Chess puzzle (Advantage)
Opening: Four_Knights_Game, Four_Knights_Game_Double_Spanish
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. Nc3 Bb4 5. O-O Bxc3 6. dxc3 O-O 7. Bg5 h6 8.
Bxf6 Qxf6 9. Nd2 a6 10. Bc4 Na5 11. f4 Qb6+ 12. Kh1 Qxb2 13. fxe5 Qxc3 14. Rf3
Qxe5 15. Rf5 Qd4 *
Position (FEN): r1b2rk1/1ppp1pp1/p6p/n4R2/2BqP3/8/P1PN2PP/R2Q3K w - - 2 16
White to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1967
Best move: Rxa5