Jan W Cheung
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| NATO-ch 18th | 09/01/2007 | 1528 | Turkey |
| NATO-ch 17th | 08/21/2006 | 1444 | United Kingdom |
| NATO-ch 16th | 08/21/2005 | 1030 | Poland |
| NATO-ch 15th | 08/08/2004 | 1376 | Netherlands |
Most Played Openings as White
| ECO | Opening | Games |
| E11 | Bogo-Indian defence | 2 games |
| E15 | Queen's Indian, 4.g3 | 2 games |
| D31 | Queen's Gambit Declined, 3.Nc3 | 2 games |
| E12 | Queen's Indian defence | 2 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C00 | French defence | 2 games |
| B85 | Sicilian, Scheveningen, classical variation with ...Qc7 and ...Nc6 | 2 games |
| B66 | Sicilian, Richter-Rauzer, Rauzer attack, 7...a6 | 2 games |
| B89 | Sicilian, Sozin, 7.Be3 | 2 games |


Turkey
United Kingdom
Poland
Netherlands