INFO
| Competition Name | OCBL Open League |
| Game Time CEST/EDT | 21:30 / 15:30 |
| Date | 30th March 2021 - 16th May 2021 |
| Format | 2/3/4 Groups of 10 Open teams |
| Boards | Qualification: 15 rounds x 20 boards (9 Round Robin + 6 Swiss) |
| K.O. phase: Quarter, Semi, Final 24+24 boards each | |
| Venue | BBO |
| Organizers | OCBL |
| Referee | OCBLTD, OCBLTD1, OCBLTD2, OCBLTD3, OCBLTD4 |
ENTRIES
| NAME | ||
| Players | ||
| NAME | ||
| Players | ||
RESULTS
| Date | ||
| Time CEST/EDT | Match | |
| 30th of March 2021 | ||
| OCBL Open League | 21:30/15:30 | RR 1 |
| Qualification Round Robin | ||
| 1st of April 2021 | ||
| OCBL Open League | 21:30/15:30 | RR 2 |
| Qualification Round Robin | ||
| 4th of April 2021 | ||
| OCBL Open League | 21:30/15:30 | RR 3 |
| Qualification Round Robin | ||
| 6th of April 2021 | ||
| OCBL Open League | 21:30/15:30 | RR 4 |
| Qualification Round Robin | ||
| 8th of April 2021 | ||
| OCBL Open League | 21:30/15:30 | RR 5 |
| Qualification Round Robin | ||
| 11th of April 2021 | ||
| OCBL Open League | 21:30/15:30 | RR 6 |
| Qualification Round Robin | ||
| 13th of April 2021 | ||
| OCBL Open League | 21:30/15:30 | RR 7 |
| Qualification Round Robin | ||
| 15th of April 2021 | ||
| OCBL Open League | 21:30/15:30 | RR 8 |
| Qualification Round Robin | ||
| 18th of April 2021 | ||
| OCBL Open League | 21:30/15:30 | RR 9 |
| Qualification Round Robin | ||
| 20th of April 2021 | ||
| OCBL Open League | 21:30/15:30 | Swiss R1 |
| Qualification Swiss A/B | ||
| 22nd of April 2021 | ||
| OCBL Open League | 21:30/15:30 | Swiss R2 |
| Qualification Swiss A/B | ||
| 25th of April 2021 | ||
| OCBL Open League | 21:30/15:30 | Swiss R3 |
| Qualification Swiss A/B | ||
| 27th of April 2021 | ||
| OCBL Open League | 21:30/15:30 | Swiss R4 |
| Qualification Swiss A/B | ||
| 29th of April 2021 | ||
| OCBL Open League | 21:30/15:30 | Swiss R5 |
| Qualification Swiss A/B | ||
| 2nd of May 2021 | ||
| OCBL Open League | 21:30/15:30 | Swiss R6 |
| Qualification Swiss A/B | ||
| 4th of May 2021 | ||
| OCBL Open League | 21:30/15:30 | Quarterfinal R1 |
| K.O. | ||
| 6th of May 2021 | ||
| OCBL Open League | 21:30/15:30 | Quarterfinal R2 |
| K.O. | ||
| 9th of May 2021 | ||
| OCBL Open League | 21:30/15:30 | Semifinal R1 |
| K.O. | ||
| 11th of May 2021 | ||
| OCBL Open League | 21:30/15:30 | Semifinal R2 |
| K.O. | ||
| 13th of May 2021 | ||
| OCBL Open League | 21:30/15:30 | Final R1 |
| K.O. | ||
| 16th of May 2021 | ||
| OCBL Open League | 21:30/15:30 | Final R2 |
| K.O. | ||