Groningen SO ON Mini op-D
Groningen 2000
| Date | Players | Type | Elo Average | Games | Rounds |
| Dec, 2000 | 24 | Swiss | 24 | 5 |
| Name | ELO | Points | ||
| Koekoek, Maarten | 4.5 | |||
| Ruigendijk, Ferry | 3.0 | |||
|
Den Boer, Paul | 3.0 | ||
|
Krijnen, Wim | 2.0 | ||
| Hartman, Albertus | 1.5 | |||
| Tillema, Berend | 1.5 | |||
| Wijma, Jan | 1.5 | |||
| Omlo, Alfred | 1.5 | |||
|
Wijbenga, Frits | 1.0 | ||
| Jansen, Bart | 1.0 | |||
|
Bronsema, Pieter | 1.0 | ||
| Duisterwinkel, Jan | 0.5 | |||
|
Krawczyk, Jarek | 0.5 | ||
| Van der Ploeg, Jan | 0.5 | |||
| Soeteman, Pieter | 0.5 | |||
| Steenbergen, Ruud | 0.5 | |||
| Van der Heijden, Kasper | 0.0 | |||
| Van den Berg, Johan | 0.0 | |||
| Cats, S. | 0.0 | |||
| Sahakian, Levon | 0.0 | |||
| Mekkes, Harm | 0.0 | |||
| Euverman, Jan | 0.0 | |||
| Stellingwerf, R. | 0.0 | |||
| Breuker, Bert | 0.0 | |||
Groningen SO ON Mini op-D Games
| White | Black | Result | Round | Date | Opening | View |
| Duisterwinkel, J | Krawczyk, J | ½-½  |
1 | 2000 | B95 Sicilian, Najdorf, 6...e6 |   |
| Koekoek, M | Stellingwerf, R | 1-0 |
1 | 2000 | C30 King's gambit |   |
| Steenbergen, R | Soeteman, P | ½-½ |
1 | 2000 | B56 Sicilian | |
| Tillema, B | Mekkes, H | 1-0 |
1 | 2000 | C42 Petrov's defence | |
| Van der Ploeg, J | Omlo, A | ½-½ |
1 | 2000 | A21 English opening | |
| Krawczyk, J | Den Boer, P | 0-1 |
2 | 2000 | C35 King's Gambit Accepted, Cunningham defence | |
| Van den Berg, J | Ruigendijk, F | 0-1 |
2 | 2000 | A85 Dutch with c4 & Nc3 | |
| Van der Heijden, K | Koekoek, M | 0-1 |
2 | 2000 | B50 Sicilian | |
| Wijbenga, F | Cats, S | 1-0 |
2 | 2000 | C55 Two knights defence | |
| Wijma, J | Tillema, B | ½-½ |
2 | 2000 | A00 Polish (Sokolsky) opening | |
| Den Boer, P | Sahakian, L | 1-0 |
3 | 2000 | D37 Queen's Gambit Declined, 4.Nf3 | |
| Koekoek, M | Wijbenga, F | 1-0 |
3 | 2000 | B80 Sicilian, Scheveningen variation | |
| Krijnen, W | Wijma, J | 1-0 |
3 | 2000 | B12 Caro-Kann defence | |
| Omlo, A | Euverman, J | 1-0 |
3 | 2000 | A02 Bird's opening | |
| Bronsema, P | Omlo, A | 1-0 |
4 | 2000 | B06 Robatsch (modern) defence | |
| Hartman, A | Den Boer, P | 1-0 |
4 | 2000 | D40 Queen's Gambit Declined, Semi-Tarrasch defence | |
| Tillema, B | Koekoek, M | 0-1 |
4 | 2000 | B70 Sicilian, dragon variation | |
| Van der Heijden, K | Ruigendijk, F | 0-1 |
4 | 2000 | B90 Sicilian, Najdorf | |
| Wijma, J | Cats, S | 1-0 |
4 | 2000 | C20 King's pawn game | |
| Den Boer, P | Wijbenga, F | 1-0 |
5 | 2000 | D64 Queen's Gambit Declined, Orthodox defence, Rubinstein attack (with Rc1) | |
| Jansen, B | Bronsema, P | 1-0 |
5 | 2000 | E61 King's Indian defence, 3.Nc3 | |
| Koekoek, M | Hartman, A | ½-½ |
5 | 2000 | B46 Sicilian, Taimanov variation | |
| Krijnen, W | Breuker, B | 1-0 |
5 | 2000 | C62 Ruy Lopez, old Steinitz defence | |
| Ruigendijk, F | Wijma, J | 1-0 |
5 | 2000 | B13 Caro-Kann, exchange variation | |