Otero, Jack
Current rating: 1484
Record: 3-5
| Regional Championships Toronto 2023 Cycle 4 (pioneer) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 109 | Laporte, Gabryel (1611) | Lost 0-2 | -161484 |
| 2pioneer | 145 | Harvey, Dominic (1985) | Lost 1-2 | -101474 |
| 3pioneer | 138 | Nguyen, Lan (1669) | Lost 0-2 | -141460 |
| 4pioneer | 154 | Buchanan, Jessica (1559) | Won 2-1 | +201480 |
| 5pioneer | 124 | Braga Peres, Denys (1429) | Lost 0-2 | -191461 |
| 6pioneer | 123 | Logan, Brandon (1524) | Won 2-0 | +191480 |
| 7pioneer | 105 | Lefebvre, Will (1472) | Won 2-0 | +181498 |
| 8pioneer | 76 | Perrin, Nicholas (1713) | Lost 0-2 | -141484 |
| average opponent: 1620record: 3-5 | new rating: 1484 | |||