Tan Wei Sin
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Asia-chT | 04/09/1998 | 1336 |  Malaysia |
| Yerevan ol (Men) | 09/??/1996 | 2001 |  Armenia |
| Asia-ch | ??/??/1996 | 213 | Malaysia |
| Wch U18 | ??/??/1996 | 1921 |  Spain |
Most Played Openings as White
| ECO | Opening | Games |
| B33 | Sicilian defence | 2 games |
| B75 | Sicilian, dragon, Yugoslav attack | 1 games |
| B93 | Sicilian, Najdorf, 6.f4 | 1 games |
| C83 | Ruy Lopez, open, classical defence | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C54 | Giuoco Piano | 2 games |
| C49 | Four knights, double Ruy Lopez | 1 games |
| C68 | Ruy Lopez, exchange variation | 1 games |
| D46 | Queen's Gambit Declined semi-Slav, 6.Bd3 | 1 games |
