J. Offringa
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Utrecht OKU op | 06/10/2005 | 631 | Netherlands |
| Hengelo U20 op | ??/??/1998 | 201 | Netherlands |
| Hengelo U20 | ??/??/1996 | 297 | Netherlands |
Most Played Openings as White
| ECO | Opening | Games |
| B43 | Sicilian, Kan, 5.Nc3 | 1 games |
| A39 | English, symmetrical, main line with d4 | 1 games |
| A89 | Dutch, Leningrad, main variation with Nc6 | 1 games |
| A38 | English, symmetrical variation | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C02 | French, advance variation | 3 games |
| C15 | French, Winawer (Nimzovich) variation | 1 games |
| C00 | French defence | 1 games |
| D20 | Queen's gambit accepted | 1 games |


Netherlands