Chess puzzle (Advantage)
Opening: Caro-Kann_Defense, Caro-Kann_Defense_Other_variations
Moves: 1. e4 c6 2. Nf3 d5 3. exd5 cxd5 4. d4 Bg4 5. h3 Bh5 6. Nc3 e6 7. Be2 Nc6 8. Be3
Qb6 9. Rb1 Nf6 10. a3 a6 11. Ne5 Bxe2 12. Qxe2 Bxa3 *
Position (FEN): r3k2r/1p3ppp/pqn1pn2/3pN3/3P4/b1N1B2P/1PP1QPP1/1R2K2R w Kkq - 0 13
White to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1333
Best move: bxa3