Chess puzzle (Advantage)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Symmetrical_Variation
Moves: 1. Nf3 Nf6 2. d4 d5 3. g3 g6 4. Bg2 Bg7 5. O-O O-O 6. c3 c6 7. Bg5 Bg4 8. Nbd2
Nbd7 9. Qb3 Qb6 10. h3 Be6 11. Ne5 Nxe5 12. dxe5 Ne4 13. Nxe4 dxe4 14. Qxb6
axb6 15. Bxe7 Rfe8 16. Bd6 f6 17. exf6 Bxf6 18. h4 Bxa2 19. Ba3 Bxc3 *
Position (FEN): r3r1k1/1p5p/1pp3p1/8/4p2P/B1b3P1/bP2PPB1/R4RK1 w - - 0 20
White to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1436
Best move: Rxa2