Barbosa, Andrew
Current rating: 1579
Record: 15-13
| Regional Championships Toronto 2023 (pioneer) | starting rating: 1562 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 27 | Bachan, Brady (1655) | Lost 0-2 | -161546 |
| 2pioneer | 92 | Lam, Johan (1417) | Won 2-0 | +151561 |
| 3pioneer | 70 | Marquis-Masse, Alexis (1476) | Won 2-0 | +171578 |
| 4pioneer | 26 | Maynard, Pascal (1931) | Lost 0-2 | -121566 |
| 5pioneer | 32 | Magalhaes, Edgar (1916) | Won 2-0 | +241590 |
| 6pioneer | 45 | Aitken, Alex (1534) | Won 2-0 | +171607 |
| 7pioneer | 22 | Trudel, Christian (1913) | Lost 0-2 | -121595 |
| 8pioneer | 59 | Male, Nick (1706) | Lost 0-2 | -161579 |
| top | average opponent: 1693record: 4-4 | new rating: 1579 | ||
| Regional Championships Ottawa 2023 (ONE standard) | starting rating: 1507 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 3 | Lazar, Samara (1500) | Won 2-0 | +171524 |
| 2standard | 23 | Warkentin, Nathan (1494) | Won 2-0 | +181542 |
| 3standard | 27 | Yakobina, Matthew (1542) | Won 2-1 | +181560 |
| 4standard | 2 | Critch, Jason (1479) | Lost 0-2 | -201540 |
| 5standard | 27 | He, Chun (1530) | Won 2-1 | +181558 |
| 6standard | 5 | Hayne, Alexander (1892) | Won 2-1 | +241582 |
| 7standard | 9 | Whitfield, Jesse (1615) | Won 2-1 | +191601 |
| 8standard | 6 | Zhang, Ben (1602) | Lost 0-2 | -181583 |
| 9standard | 13 | Trudel, Christian (2046) | Lost 1-2 | -101573 |
| 10standard | 21 | Bastien, Marc-Andre (1571) | Lost 1-2 | -181555 |
| 11standard | 37 | Noworaj, Andrew (1719) | Won 2-1 | +211576 |
| 12standard | 23 | Dery, Jonathan (1827) | Lost 1-2 | -141562 |
| 13standard | 26 | Malcolm, Liam (1750) | ID | 01562 |
| top | average opponent: 1659record: 7-5-1 | new rating: 1562 | ||
| Regional Championships Toronto 2022 (pioneer) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 115 | David, Julian (1493) | Lost 1-2 | -181482 |
| 2pioneer | 167 | Richard, Pascal (1443) | Lost 1-2 | -191463 |
| 3pioneer | 145 | McIntyre, Cody (1483) | Won 2-1 | +191482 |
| 4pioneer | 123 | Tharmaratnam, Samuel (1801) | Won 2-0 | +231505 |
| 5pioneer | 61 | Lieu, Kevin (1485) | Won 2-0 | +181523 |
| 6pioneer | 71 | Joyce, Adam (1608) | Won 2-0 | +191542 |
| 7pioneer | 45 | Chatel, Zack (1566) | Lost 1-2 | -171525 |
| 8pioneer | 66 | Pleau-De Montigny, Nathan (1515) | Lost 1-2 | -181507 |
| top | average opponent: 1549record: 4-4 | new rating: 1507 | ||