- Name:
- Gerbrand Koster
- Years:
- 1999 - 1999
- Total Games:
- 4
- Wins:
- 3 (75 %)
- Draws:
- 0 (0 %)
- Losses:
- 1 (25 %)
- Score:
- 75 %
Gerbrand Koster
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
|---|---|---|---|
| Haarlem AKN op 8th | 07/02/1999 | 769 | 
Netherlands |
Most Played Openings as White
| ECO | Opening | Games |
|---|---|---|
| B48 | Sicilian, Taimanov variation | 1 games |
| C02 | French, advance variation | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
|---|---|---|
| C25 | Vienna game | 1 games |
| A92 | Dutch defence | 1 games |
Games played by Gerbrand Koster
| White | Elo | Black | Elo | Result | Moves | ECO | Year | Tournament | Moves |
|---|---|---|---|---|---|---|---|---|---|
| Koster, G | Westerweele, H | 1-0 | 45 | C02 | 1999 | Haarlem AKN op 8th | |||
| C021999Haarlem AKN op 8th | |||||||||
| Koster, G | Janse, P | 0-1 | 43 | B48 | 1999 | Haarlem AKN op 8th | |||
| B481999Haarlem AKN op 8th | |||||||||
| Beugelink, E | Koster, G | 0-1 | 7 | A92 | 1999 | Haarlem AKN op 8th | |||
| A921999Haarlem AKN op 8th | |||||||||
| Lubbers, R | Koster, G | 0-1 | 55 | C25 | 1999 | Haarlem AKN op 8th | |||
| C251999Haarlem AKN op 8th | |||||||||