Chess puzzle (Advantage)
Opening: English_Opening, English_Opening_Kings_English_Variation
Moves: 1. c4 e5 2. g3 d5 3. Bg2 c6 4. cxd5 cxd5 5. d3 Nc6 6. Nf3 Nf6 7. Bg5 Be7 8. O-O
O-O 9. Nbd2 h6 10. Bxf6 Bxf6 11. Rb1 Re8 12. e4 d4 13. Nc4 Be6 14. a3 Rc8 15.
b4 a6 16. b5 axb5 17. Rxb5 Bxc4 18. dxc4 Na5 19. c5 Qd7 *
Position (FEN): 2r1r1k1/1p1q1pp1/5b1p/nRP1p3/3pP3/P4NP1/5PBP/3Q1RK1 w - - 1 20
White to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1135
Best move: Rxa5