| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. D Dunne vs L Arnold |
| 1-0 | 60 |
1976 |
Wch U16 | B33 Sicilian |
| 2. L Arnold vs T Natsis |
 | 1-0 | 19 |
1978 |
Groningen | B30 Sicilian |
| 3. L Arnold vs M Heidrich |
| 1-0 | 24 |
1985 |
Baden-Bayern tt | B29 Sicilian, Nimzovich-Rubinstein |
| 4. Chandler vs L Arnold |
| 1-0 | 40 |
1987 |
Bundesliga 1986/87 | B29 Sicilian, Nimzovich-Rubinstein |
| 5. K Mokry vs L Arnold |
| 1-0 | 50 |
1991 |
BL2-S 9192 | B42 Sicilian, Kan |
| 6. P Haba vs L Arnold |
| 1-0 | 61 |
1991 |
BL2-S 9192 | C02 French, Advance |
| 7. V Tukmakov vs L Arnold |
| 1-0 | 55 |
1994 |
Zuerich op | A40 Queen's Pawn Game |
| 8. Ftacnik vs L Arnold |
| 1-0 | 29 |
1997 |
Bundesliga 1996/97, Germany | D20 Queen's Gambit Accepted |
| 9. K Darga vs L Arnold |
| 1-0 | 40 |
1997 |
BL2-S 9798 | A28 English |
| 10. P Lukacs vs L Arnold |
| 1-0 | 39 |
2001 |
FSGM August | D27 Queen's Gambit Accepted, Classical |
| 11. Groszpeter vs L Arnold |
| 1-0 | 42 |
2001 |
VI Cup GM | B42 Sicilian, Kan |
| 12. D Komarov vs L Arnold |
| 1-0 | 27 |
2001 |
TCh-FRA | D39 Queen's Gambit Declined, Ragozin, Vienna Variation |
| 13. T Fogarasi vs L Arnold |
| 1-0 | 57 |
2001 |
FSGM August | B29 Sicilian, Nimzovich-Rubinstein |
| 14. Degraeve vs L Arnold |
| 1-0 | 28 |
2001 |
TCh-FRA | C11 French |
| 15. S Drazic vs L Arnold |
| 1-0 | 55 |
2001 |
FSGM August | A07 King's Indian Attack |
| 16. J Sprenger vs L Arnold |
| 1-0 | 41 |
2001 |
VI Cup GM | B43 Sicilian, Kan, 5.Nc3 |
| 17. Z Medvegy vs L Arnold |
| 1-0 | 32 |
2001 |
FSGM August | C11 French |
| 18. L Arnold vs Sundararajan |
| 1-0 | 46 |
2001 |
VI Cup GM | B81 Sicilian, Scheveningen, Keres Attack |
| 19. M Umansky vs L Arnold |
| 1-0 | 80 |
2003 |
Bodensee-Cup 9th | D20 Queen's Gambit Accepted |
