Chess puzzle (Advantage)
Moves: 1. Nf3 e6 2. g3 d5 3. Bg2 Nf6 4. O-O Be7 5. d3 O-O 6. c4 c5 7. b3 d4 8. Na3 Nc6
9. Nc2 e5 10. Bd2 Bg4 11. a3 h6 12. b4 e4 13. dxe4 Nxe4 14. bxc5 Nxd2 15. Qxd2
Bxc5 16. Rfb1 Qc7 17. Nfxd4 Rad8 18. e3 Nxd4 19. Nxd4 Bb6 20. Qc3 Rxd4 *
Position (FEN): 5rk1/ppq2pp1/1b5p/8/2Pr2b1/P1Q1P1P1/5PBP/RR4K1 w - - 0 21
White to move.
Themes:  Middlegame  
Puzzle rating: 1405
Best move: exd4