| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. Pirc vs S Erdelyi |
| 1-0 | 59 | 1930 | Stubnianske Teplice | D60 Queen's Gambit Declined, Orthodox Defense |
| 2. S Erdelyi vs Flohr |
| 1-0 | 29 | 1930 | Stubnianske Teplice | E40 Nimzo-Indian, 4.e3 |
| 3. J Engel vs S Erdelyi |
| 1-0 | 34 | 1930 | Stubnianske Teplice | B40 Sicilian |
| 4. S Erdelyi vs S Khan |
| 0-1 | 45 | 1931 | Prague Olympiad | E44 Nimzo-Indian, Fischer Variation, 5.Ne2 |
| 5. S Erdelyi vs H Johner |
| 1-0 | 27 | 1931 | Prague Olympiad | E47 Nimzo-Indian, 4.e3 O-O 5.Bd3 |
| 6. Bogoljubov vs S Erdelyi |
| 1-0 | 31 | 1931 | Prague Olympiad | D68 Queen's Gambit Declined, Orthodox Defense, Classical |
| 7. E Andersen vs S Erdelyi |
 | 1-0 | 31 | 1931 | Prague Olympiad | D46 Queen's Gambit Declined Semi-Slav |
| 8. S Erdelyi vs H Mattison |
| 1-0 | 32 | 1931 | Prague Olympiad | E49 Nimzo-Indian, 4.e3, Botvinnik System |
| 9. E Steiner vs S Erdelyi |
| 1-0 | 56 | 1931 | Prague Olympiad | B10 Caro-Kann |
| 10. S Erdelyi vs Flohr |
| 0-1 | 32 | 1931 | Prague Olympiad | D30 Queen's Gambit Declined |
| 11. Alekhine vs S Erdelyi |
 | 1-0 | 42 | 1931 | Prague Olympiad | B40 Sicilian |
| 12. Stahlberg vs S Erdelyi |
| 1-0 | 42 | 1931 | Prague Olympiad | D37 Queen's Gambit Declined |
| 13. S Erdelyi vs Vidmar |
| 0-1 | 36 | 1931 | Prague Olympiad | D48 Queen's Gambit Declined Semi-Slav, Meran |
| 14. V Mikenas vs S Erdelyi |
| 0-1 | 68 | 1931 | Prague Olympiad | D04 Queen's Pawn Game |
| 15. S Erdelyi vs Kashdan |
| 0-1 | 32 | 1931 | Prague Olympiad | D52 Queen's Gambit Declined |
| 16. H C Christoffersen vs S Erdelyi |
| 1-0 | 36 | 1931 | Prague Olympiad | B83 Sicilian |
| 17. O Troianescu vs S Erdelyi |
| 1-0 | 43 | 1935 | Cernauti | D31 Queen's Gambit Declined |
| 18. H Silbermann vs S Erdelyi |
| 1-0 | 30 | 1935 | Romanian Championship | D16 Queen's Gambit Declined Slav |
| 19. S Erdelyi vs G Alexandrescu |
| 0-1 | 30 | 1935 | Romanian Championship | E23 Nimzo-Indian, Spielmann |
| 20. S Erdelyi vs M Raizman |
| 1-0 | 28 | 1935 | Warsaw Olympiad | E27 Nimzo-Indian, Samisch Variation |
| 21. S Erdelyi vs K Makarczyk |
| ½-½ | 29 | 1935 | Warsaw Olympiad | D51 Queen's Gambit Declined |
| 22. S Erdelyi vs J Nielsen |
| 0-1 | 17 | 1935 | Warsaw Olympiad | D08 Queen's Gambit Declined, Albin Counter Gambit |
| 23. H Mueller vs S Erdelyi |
| ½-½ | 74 | 1935 | Warsaw Olympiad | D11 Queen's Gambit Declined Slav |
| 24. S Erdelyi vs I Solin |
| 0-1 | 50 | 1935 | Warsaw Olympiad | D95 Grunfeld |
| 25. P Vaitonis vs S Erdelyi |
| ½-½ | 39 | 1935 | Warsaw Olympiad | D16 Queen's Gambit Declined Slav |
Kibitzing
