Chess puzzle (Advantage)
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3
Nbd7 9. O-O-O O-O 10. g4 h6 11. Bh4 Qc7 12. Kb1 b5 13. g5 hxg5 14. fxg5 Ne5 15.
Qg3 Nh5 16. Qg2 Nf4 17. Qf2 Nfg6 18. Bg2 Ng4 19. Qg3 Nxh4 20. Qxh4 Ne3 21. Rd2
Nxg2 *
Position (FEN): r1b2rk1/2q1bpp1/p2pp3/1p4P1/3NP2Q/2N5/PPPR2nP/1K5R w - - 0 22
White to move.
Themes:  Middlegame  
Puzzle rating: 1800
Best move: Rxg2