Chess puzzle (Advantage)
Opening: Alekhine_Defense, Alekhine_Defense_Maroczy_Variation
Moves: 1. e4 Nf6 2. d3 e5 3. Be2 Bb4+ 4. Bd2 Bc5 5. Nc3 h5 6. h3 Nc6 7. Bg5 d6 8. Qd2
Be6 9. O-O-O Bxf2 10. Nf3 Bg3 11. Rhf1 Qd7 12. d4 Nxd4 13. Nxd4 exd4 14. Qxd4
Be5 15. Qb4 O-O-O 16. Nd5 c5 17. Qc4 Rde8 18. Bxf6 gxf6 19. Rd3 Bd4 *
Position (FEN): 2k1r2r/pp1q1p2/3pbp2/2pN3p/2QbP3/3R3P/PPP1B1P1/2K2R2 w - - 2 20
White to move.
Themes: Pin Middlegame  
Puzzle rating: 1367
Best move: Rxd4