Chess puzzle (Advantage)
Opening: Alekhine_Defense, Alekhine_Defense_Four_Pawns_Attack
Moves: 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 dxe5 6. fxe5 Bf5 7. Be3 e6 8. Nf3
N8d7 9. Nc3 Be7 10. Be2 c6 11. O-O O-O 12. Qb3 Rb8 13. Rad1 Qc7 14. Bf4 h6 15.
d5 cxd5 16. cxd5 Qc5+ 17. Kh1 Nxd5 18. Nxd5 exd5 19. Rxd5 Qc2 *
Position (FEN): 1r3rk1/pp1nbpp1/7p/3RPb2/5B2/1Q3N2/PPq1B1PP/5R1K w - - 1 20
White to move.
Themes:  Middlegame  
Puzzle rating: 1609
Best move: Qxc2