Game |
| Result | Moves |
Year | Event/Locale | Opening |
26. N Heck vs G Seul |
| ½-½ | 26 | 1999 | Bad Zwesten Open | A41 Queen's Pawn Game (with ...d6) |
27. Epishin vs N Heck |
| ½-½ | 60 | 1999 | Bad Zwesten Open | E94 King's Indian, Orthodox |
28. N Heck vs P Chandler |
| 1-0 | 78 | 1999 | Bad Zwesten Open | A49 King's Indian, Fianchetto without c4 |
29. Glek vs N Heck |
| 1-0 | 30 | 1999 | Bad Zwesten Open | B08 Pirc, Classical |
30. A Sadewasser vs N Heck |
| 0-1 | 23 | 1999 | Bad Zwesten Open | E68 King's Indian, Fianchetto, Classical Variation, 8.e4 |
31. N Heck vs L Gutman |
| 1-0 | 64 | 1999 | Bad Zwesten Open | D78 Neo-Grunfeld, 6.O-O c6 |
32. M Wiertzema vs N Heck |
| 0-1 | 27 | 2000 | Bad Zwesten Open | A01 Nimzovich-Larsen Attack |
33. N Heck vs E van den Doel |
| 0-1 | 42 | 2000 | Bad Zwesten Open | D02 Queen's Pawn Game |
34. N Heck vs H W Ackermann |
| ½-½ | 41 | 2000 | Bad Zwesten Open | A37 English, Symmetrical |
35. N Heck vs P Kloninger |
| ½-½ | 26 | 2000 | Bad Zwesten Open | D16 Queen's Gambit Declined Slav |
36. D Paashaus vs N Heck |
| 0-1 | 28 | 2000 | Bad Zwesten Open | B06 Robatsch |
37. T Franz vs N Heck |
| 0-1 | 36 | 2000 | Bad Zwesten Open | B06 Robatsch |
38. N Heck vs U Schenk |
| 1-0 | 42 | 2000 | Bad Zwesten Open | E63 King's Indian, Fianchetto, Panno Variation |
39. I Zaragatski vs N Heck |
| ½-½ | 29 | 2000 | Bad Zwesten Open | B09 Pirc, Austrian Attack |
40. F Buchenau vs N Heck |
| 1-0 | 58 | 2000 | Bad Zwesten Open | B08 Pirc, Classical |
41. Ivanchuk vs N Heck |
 | ½-½ | 37 | 2000 | Frankfurt sim2 | E73 King's Indian |
42. K Mueller vs N Heck |
| 1-0 | 45 | 2000 | German Chess Championship | B06 Robatsch |
43. D Penndorf vs N Heck |
| ½-½ | 60 | 2001 | Bad Zwesten Open | B09 Pirc, Austrian Attack |
44. N Heck vs M Nazarenus |
| 1-0 | 43 | 2001 | Bad Zwesten Open | D46 Queen's Gambit Declined Semi-Slav |
45. A Schaffarczyk vs N Heck |
| ½-½ | 39 | 2001 | Bad Zwesten Open | B08 Pirc, Classical |
46. N Heck vs V Branding |
| 1-0 | 29 | 2001 | Bad Zwesten Open | A04 Reti Opening |
47. M Bouaraba vs N Heck |
| ½-½ | 67 | 2001 | Bad Zwesten Open | E62 King's Indian, Fianchetto |
48. N Heck vs O Hess |
| ½-½ | 40 | 2001 | Bad Zwesten Open | A37 English, Symmetrical |
49. R Bendel vs N Heck |
| 0-1 | 36 | 2001 | Bad Zwesten Open | B06 Robatsch |
50. N Heck vs M Unbehend |
| 1-0 | 78 | 2001 | Dortmund Open-A | D19 Queen's Gambit Declined Slav, Dutch |