| 11 abr 2026 | Kuipers, Stefan 2449 | Kurt, Sascha 2280 | 1-0 | B90 Defensa Siciliana: Najdorf Variation | Dutch Meesterklasse 2025/26 | 34 | Ver |
| 28 mar 2026 | Bakker, Jan 2119 | Kuipers, Stefan 2453 | 0-1 | D02 Apertura de Peón de Dama: London System | Dutch Meesterklasse 2025/26 | 41 | Ver |
| 8 mar 2026 | Grooten, Herman 2182 | Kuipers, Stefan 2453 | 0-1 | D37 Gambito de Dama rehusado: Three Knights Variation | Meesterklasse | 57 | Ver |
| 7 feb 2026 | Kuipers, Stefan 2451 | Van der Hagen, Loek 2212 | 1-0 | B50 Defensa Siciliana: Delayed Alapin Variation, with d6 | Dutch Meesterklasse 2025/26 | 113 | Ver |
| 26 dic 2025 | Kerigan, Demre 2359 | Kuipers, Stefan 2445 | 0-1 | B00 Defensa Pirc | Dutch Meesterklasse 2025/26 | 52 | Ver |
| 22 nov 2025 | Baltic, Fatih 2260 | Kuipers, Stefan 2446 | ½-½ | A07 Ataque Indio de Rey | Dutch Meesterklasse 2025/26 | 35 | Ver |
| 7 nov 2025 | Kuipers, Stefan 2446 | Jens, Jelmer 2356 | ½-½ | B62 Defensa Siciliana: Richter-Rauzer Variation | KNSB competitie 2025/2026 | 33 | Ver |