Chess puzzle (Advantage)
Opening: Russian_Game, Russian_Game_Modern_Attack
Moves: 1. e4 e5 2. Nf3 Nf6 3. d4 exd4 4. e5 Ne4 5. Qxd4 Nc5 6. Bc4 Nc6 7. Qd5 Qe7 8.
Bd2 d6 9. Bb5 Bd7 10. O-O a6 11. exd6 cxd6 12. Re1 Ne6 13. Nc3 axb5 14. Nxb5
Ra5 *
Position (FEN): 4kb1r/1p1bqppp/2npn3/rN1Q4/8/5N2/PPPB1PPP/R3R1K1 w k - 1 15
White to move.
Themes:  Middlegame  
Puzzle rating: 2216
Best move: Bxa5