| Text | |
| Event Name | Open Challengers Championship |
| Season Name | 2020 season |
| Event Type | Knockout (Draw at start) |
| Event Order | 4 |
| Handicap | No handicap |
| Special Rules - fixture is | 1 match |
| Number of boards | 16 |
| Grade Limit | 0 |
| Default Grade | 0 |
| Grades Below Default | Count as their grade |
| Platform | Chess.com |
| PGN | PGN all in 1 File | PGN Zip File with one file per game |
| Grading Code | MMOC20COC |
| Primary Grading Type | ECF Standard Online |
| Grade in brackets in match View | ECF Standard Old 3 digit |
| Sent for rating as | ECF Online Standard |
| ECF Members Only | N |
| Treasurer | ADRIAN ELWIN |
