| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 26. P Arnaudov vs I Hristov |
| ½-½ | 36 |
1991 |
Teteven op | C29 Vienna Gambit |
| 27. P Arnaudov vs D Marholev |
| 1-0 | 60 |
2001 |
65th ch-BUL | C76 Ruy Lopez, Modern Steinitz Defense, Fianchetto Variation |
| 28. P Arnaudov vs S Kuzmanov |
| 1-0 | 68 |
2001 |
65th ch-BUL | A13 English |
| 29. S Kozhuharov vs P Arnaudov |
| 1-0 | 41 |
2001 |
65th ch-BUL | B06 Robatsch |
| 30. V Georgiev vs P Arnaudov |
| ½-½ | 11 |
2001 |
65th ch-BUL | A37 English, Symmetrical |
| 31. P Arnaudov vs M Petrov |
| 0-1 | 55 |
2001 |
65th ch-BUL | B24 Sicilian, Closed |
| 32. I Cvetkov vs P Arnaudov |
| 1-0 | 59 |
2001 |
65th ch-BUL | A90 Dutch |
| 33. S Simeonov vs P Arnaudov |
| ½-½ | 60 |
2001 |
65th ch-BUL | B06 Robatsch |
| 34. P Arnaudov vs P Drenchev |
| ½-½ | 45 |
2001 |
65th ch-BUL | C65 Ruy Lopez, Berlin Defense |
| 35. P Arnaudov vs J Radulski |
| ½-½ | 82 |
2001 |
65th ch-BUL | D00 Queen's Pawn Game |
| 36. Uwe Tredup vs P Arnaudov |
| ½-½ | 43 |
2004 |
Wch Seniors 14th | B06 Robatsch |
| 37. H Metz vs P Arnaudov |
| 1-0 | 51 |
2006 |
5th Memorial Georgiev-Kesarovski | B27 Sicilian |
| 38. P Arnaudov vs M Petrovic |
| ½-½ | 35 |
2006 |
5th Memorial Georgiev-Kesarovski | A45 Queen's Pawn Game |
| 39. P Arnaudov vs K Badev |
| 0-1 | 70 |
2006 |
5th Memorial Georgiev-Kesarovski | A45 Queen's Pawn Game |
| 40. V Lilov vs P Arnaudov |
| 1-0 | 37 |
2007 |
6th Kesarovski - Georgiev Mem | C16 French, Winawer |
| 41. P Arnaudov vs I Stavrianakis |
| 1-0 | 49 |
2008 |
European Individual Championship | A13 English |
| 42. B Morchiashvili vs P Arnaudov |
| 1-0 | 65 |
2008 |
European Individual Championship | A54 Old Indian, Ukrainian Variation, 4.Nf3 |
| 43. P Arnaudov vs N Kostic |
| 1-0 | 43 |
2008 |
European Individual Championship | B07 Pirc |
| 44. P Arnaudov vs M Bakalarz |
| 0-1 | 50 |
2008 |
European Individual Championship | B23 Sicilian, Closed |
| 45. C Lupulescu vs P Arnaudov |
| 1-0 | 30 |
2008 |
European Individual Championship | B44 Sicilian |
| 46. V Aristotelous vs P Arnaudov |
| 0-1 | 44 |
2008 |
European Individual Championship | A04 Reti Opening |
| 47. T Willemze vs P Arnaudov |
| 1-0 | 88 |
2008 |
European Individual Championship | B06 Robatsch |
| 48. V Lilov vs P Arnaudov |
| 1-0 | 33 |
2008 |
72nd Bulgarian Men Championship Semi-fi | B27 Sicilian |
| 49. P Arnaudov vs D Blagojevic |
| 0-1 | 24 |
2008 |
European Individual Championship | C33 King's Gambit Accepted |
| 50. P Arnaudov vs K Badev |
| 0-1 | 30 |
2008 |
European Individual Championship | B31 Sicilian, Rossolimo Variation |