Instructive Game 4 :- Fischer, Robert James–Reshevsky, Samuel Herman

As A training, Try to find the next best move when you see a diagram before scrolling down 

[Event "USA-ch"] [Site "New York"] [Date "1958.??.??"] [Round "6"] [White "Fischer, Robert James"] [Black "Reshevsky, Samuel Herman"] [Result "1-0"] [ECO "B35"] [Annotator "Akopian"] [PlyCount "83"] [EventDate "1958.12.??"] [EventType "tourn"] [EventRounds "11"] [EventCountry "USA"] [Source "ChessBase"] [SourceDate "1999.07.01"] 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 O-O 8. Bb3 Na5 {Is the knight move to rim here a good move or bad? What is Fischer next move? [#] Hint: - The knight is moving away from the center , so what you can do to make advantage of that ?} 9. e5 {[%csl Gf6]} (9. Ba4 Nc4) 9... Ne8 {[%csl Ge8][%cal Ga8g8] Very bad for Black, his pieces aren't connected, can you find the next move [#] Hint: - A high tactical move} (9... Nxb3 10. exf6 {In between move} Nxa1 11. fxg7 Kxg7 12. Qxa1 {[%csl Gg7][%cal Ga1c1, Ge3h6] Two minor pieces for a Rook}) 10. Bxf7+ Kxf7 {What is Fischer next move? [#]} (10... Rxf7 {What is Fischer next move? [#]} 11. Ne6 {[%csl Gb6, Gc7][%cal Ge6c7,Ge3b6] So the idea here when Fischer sacrificed the bishop to get the control of the e6 square where you have the nice idea of Ne6 move and the Queen is trapped} dxe6 12. Qxd8) 11. Ne6 dxe6 (11... Kxe6 12. Qd5+ Kf5 13. g4+ (13. e6+ Be5 14. g4+) 13... Kxg4 14. Rg1+ Kf5 (14... Kh5 15. Qg2 (15. Rg5+ Kh4 16. Qe4+ Kh3 17. Rg3+ Kxh2 18. Qg2#)) 15. Rg5#) (11... Kg8 12. Nxd8) 12. Qxd8 Nc6 13. Qd2 Bxe5 14. O-O Nd6 15. Bf4 Nc4 16. Qe2 Bxf4 17. Qxc4 Kg7 18. Ne4 Bc7 19. Nc5 Rf6 20. c3 e5 21. Rad1 Nd8 22. Nd7 Rc6 23. Qh4 Re6 24. Nc5 Rf6 25. Ne4 Rf4 26. Qxe7+ Rf7 27. Qa3 Nc6 28. Nd6 Bxd6 29. Rxd6 Bf5 30. b4 Rff8 31. b5 Nd8 32. Rd5 Nf7 33. Rc5 a6 34. b6 Be4 35. Re1 Bc6 36. Rxc6 bxc6 37. b7 Rab8 38. Qxa6 Nd8 39. Rb1 Rf7 40. h3 Rfxb7 41. Rxb7+ Rxb7 42. Qa8 1-0