 
                                    | Date | Chess tournament name | Status | ||
|---|---|---|---|---|
| No results | No results | No results | No results | No results | 
| Date | Players & Opening | Result | ECO | View | 
|---|---|---|---|---|
| No results | No results | No results | No results | No results | 
| Date | Players & Opening | Result | ECO | View | 
|---|---|---|---|---|
| 2004.04.10 | Dondergoor, EJ. vs Koetsier, David Cogas Open Queen's Pawn Zukertort | 1/2-1/2 | D02 | |
| 2004.04.10 | Van Vliet, GJ. vs Dondergoor, EJ. Cogas Open English Carls (Keres) - Carls | 1-0 | A23 | |
| 2004.04.09 | Dondergoor, EJ. vs Snuverink, M. Cogas Open Semi-Slav Meran | 0-1 | D48 | |
| 2004.04.09 | Van Eijk, S. (2233) vs Dondergoor, EJ. Cogas Open Sicilian - Pelikan (Sveshnikov) | 1-0 | B33 | |
| 2004.04.08 | Dondergoor, EJ. vs (2317) Hartoch, R. Cogas Open Irregular Queen's Pawn - Kotov | 1/2-1/2 | A40 | |
| 2006.04.23 | Timmermans, I. (2212) vs Dondergoor, EJ. TCh-NED 2005-6 Caro-Kann - Maroczy | 1-0 | B12 | |
| 1994.12.01 | Kleywegt, J. vs Dondergoor, E. Groningen open Sicilian Dragon | 1-0 | B70 | |
| 1994.12.01 | Mellink, J. vs Dondergoor, E. Groningen open Sicilian Closed - Chameleon | 1-0 | B23 | |
| 1992.01.01 | Dondergoor, Evert vs Jonkman, Harmen Hengelo A Queen's Gambit Accepted | 0-1 | D20 | |
| 1994.12.01 | Dondergoor, E. vs Wijks, W. Groningen open King's Indian Modern | 1-0 | E94 | |
| 1994.12.01 | Boer, A. vs Dondergoor, E. Groningen open Queen's Indian Fianchetto - Nimzovich | 0-1 | E15 |