Chess puzzle (Advantage)
Moves: 1. c4 c5 2. g3 Nf6 3. Bg2 g6 4. Nf3 Bg7 5. Nc3 O-O 6. O-O e6 7. d3 d5 8. cxd5
exd5 9. Rb1 d4 10. Nb5 a6 11. Na3 Nd5 12. Nc4 Re8 13. a3 b5 14. Ncd2 Bb7 15.
Re1 Nc6 16. Qc2 Qb6 17. Ne4 c4 18. dxc4 bxc4 19. Nd6 d3 20. Qxc4 Na5 21. Nxe8 *
Position (FEN): r3N1k1/1b3pbp/pq4p1/n2n4/2Q5/P2p1NP1/1P2PPBP/1RB1R1K1 b - - 0 21
Black to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1002
Best move: Nxc4