Chess puzzle (Advantage)
Opening: Slav_Defense, Slav_Defense_Three_Knights_Variation
Moves: 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 Bg4 5. e3 e6 6. Be2 dxc4 7. Bxc4 Bb4 8. O-O
O-O 9. a3 Ba5 10. h3 Bh5 11. b4 Bc7 12. Bb2 Nbd7 13. e4 Nb6 14. Bb3 Nbd7 15.
Bc2 Bb6 16. Qd3 Qe7 17. Ne2 Rad8 18. Ng3 Bg6 19. Nh4 Nxe4 *
Position (FEN): 3r1rk1/pp1nqppp/1bp1p1b1/8/1P1Pn2N/P2Q2NP/1BB2PP1/R4RK1 w - - 0 20
White to move.
Themes:  Middlegame  
Puzzle rating: 1474
Best move: Nxg6