1. d2d4  1... g8f6  2. c2c4  2... e7e6  3. c1f4 When we start playing chess, we are taught that we should normally develop knights before bishops. It's no surprise, then, that this move isn't popular. Normally it would be possible to transpose to well-known lines, but in a curious way the game quickly takes unique contours. 3... d7d5  4. c4d5 Another rare move. 4.e3, 4.Nf3 or 4.Nc3 would leave possible transpositions in the air. 4... f6d5 Black usually captures with the pawn in such structures, but this is a different case, as he can win a tempo by attacking the bishop. This opening looks strange, but there is a modern theory being developed here, and some high-level games have been played recently. 5. f4g3  5... c7c5  6. e2e4  6... d5f6  7. b1d2 This pawn sacrifice is the only way to fight for the initiative. 7... c5d4  8. e4e5  8... f6d5  9. g1f3  9... b8c6  10. a2a3 A useful move to avoid the knight jumps to b4 and thus be able to develop the bishop on d3. Playing with the d4-pawn down is thematic and not too scary for White. The plan is to finish development and set up a battery with Bd3-Qe2-e4, and it's quite possible that the pawn will be captured sooner or later. 10... d5e7 A new move. The idea is to get the knight to f5 and get a firmer defense for the d4-pawn. The drawback is that Black moves the knight too many times. 11. f1d3 