Chess puzzle (Advantage)
Opening: Blackmar-Diemer_Gambit, Blackmar-Diemer_Gambit_Zeller_Defense
Moves: 1. d4 d5 2. e4 dxe4 3. Nc3 Bf5 4. f3 exf3 5. Qxf3 Bc8 6. Be3 Nf6 7. O-O-O e6 8.
Bc4 Bb4 9. Nge2 Nc6 10. Rhf1 a6 11. d5 Ne5 12. Qf4 Nxc4 13. Qxc4 Bxc3 14. Nxc3
O-O 15. dxe6 Bxe6 16. Qh4 Qe7 *
Position (FEN): r4rk1/1pp1qppp/p3bn2/8/7Q/2N1B3/PPP3PP/2KR1R2 w - - 2 17
White to move.
Themes:  Middlegame  
Puzzle rating: 1738
Best move: Bg5