1. e2e4  1... c7c6  2. d2d4  2... d7d5  3. f2f3 [%c_effect f3;square;f3;type;Interesting;persistent;true] This move is a popular sideline in the Caro-Kann Defense. Very strong players choose it from time to time. 3... e7e6  4. b1c3  4... b8d7 The fourth most popular move. 5. c1e3  5... f8b4  6. f1d3  6... c6c5 An interesting move. Good chances of equality are offered by the more conventional 7. e4d5  7... e6d5  8. d4c5  8... b4c3  9. b2c3 It's hard to evaluate positions with so many imbalances: White is a pawn up but he has tripled pawns. White also has the bishop pair, with the dark-squared one being particularly unpleasant. 9... g8e7  10. g1e2  10... e8g8  11. e1g1  11... d8c7 The c5-pawn is captured, and the game is equal. 12. a2a4 [%c_effect a4;square;a4;type;Interesting;persistent;true] 12... d7c5  13. a4a5 An interesting plan to gain space on the queenside. 13... f8d8 The rook is not so useful here. 14. e3f4  14... c7d7  15. d1d2  15... c5d3 The bishop has to be captured sooner or later. 16. c2d3  16... e7c6  17. e2g3  17... f7f6 The game enters a maneuvering stage. 18. f1e1  18... d7f7  19. d2f2  19... c8e6 