Chess puzzle (Advantage)
Opening: Indian_Defense, Indian_Defense_Omega_Gambit
Moves: 1. e4 Nf6 2. d4 d5 3. e5 Nfd7 4. Nc3 e6 5. Nf3 c5 6. Be3 cxd4 7. Bxd4 Nc6 8.
Bb5 Nxd4 9. Qxd4 a6 10. Ba4 b5 11. Bb3 Qc7 12. O-O Bb7 13. a4 Be7 14. axb5 O-O
15. bxa6 Bc5 16. axb7 *
Position (FEN): r4rk1/1Pqn1ppp/4p3/2bpP3/3Q4/1BN2N2/1PP2PPP/R4RK1 b - - 0 16
Black to move.
Themes:  Middlegame  
Puzzle rating: 1743
Best move: Rxa1