| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 51. J Pinter vs N Heck |
| ½-½ | 107 | 2001 | Dortmund Open-A | E94 King's Indian, Orthodox |
| 52. N Heck vs A Mikhalchishin |
| 0-1 | 42 | 2001 | Dortmund Open-A | A15 English |
| 53. N Heck vs T Grotkjaer |
| 1-0 | 25 | 2001 | Dortmund Open-A | E08 Catalan, Closed |
| 54. S Zarges vs N Heck |
| 1-0 | 29 | 2001 | Dortmund Open-A | B40 Sicilian |
| 55. K Schimmer vs N Heck |
| 0-1 | 37 | 2001 | Dortmund Open-A | E60 King's Indian Defense |
| 56. N Heck vs M Dehne |
| 1-0 | 44 | 2001 | Dortmund Open-A | A04 Reti Opening |
| 57. G Kern vs N Heck |
| 1-0 | 39 | 2001 | Dortmund Open-A | E81 King's Indian, Samisch |
| 58. N Heck vs L Stark |
| 1-0 | 47 | 2001 | Dortmund Open-A | E17 Queen's Indian |
| 59. N Heck vs P Konguvel |
| 0-1 | 55 | 2001 | Dortmund Open-A | E63 King's Indian, Fianchetto, Panno Variation |
| 60. B Ries vs N Heck |
| ½-½ | 29 | 2001 | Dortmund Open-A | E92 King's Indian |
| 61. N Heck vs G Geisser |
| 1-0 | 48 | 2002 | Bad Zwesten Open | E67 King's Indian, Fianchetto |
| 62. N Heck vs K Bischoff |
| 0-1 | 48 | 2002 | Bad Zwesten Open | D02 Queen's Pawn Game |
| 63. J Hagenauer vs N Heck |
| 0-1 | 23 | 2002 | Bad Zwesten Open | E73 King's Indian |
| 64. M Schnabel vs N Heck |
| 1-0 | 66 | 2002 | Bad Zwesten Open | B40 Sicilian |
| 65. J Koller vs N Heck |
| 0-1 | 40 | 2002 | Bad Zwesten Open | B06 Robatsch |
| 66. N Heck vs W Zoch |
| 1-0 | 55 | 2002 | Bad Zwesten Open | D02 Queen's Pawn Game |
| 67. I Farago vs N Heck |
| 1-0 | 33 | 2002 | Bad Zwesten Open | E94 King's Indian, Orthodox |
| 68. N Heck vs H Doeres |
| 0-1 | 48 | 2002 | Bad Zwesten Open | D15 Queen's Gambit Declined Slav |
| 69. N Heck vs T Markowski |
| 0-1 | 30 | 2003 | Bad Zwesten op 7th | B08 Pirc, Classical |
| 70. N Heck vs T Markowski |
| ½-½ | 70 | 2004 | Bad Zwesten op 8th | A37 English, Symmetrical |
| 71. N Heck vs J Meister |
 | 0-1 | 91 | 2004 | German Championship | D02 Queen's Pawn Game |
| 72. D Riegler vs N Heck |
| 0-1 | 35 | 2004 | German Championship | E90 King's Indian |
| 73. N Heck vs R Mainka |
| 0-1 | 37 | 2004 | German Championship | A40 Queen's Pawn Game |
| 74. L Gutman vs N Heck |
| 0-1 | 54 | 2004 | German Championship | A49 King's Indian, Fianchetto without c4 |
| 75. R Voigt vs N Heck |
| 0-1 | 44 | 2004 | German Championship | A15 English |
Kibitzing
