Chess puzzle (Advantage)
Opening: Scotch_Game, Scotch_Game_Other_variations
Moves: 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nxd4 5. Qxd4 Nf6 6. Bg5 c5 7. Qc3 Be7 8.
Bxf6 Bxf6 9. Qb3 a5 10. c3 a4 11. Qc2 b5 12. Bxb5 Qb6 13. Bxa4 *
Position (FEN): r1b1k2r/3p1ppp/1q3b2/2p5/B3P3/2P5/PPQ2PPP/RN2K2R b KQkq - 0 13
Black to move.
Themes:  Middlegame  
Puzzle rating: 1559
Best move: Rxa4