Game |
| Result | Moves |
Year | Event/Locale | Opening |
26. P Kupper vs D Barahona |
| ½-½ | 45 | 1991 | World Youth U26 Team Championship | C28 Vienna Game |
27. P Kupper vs T Polak |
| ½-½ | 42 | 1991 | Mitropa Cup | B70 Sicilian, Dragon Variation |
28. M Hoffmann vs P Kupper |
| 1-0 | 40 | 1991 | Mitropa Cup | E15 Queen's Indian |
29. I Almasi vs P Kupper |
| ½-½ | 91 | 1991 | Mitropa Cup | C16 French, Winawer |
30. P Kupper vs S Djuric |
| 0-1 | 33 | 1991 | Mitropa Cup | C23 Bishop's Opening |
31. L Santolini vs P Kupper |
| ½-½ | 30 | 1991 | Mitropa Cup | E42 Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein) |
32. P Kupper vs E Weinzettl |
| 1-0 | 43 | 1991 | Mitropa Cup | C17 French, Winawer, Advance |
33. M Epelbaum vs P Kupper |
| 0-1 | 31 | 1993 | Budapest Spring Open | E20 Nimzo-Indian |
34. P Kupper vs Z Gyimesi |
| 0-1 | 37 | 1993 | Budapest Spring Open | C28 Vienna Game |
35. P Kupper vs L Gyorkos |
| ½-½ | 28 | 1993 | Budapest Spring Open | B58 Sicilian |
36. T Fogarasi vs P Kupper |
| 0-1 | 48 | 1993 | Budapest Spring Open | C16 French, Winawer |
37. P Kupper vs K Starosek |
| ½-½ | 28 | 1993 | Budapest Spring Open | B23 Sicilian, Closed |
38. P Kupper vs Avrukh |
| 0-1 | 34 | 1993 | Budapest Spring Open | B58 Sicilian |
39. K Petrosian vs P Kupper |
| 0-1 | 60 | 1993 | Budapest Spring Open | A46 Queen's Pawn Game |
40. K Pinkas vs P Kupper |
| 0-1 | 33 | 1993 | Budapest Spring Open | C16 French, Winawer |
41. P Kupper vs T Zatulovskaya |
| ½-½ | 33 | 1995 | Berliner Sommer | B22 Sicilian, Alapin |
42. S Cacho Reigadas vs P Kupper |
| 1-0 | 70 | 1996 | Wch U26 | A15 English |
43. Keene vs P Kupper |
 | 1-0 | 27 | 1998 | Simul Stein am Rhein | A45 Queen's Pawn Game |
44. J Gallagher vs P Kupper |
| 1-0 | 21 | 1999 | SUI-chT | B01 Scandinavian |
45. G Siegel vs P Kupper |
| 0-1 | 60 | 1999 | SUI-ch | E12 Queen's Indian |
46. C Gabriel vs P Kupper |
| 1-0 | 24 | 2002 | SUI-chT | E39 Nimzo-Indian, Classical, Pirc Variation |
47. P Kupper vs U Rueetschi |
| ½-½ | 32 | 2005 | SUI-chT | C17 French, Winawer, Advance |
48. P Kupper vs J Adler |
| 0-1 | 26 | 2005 | SUI-chT | B07 Pirc |
49. N Friedrich vs P Kupper |
| 1-0 | 27 | 2006 | SUI-chT | C09 French, Tarrasch, Open Variation, Main line |