Chess puzzle (Advantage)
Opening: Indian_Defense, Indian_Defense_Other_variations
Moves: 1. d4 Nf6 2. Bf4 Nc6 3. Nc3 d6 4. e4 e5 5. dxe5 dxe5 6. Bg5 Qxd1+ 7. Rxd1 Nd4
8. Bd3 h6 9. Bxf6 gxf6 10. Nge2 Bg4 11. Nxd4 Bxd1 12. Ndb5 Bxc2 13. Bxc2 O-O-O
14. Nxa7+ Kb8 15. Nab5 c6 16. Na3 Bc5 17. O-O Rd2 18. h3 *
Position (FEN): 1k5r/1p3p2/2p2p1p/2b1p3/4P3/N1N4P/PPBr1PP1/5RK1 b - - 0 18
Black to move.
Themes:  Middlegame  
Puzzle rating: 1546
Best move: Bxa3