Oleg Kortshagin
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| EST-chT | 03/23/2006 | 2218 | Estonia |
| EST-ch 1 league | ??/??/2000 | 1186 | Estonia |
| EST-ch sf | 03/06/1999 | 1255 | Estonia |
Most Played Openings as White
| ECO | Opening | Games |
| A43 | Old Benoni defence | 2 games |
| D31 | Queen's Gambit Declined, 3.Nc3 | 1 games |
| E91 | King's Indian, 6.Be2 | 1 games |
| D35 | Queen's Gambit Declined, 3...Nf6 | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B06 | Robatsch (modern) defence | 5 games |
| A44 | Old Benoni defence | 2 games |
| C28 | Vienna game | 1 games |
| C54 | Giuoco Piano | 1 games |


Estonia