Chess puzzle (Advantage)
Moves: 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qe6+ 4. Be2 g5 5. d3 h6 6. h4 Bg7 7. Bd2 b6 8.
hxg5 hxg5 9. Rxh8 Bxh8 10. Bxg5 Bb7 11. Nf3 Bxc3+ 12. bxc3 Na6 13. d4 O-O-O 14.
Qd2 f6 15. Bf4 c5 16. O-O-O cxd4 17. c4 Qe4 18. Bd3 Qc6 19. Kb1 e5 20. Nxd4 *
Position (FEN): 2kr2n1/pb6/npq2p2/4p3/2PN1B2/3B4/P1PQ1PP1/1K1R4 b - - 0 20
Black to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1660
Best move: Rxd4