e7 Protecting the e5-pawn. 7. e1g1  7... f8g7  8. d2d4 [%c_effect d4;square;d4;type;GreatFind;persistent;true] White must strike while Black is still undeveloped. 8... e5e4  9. f3d2  9... c5d4  10. d2c4 [%c_effect c4;square;c4;type;GreatFind;persistent;true][%c_highlight a3;keyPressed;none;opacity;0.8;square;a3;persistent;false][%cal db2a3][%c_arrow b2a3;keyPressed;none;from;b2;opacity;0.8;to;a3;persistent;false] An excellent move, preparing Ba3. 10... e8g8 [%c_effect g8;square;g8;type;GreatFind;persistent;true] Keymer reacts well. 11. b2a3  11... c6b4 [%c_effect b4;square;b4;type;Mistake;persistent;true] The pinned knight is a constant headache for Black. It's better to sac the exchange with 12. d1d4  12... d7d5  13. c4b6 [%c_effect b6;square;b6;type;GreatFind;persistent;true] A curious position with many pins and tactical themes left, right and center.