Chess puzzle (Advantage)
Moves: 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Nc6 6. a3 c4 7. Be2 Bd7 8. O-O Na5
9. Re1 Nb3 10. Ra2 a5 11. Be3 a4 12. Nbd2 Ne7 13. Qb1 Nf5 14. Bf4 h6 15. g4 Ne7
16. Bd1 Ng6 17. Be3 Be7 18. Nxb3 axb3 19. Ra1 O-O-O 20. Qc1 Rdf8 21. h3 Nh4 22.
Nh2 g5 23. f4 Qd8 24. Kf2 gxf4 25. Bxf4 Bg5 26. Nf3 Nxf3 27. Kxf3 f6 28. Bxg5
hxg5 29. Kg3 f5 30. gxf5 Rxf5 31. Bg4 Rf4 32. Rf1 Rhf8 33. Rxf4 gxf4+ 34. Kf3
Qh4 35. Qe1 Qg5 36. Qf2 Kc7 37. a4 Qg6 38. Qd2 Qe4+ 39. Kf2 Kd8 40. a5 Ke7 41.
a6 bxa6 42. Rxa6 Qh1 43. Qe2 *
Position (FEN): 5r2/3bk3/R3p3/3pP3/2pP1pB1/1pP4P/1P2QK2/7q b - - 2 43
Black to move.
Themes:  Endgame  
Puzzle rating: 1970
Best move: f3