Chess puzzle (Advantage)
Opening: English_Defense, English_Defense_Other_variations
Moves: 1. d4 b6 2. g3 Bb7 3. Nf3 Nc6 4. e3 Rb8 5. Bg2 g6 6. O-O Bg7 7. c3 d5 8. Nbd2
e5 9. dxe5 Nxe5 10. Nxe5 Bxe5 11. Nf3 Bg7 12. Nd4 c6 13. Re1 Ne7 14. e4 dxe4
15. Bxe4 O-O 16. Bf4 Bxd4 17. cxd4 Rc8 18. Bh6 Re8 19. Qf3 Qxd4 *
Position (FEN): 2r1r1k1/pb2np1p/1pp3pB/8/3qB3/5QP1/PP3P1P/R3R1K1 w - - 0 20
White to move.
Themes:  Middlegame  
Puzzle rating: 1070
Best move: Rad1