Chess puzzle (Advantage)
Moves: 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qe6+ 4. Be2 Qg6 5. g3 c6 6. d4 h5 7. Nf3 Bh3 8.
Ne5 Qe6 9. Bf4 Nd7 10. Qd3 O-O-O 11. O-O-O Nxe5 12. Bxe5 f6 13. Bf4 g5 14. Be3
Bg2 15. Rhg1 Bd5 16. Qg6 Bxa2 17. Bxh5 Bh6 18. h3 Qxh3 19. Nxa2 Rd6 20. Qd3 e5
21. Be2 exd4 22. Bxd4 Qe6 23. Qe3 *
Position (FEN): 2k3nr/pp6/2prqp1b/6p1/3B4/4Q1P1/NPP1BP2/2KR2R1 b - - 2 23
Black to move.
Themes: Defensive Move, Pin Middlegame  
Puzzle rating: 1374
Best move: g4