Barrett, Harpo
Current rating: 1561
Record: 21-18
| Regional Championships Sydney 2023 (pioneer) | starting rating: 1607 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 24 | Outh-Aut, Max (1500) | Lost 1-2 | -201587 |
| 2pioneer | 73 | Oks, Oliver (1735) | Lost 0-2 | -151572 |
| 3pioneer | 82 | Zhang, Qihan (1427) | Lost 0-2 | -211551 |
| 4pioneer | 78 | Young, Reginald (1447) | Won 2-1 | +171568 |
| 5pioneer | 69 | Bracken, Max (1474) | Lost 1-2 | -201548 |
| 6pioneer | 64 | Bird, Ethan (1506) | Won 2-0 | +171565 |
| 7pioneer | 55 | Kruger, Ryan (1466) | Won 2-0 | +161581 |
| 8pioneer | 45 | Gray, Oscar (1475) | Lost 1-2 | -201561 |
| top | average opponent: 1504record: 3-5 | new rating: 1561 | ||
| Regional Championships Sydney 2022 (pioneer) | starting rating: 1615 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 26 | Ratcliffe, Tim (1500) | Lost 0-1 | -201595 |
| 2pioneer | 72 | Waterson, Ittai (1487) | Won 2-0 | +161611 |
| 3pioneer | 23 | Bretherton, Dan (1660) | Lost 0-2 | -171594 |
| 4pioneer | 51 | Davison, Kate (1442) | Won 2-1 | +151609 |
| 5pioneer | 46 | Billinghurst, Michael (1731) | Won 2-0 | +201629 |
| 6pioneer | 28 | Linabury, Simon (1531) | Lost 0-2 | -201609 |
| 7pioneer | 34 | Kelderman, Torin (1504) | Lost 0-2 | -201589 |
| 8pioneer | 38 | Maher, Samuel (1579) | Won 2-1 | +181607 |
| top | average opponent: 1554record: 4-4 | new rating: 1607 | ||
| Grand Prix Brisbane 2017 (modern) | starting rating: 1470 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 265 | Lim, Shaun (1691) | Won 2-1 | +221492 |
| 2modern | 92 | Moore, Jack (1518) | Won 2-1 | +181510 |
| 3modern | 78 | Sha, Chris (1673) | Won 2-1 | +211531 |
| 4modern | 61 | Evers, Timothy (1536) | Won 2-0 | +181549 |
| 5modern | 32 | Reeves, Dusty (1610) | Won 2-1 | +191568 |
| 6modern | 24 | Lee, Anthony (1849) | Won 2-0 | +231591 |
| 7modern | 8 | Lawson, Jake (1613) | Won 2-0 | +191610 |
| 8modern | 6 | Oks, Oliver (1869) | Lost 0-2 | -141596 |
| 9modern | 16 | Kinkade, Jay (1738) | Won 2-0 | +211617 |
| 10modern | 4 | Gordon, Zachary (1557) | Lost 1-2 | -191598 |
| 11modern | 27 | Kawaguchi, Tetsu (1610) | Lost 0-2 | -181580 |
| 12modern | 45 | Sutton, Richard (1463) | Won 2-0 | +161596 |
| 13modern | 21 | Rolles, Jeff (1609) | Lost 1-2 | -181578 |
| 14modern | 46 | Middleton, Darren (1603) | Won 2-0 | +191597 |
| 15modern | 22 | Asquith, Jonathan (1613) | Won 2-1 | +181615 |
| top | average opponent: 1637record: 11-4 | new rating: 1615 | ||
| Grand Prix Sydney 2015 (BFZ limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 158 | Millar, Drennen (1500) | Won 2-1 | +181518 |
| 2sealed | 109 | Mitchell, Tama (1565) | Won 2-0 | +191537 |
| 3sealed | 104 | Williams, David W [NZL] (1553) | Lost 1-2 | -181519 |
| 4sealed | 221 | Frentz, Jeremy (1617) | Lost 1-2 | -161503 |
| 5sealed | 283 | Hearn, Michael (1563) | Lost 1-2 | -171486 |
| 6sealed | 237 | Light, Jens (1700) | Lost 0-2 | -141472 |
| 7sealed | 206 | Collins, Jack (1461) | Won 2-1 | +181490 |
| 8sealed | 158 | Gysberts, Anthony (1382) | Lost 0-2 | -201470 |
| top | average opponent: 1543record: 3-5 | new rating: 1470 | ||