Chess puzzle (Advantage)
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. O-O Nbd7 8. a3
b5 9. a4 b4 10. Nb1 Bb7 11. c4 Nxe4 12. Bf3 Qc7 13. Qd3 Ndc5 14. Qc2 Be7 15.
Re1 Bf6 16. Nxe6 fxe6 17. Bxe4 Bxe4 18. Rxe4 O-O 19. Re2 a5 20. Be3 Nd7 21. Nd2
Ne5 22. Rd1 Rac8 23. b3 Nd7 24. f4 Nc5 25. Nf3 Bc3 26. Bxc5 Qxc5+ 27. Kh1 Rxf4
28. Rxe6 Rd8 29. Rd5 Qc6 30. Rxa5 Rf6 31. Rxf6 Bxf6 32. Rd5 Qb6 33. Qd2 Bc3 34.
Qf4 Qf2 35. Qc1 Rf8 36. Qg1 Qb2 37. Rxd6 *
Position (FEN): 5rk1/6pp/3R4/8/PpP5/1Pb2N2/1q4PP/6QK b - - 0 37
Black to move.
Themes:  Endgame  
Puzzle rating: 1230
Best move: Qxb3