| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. L Espig vs P Atanasov |
| 0-1 | 34 | 1967 | International Junior Tournament | B56 Sicilian |
| 2. D Ghizdavu vs P Atanasov |
| 1-0 | 56 | 1967 | International Junior Tournament | B56 Sicilian |
| 3. V Kirpichnikov vs P Atanasov |
| 1-0 | 32 | 1967 | International Junior Tournament | C64 Ruy Lopez, Classical |
| 4. R M McKay vs P Atanasov |
| 1-0 | 40 | 1968 | Wch U26-Prelim | C41 Philidor Defense |
| 5. P Atanasov vs Ribli |
| 0-1 | 39 | 1968 | Niemeyer Juniors Preliminary | B27 Sicilian |
| 6. J Pokojowczyk vs P Atanasov |
| 0-1 | 34 | 1968 | Niemeyer Juniors Preliminary | C41 Philidor Defense |
| 7. P Atanasov vs S Fedder |
| 1-0 | 72 | 1968 | Niemeyer Juniors Preliminary | C44 King's Pawn Game |
| 8. E Turunen vs P Atanasov |
| ½-½ | 21 | 1968 | Niemeyer Juniors Preliminary | D24 Queen's Gambit Accepted |
| 9. P Atanasov vs K Maeder |
| ½-½ | 16 | 1968 | Niemeyer Juniors Preliminary | B99 Sicilian, Najdorf, 7...Be7 Main line |
| 10. H Schaufelberger vs P Atanasov |
| ½-½ | 10 | 1968 | Niemeyer Juniors Preliminary | C41 Philidor Defense |
| 11. J Moles vs P Atanasov |
| ½-½ | 33 | 1968 | Niemeyer Juniors Preliminary | C53 Giuoco Piano |
| 12. Ribli vs P Atanasov |
| 1-0 | 72 | 1969 | Niemeyer Juniors | C72 Ruy Lopez, Modern Steinitz Defense, 5.O-O |
| 13. P Atanasov vs Vaganian |
| ½-½ | 47 | 1969 | Niemeyer Juniors | B02 Alekhine's Defense |
| 14. H Schaufelberger vs P Atanasov |
| 1-0 | 53 | 1969 | Niemeyer Juniors | C45 Scotch Game |
| 15. P Atanasov vs E Turunen |
| 1-0 | 34 | 1969 | Niemeyer Juniors | B47 Sicilian, Taimanov (Bastrikov) Variation |
| 16. Andersson vs P Atanasov |
| 1-0 | 36 | 1969 | Niemeyer Juniors | A23 English, Bremen System, Keres Variation |
| 17. P Atanasov vs S Webb |
| 0-1 | 66 | 1969 | Niemeyer Juniors | B32 Sicilian |
| 18. A Lombard vs P Atanasov |
 | 0-1 | 22 | 1969 | Niemeyer Juniors | C73 Ruy Lopez, Modern Steinitz Defense |
| 19. D Ghizdavu vs P Atanasov |
| 1-0 | 36 | 1969 | Niemeyer Juniors | C72 Ruy Lopez, Modern Steinitz Defense, 5.O-O |
| 20. P Atanasov vs K Maeder |
| 0-1 | 40 | 1969 | Niemeyer Juniors | B99 Sicilian, Najdorf, 7...Be7 Main line |
| 21. P Atanasov vs M Boelen |
| 1-0 | 41 | 1969 | World Student Team Championship qual-5 | C44 King's Pawn Game |
| 22. F Strobel vs P Atanasov |
| ½-½ | 20 | 1969 | World Student Team Championship qual-5 | A02 Bird's Opening |
| 23. P Atanasov vs A Dickson |
| 1-0 | 13 | 1969 | World Student Team Championship qual-5 | E10 Queen's Pawn Game |
| 24. P Atanasov vs S Martinovic |
| ½-½ | 15 | 1969 | World Student Team Championship qual-5 | E16 Queen's Indian |
| 25. P Atanasov vs M Sirkia |
| ½-½ | 37 | 1969 | World Student Team Championship qual-5 | B07 Pirc |
Kibitzing
