| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. E Ioannidis vs J Nemec |
| 1-0 | 32 | 2023 | Teplice Open | A28 English |
| 27. J Stocek vs J Nemec |
| 0-1 | 54 | 2023 | Teplice Open | A11 English, Caro-Kann Defensive System |
| 28. K Shevchenko vs J Nemec |
| 1-0 | 63 | 2024 | GRENKE Chess Open | B35 Sicilian, Accelerated Fianchetto, Modern Variation with Bc4 |
| 29. J Nemec vs J Santos Latasa |
| ½-½ | 19 | 2024 | GRENKE Chess Open | D35 Queen's Gambit Declined |
| 30. F Bettalli vs J Nemec |
| 1-0 | 38 | 2024 | GRENKE Chess Open | B90 Sicilian, Najdorf |
| 31. J Nemec vs T Kraus |
| 1-0 | 30 | 2024 | Czech Championship | E04 Catalan, Open, 5.Nf3 |
| 32. Navara vs J Nemec |
| 1-0 | 32 | 2024 | Czech Championship | B30 Sicilian |
| 33. J Nemec vs P Simacek |
| ½-½ | 62 | 2024 | Czech Championship | E06 Catalan, Closed, 5.Nf3 |
| 34. P Neuman vs J Nemec |
| 1-0 | 38 | 2024 | Czech Championship | B20 Sicilian |
| 35. J Nemec vs S Hrbek |
| 0-1 | 50 | 2024 | Czech Championship | A07 King's Indian Attack |
| 36. J Nemec vs R Stalmach |
| 1-0 | 43 | 2024 | Czech Championship | E10 Queen's Pawn Game |
| 37. V Finek vs J Nemec |
| 1-0 | 79 | 2024 | Czech Championship | D30 Queen's Gambit Declined |
| 38. J Nemec vs M Jirovsky |
| 1-0 | 41 | 2024 | Czech Championship | A06 Reti Opening |
| 39. J Stocek vs J Nemec |
| 1-0 | 38 | 2024 | Czech Championship | D51 Queen's Gambit Declined |
| 40. J Nemec vs O Hurtak |
| 1-0 | 38 | 2024 | Teplice Open | A40 Queen's Pawn Game |
| 41. P Stigar vs J Nemec |
| 0-1 | 34 | 2024 | Teplice Open | D38 Queen's Gambit Declined, Ragozin Variation |
| 42. J Nemec vs F Svane |
| 1-0 | 58 | 2024 | Teplice Open | E04 Catalan, Open, 5.Nf3 |
| 43. J Tin vs J Nemec |
| 1-0 | 59 | 2024 | Teplice Open | D50 Queen's Gambit Declined |
| 44. J Nemec vs A Kuru |
| ½-½ | 50 | 2024 | Teplice Open | A06 Reti Opening |
| 45. R Rakshitta vs J Nemec |
| ½-½ | 45 | 2024 | Teplice Open | B40 Sicilian |
| 46. J Nemec vs P Freisler |
| ½-½ | 52 | 2024 | Teplice Open | E16 Queen's Indian |
| 47. S Placer vs J Nemec |
| 0-1 | 34 | 2024 | Teplice Open | B90 Sicilian, Najdorf |
| 48. J Nemec vs Smirin |
 | 0-1 | 27 | 2024 | Teplice Open | B08 Pirc, Classical |
| 49. A Artemov vs J Nemec |
| 0-1 | 103 | 2024 | European Youth Championship U16 | D02 Queen's Pawn Game |
| 50. J Nemec vs N Perossa |
| 0-1 | 40 | 2024 | European Youth Championship U16 | D31 Queen's Gambit Declined |
Kibitzing
