Benjamin Santoso
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| ASEAN-ch4 U12 | 12/??/2003 | 170 | Brunei Darussalam |
| South Island-ch | ??/??/1997 | 451 | Scotland |
Most Played Openings as White
| ECO | Opening | Games |
Most Played Openings as Black
| ECO | Opening | Games |
| C34 | King's gambit accepted | 1 games |
| B23 | Sicilian, closed | 1 games |
| D35 | Queen's Gambit Declined, 3...Nf6 | 1 games |
| A00 | Polish (Sokolsky) opening | 1 games |


Brunei Darussalam
Scotland