- Name:
- Geert Jan Jonk
- Years:
- 1999 - 2000
- Total Games:
- 18
- Wins:
- 6 (33.33 %)
- Draws:
- 6 (33.33 %)
- Losses:
- 6 (33.33 %)
- Score:
- 50 %
Geert Jan Jonk
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
|---|---|---|---|
| NED-ch U20 op | 08/07/2000 | 243 | 
Netherlands |
| NED U16 op | ??/??/1999 | 0 |
Netherlands |
Most Played Openings as White
| ECO | Opening | Games |
|---|---|---|
| B34 | Sicilian, accelerated fianchetto, exchange variation | 1 games |
| C42 | Petrov's defence | 1 games |
| B77 | Sicilian, dragon, Yugoslav attack, 9.Bc4 | 1 games |
| B76 | Sicilian, dragon, Yugoslav attack, 7...O-O | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
|---|---|---|
| B20 | Sicilian defence | 2 games |
| A07 | Reti, King's Indian attack (Barcza system) | 1 games |
| C11 | French defence | 1 games |
| A00 | Polish (Sokolsky) opening | 1 games |
Games played by Geert Jan Jonk
| White | Elo | Black | Elo | Result | Moves | ECO | Year | Tournament | Moves |
|---|---|---|---|---|---|---|---|---|---|
| De Bruijn, E | Jonk, G | 0-1 | 67 | D53 | 2000 | NED-ch U20 op | |||
| D532000NED-ch U20 op | |||||||||
| Jonk, G | Visser, H | 0-1 | 36 | B76 | 2000 | NED-ch U20 op | |||
| B762000NED-ch U20 op | |||||||||
| Den Hartog, T | Jonk, G | 0-1 | 16 | A00 | 2000 | NED-ch U20 op | |||
| A002000NED-ch U20 op | |||||||||
| Van den Berg, H | Jonk, G | ½-½ | 59 | C11 | 2000 | NED-ch U20 op | |||
| C112000NED-ch U20 op | |||||||||
| Jonk, G | Lieven, M | ½-½ | 18 | C42 | 2000 | NED-ch U20 op | |||
| C422000NED-ch U20 op | |||||||||
| Jonk, G | Snuverink, L | 0-1 | 31 | B77 | 2000 | NED-ch U20 op | |||
| B772000NED-ch U20 op | |||||||||
| Jonk, G | De Boer, R | 1-0 | 34 | B34 | 2000 | NED-ch U20 op | |||
| B342000NED-ch U20 op | |||||||||
| Van Weersel, A | Jonk, G | 1-0 | 44 | B20 | 2000 | NED-ch U20 op | |||
| B202000NED-ch U20 op | |||||||||
| Heltzel, J | Jonk, G | 1-0 | 44 | A07 | 2000 | NED-ch U20 op | |||
| A072000NED-ch U20 op | |||||||||
| Den Heeten, D | Jonk, G | 1-0 | 31 | B24 | 1999 | NED U16 op | |||
| B241999NED U16 op | |||||||||
| Jonk, G | Van Dommelen, M | ½-½ | 14 | B28 | 1999 | NED U16 op | |||
| B281999NED U16 op | |||||||||
| Jonk, G | De Jong, R | 1-0 | 52 | C56 | 1999 | NED U16 op | |||
| C561999NED U16 op | |||||||||
| Stevens, F | Jonk, G | 0-1 | 30 | B20 | 1999 | NED U16 op | |||
| B201999NED U16 op | |||||||||
| Jonk, G | Drewes, B | ½-½ | 46 | C41 | 1999 | NED U16 op | |||
| C411999NED U16 op | |||||||||
| Huebner, W | Jonk, G | 0-1 | 54 | B50 | 1999 | NED U16 op | |||
| B501999NED U16 op | |||||||||
| Jonk, G | Zoutman, F | ½-½ | 32 | B45 | 1999 | NED U16 op | |||
| B451999NED U16 op | |||||||||
| Damminga, F | Jonk, G | ½-½ | 22 | A46 | 1999 | NED U16 op | |||
| A461999NED U16 op | |||||||||
| Kamstra, J | Jonk, G | 1-0 | 37 | B92 | 1999 | NED U16 op | |||
| B921999NED U16 op | |||||||||