INFO
| Competition Name | OCBL Mixed League |
| Game Time CET/EST | 17:00 / 11:00 |
| Date | 9th January 2021 - 21st February 2021 |
| Format | Swiss |
| Boards | Qualification: 10 rounds x 20 boards (Swiss) |
| K.O. phase: Quarter & Semi 16+16, Final 24+24 boards | |
| Venue | BBO |
| Organizers | OCBL |
| Referee | OCBLTD, OCBLTD1, OCBLTD2, OCBLTD3, OCBLTD4 |
ENTRIES
| NAME | ||
| Players | ||
 | Edmonds J. (jodi e) | Wooldridge J. (firechief) |
| Weekend Warriors | Grue J. (joegrue) | Miniter G. (gillian) |
| Zur Campanile M. (migry) | Rosenthal A. (andrewr) | |
| Donner G. (GDonnerSC1) | Rimstedt S. (sandria) | |
| Alpert C. (Clairee2) | Molson, J. ( janicem) |
| Alpert | Hoyos C. ( charlie111) | Versace A. (nevaio) |
| Fruscoloni L. (frusco) | Pramotton E. (Manu76) | |
 | Root S. (AsNuttyAs) | Harris J. (Jdache) |
| Harris | Gold M. (marusab) | Gross S. (sgross) |
| Tiholov T. (polborta) | ||
| Cole M. (mtc146) | Bianchedi A. (alecuque) |
| Cole | Koeppel L. (lgkoeppel) | Tokay M. (tokay1975) |
| Dobrescu R. (ralooka) | Greenberg T. (ted greenb) | |
| Potter C. (ohceep) | Dwyer K. (kdwyer) |
| Potter | Huang S. (precisebri) | Rimstedt C. (CillaR) |
| Cullin P.O. (pocken) | Michielsen M. (lady007) | |
 | Sugiharto (sugi) | Nurkunyil A. (nurkunyil) |
| Sugi | Kelvin N. (smoz) | Peihua L. (peihua |
| Elwindra (gabrialsew) | Andy Leo (andyleo) | |
| Kuan-Hsuan Chen (qq0628) | ||
| Bauer T. (Marintlc) | Ekinci O. (ekinci) |
| Sleepless in Seattle | Eng K. (keng777) | Sieg E. (Vilgan) |
| NAME | ||
| Players | ||
| Hawkes J. (locushawk) | Rahtjen A. (sweetsouth) |
| Puzzles | Niederman D. (MrKnight) | Malaspina P. (greeleygrl) |
| Parker C. (CMP56) | Rubenstein S. (StewR) |
| Robinson | Robinson L. (saba) | Grossack A. (nevereast) |
| Grossack Z. (germs345) | Tebha A. (AnamTebha) | |
| Lee R. (rogerclee) | Moss S. (sylvie) |
| Carmichael | Carmichael J. (moonbeam42) | Carmichael T. (TomC) |
| Donn J. (jdonn) | Winestock S. (sheri) | |
| Ivatury U. (uday) | Henner C. (christal) | |
| Tuncok C. (ctuncok) | Fehrenbach S. (bignana1) |
| Medium Rare | Chan L. (lapt) | Baskan B. (baskanb) |
| Salhon R. (limini) | Culbertson S. (stephannie | |
 | Setton H. (Ldase) | Bessis T. (malpaluche) |
| Pace e Salute | Franceschetti P. (gewd) | Baroni I. (princi) |
 | Baldysz Z. (zofiumb) | Eggeling M. (marabelle) |
| Munich | Gotard T. (Tomi2) | Grünke P. (thetaker) |
| Schneider M. (docms) | Smykalla G. (karo72003) | |
 | Kang-Wei Fan (firebolt) | Po-Ya Tsai (Mummy43) |
| Fan | Ho-Yee So (Qriousbaby) | Li-Jen Chen (Mrsigma) |
| Hor-yung Koo (Charmian) | Kwok-fai Mak (Kfmak) | |
| Pui-Yi Chan (Pearly04) | Pik-Kin Lau (Hellotony) | |
RESULTS
| Date | ||
| Time CET/EST | Match | |
| 9th of January 2021 | ||
| OCBL Mixed League | 17:00/11:00 | Swiss R1 |
| Qualification Swiss | ||
| 10th of January 2021 | ||
| OCBL Mixed League | 17:00/11:00 | Swiss R2 |
| Qualification Swiss | ||
| 16th of January 2021 | ||
| OCBL Mixed League | 17:00/11:00 | Swiss R3 |
| Qualification Swiss | ||
| 17th of January 2021 | ||
| OCBL Mixed League | 17:00/11:00 | Swiss R4 |
| Qualification Swiss | ||
| 23rd of January 2021 | ||
| OCBL Mixed League | 17:00/11:00 | Swiss R5 |
| Qualification Swiss | ||
| 24th of January 2021 | ||
| OCBL Mixed League | 17:00/11:00 | Swiss R6 |
| Qualification Swiss | ||
| 30th of January 2021 | ||
| OCBL Mixed League | 17:00/11:00 | Swiss R7 |
| Qualification Swiss | ||
| 31st of January 2021 | ||
| OCBL Mixed League | 17:00/11:00 | Swiss R8 |
| Qualification Swiss | ||
| 6th of February 2021 | ||
| OCBL Mixed League | 17:00/11:00 | Swiss R9 |
| Qualification Swiss | ||
| 7th of February 2021 | ||
| OCBL Mixed League | 17:00/11:00 | Swiss R10 |
| Qualification Swiss | ||
| 13th of February 2021 | ||
| OCBL Mixed League | 16:00/10:00 | Quarterfinal R1 |
| K.O. | 18:30/12:30 | Quarterfinal R2 |
| 14th of February 2021 | ||
| OCBL Mixed League | 16:00/10:00 | Semifinal R1 |
| K.O. | 18:30/12:30 | Semifinal R2 |
| 20th of February 2021 | ||
| OCBL Mixed League | 17:00/11:00 | Final R1 |
| K.O. | ||
| 21st of February 2021 | ||
| OCBL Mixed League | 17:00/11:00 | Final R2 |
| K.O. | ||