Chess puzzle (Advantage)
Opening: Alekhine_Defense, Alekhine_Defense_Scandinavian_Variation
Moves: 1. e4 d5 2. exd5 Nf6 3. Nc3 c6 4. dxc6 e5 5. Be2 Bc5 6. d3 h6 7. Be3 Bxe3 8.
fxe3 Nxc6 9. Qd2 O-O 10. O-O-O a6 11. h3 b5 12. g4 Nd5 13. Bf3 Nxc3 14. Qxc3
Bd7 15. Bxc6 Rc8 16. Qxe5 Rxc6 17. Nf3 Re8 18. Qf4 *
Position (FEN): 3qr1k1/3b1pp1/p1r4p/1p6/5QP1/3PPN1P/PPP5/2KR3R b - - 3 18
Black to move.
Themes:  Middlegame  
Puzzle rating: 1432
Best move: Rf6