Chess puzzle (Advantage)
Opening: Queens_Indian_Defense, Queens_Indian_Defense_Fianchetto_Variation
Moves: 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Nbd2 c5 6. Bg2 Nc6 7. e3 Be7 8. O-O
d5 9. b3 O-O 10. Bb2 Rc8 11. Rc1 Nb4 12. Ne5 Nxa2 13. Ra1 Nb4 14. Bc3 Bb7 15.
Rxa7 Ba8 16. g4 Nc6 *
Position (FEN): b1rq1rk1/R3bppp/1pn1pn2/2ppN3/2PP2P1/1PB1P3/3N1PBP/3Q1RK1 w - - 1 17
White to move.
Themes:  Middlegame  
Puzzle rating: 1777
Best move: Rxa8