Koen Schlangen
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Twente Young Master op-B | 08/06/2007 | 1679 | Netherlands |
| Geldrop Grote Bos 7th | 01/20/2007 | 874 | Netherlands |
| Hengelo U14 op | 08/??/2005 | 1394 | Netherlands |
| Hengelo U12 op | 08/??/2004 | 0 | Netherlands |
Most Played Openings as White
| ECO | Opening | Games |
| A00 | Polish (Sokolsky) opening | 4 games |
| C44 | King's pawn game | 2 games |
| B34 | Sicilian, accelerated fianchetto, exchange variation | 1 games |
| B18 | Caro-Kann, classical variation | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| A00 | Polish (Sokolsky) opening | 3 games |
| C66 | Ruy Lopez, Berlin defence, 4.O-O, d6 | 2 games |
| E62 | King's Indian, fianchetto variation | 1 games |
| E61 | King's Indian defence, 3.Nc3 | 1 games |


Netherlands