Chess puzzle (Advantage)
Opening: Caro-Kann_Defense, Caro-Kann_Defense_Breyer_Variation
Moves: 1. e4 c6 2. d3 d5 3. Nd2 dxe4 4. dxe4 Nf6 5. Ngf3 Nbd7 6. Qe2 e5 7. Nc4 Qc7 8.
Bg5 Bb4+ 9. c3 Bc5 10. O-O-O b5 11. Ne3 Nxe4 12. Nf5 Nxf2 *
Position (FEN): r1b1k2r/p1qn1ppp/2p5/1pb1pNB1/8/2P2N2/PP2QnPP/2KR1B1R w kq - 0 13
White to move.
Themes:  Middlegame  
Puzzle rating: 1319
Best move: Nxg7+