Jan Oistein Kristoffersen
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Sandefjord Caissa CC-ch | 01/16/2006 | 1354 | Norway |
| Sandefjord Caissa op | 08/29/2005 | 1413 | Norway |
| NOR-chB | 07/01/2005 | 717 | Norway |
| Caissa CC-ch | ??/??/2004 | 640 | Norway |
Most Played Openings as White
| ECO | Opening | Games |
| C02 | French, advance variation | 3 games |
| B22 | Sicilian, Alapin's variation (2.c3) | 3 games |
| C40 | King's knight opening | 2 games |
| C10 | French, Paulsen variation | 2 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C32 | King's Gambit Declined, Falkbeer, 5.de | 2 games |
| A07 | Reti, King's Indian attack (Barcza system) | 2 games |
| A52 | Budapest defence | 2 games |
| E12 | Queen's Indian defence | 2 games |


Norway