Halls-Kass, Rowan
Current rating: 1580
Record: 11-9
| Regional Championships Athens 2023 (pioneer) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 9 | Gruber, Benedikt (1526) | Won 2-1 | +181499 |
| 2pioneer | 28 | Gordon-Brown, Alexander (1787) | Won 2-0 | +241523 |
| 3pioneer | 34 | Amendola, Michele (1805) | Won 2-0 | +231546 |
| 4pioneer | 3 | Korosis, Dimitris (1500) | Won 2-1 | +171563 |
| 5pioneer | 12 | Kikidis, Charalampos (1892) | Won 2-1 | +231586 |
| 6pioneer | 1 | Danninger, Manuel (1859) | Lost 0-2 | -131573 |
| 7pioneer | 5 | Leopold, Christian (1601) | Won 2-1 | +191592 |
| 8pioneer | 3 | Tlili, Luca (1600) | Won 2-1 | +181610 |
| 9pioneer | 7 | Martos, Antonio (1776) | Lost 1-2 | -151595 |
| 10pioneer | 9 | Nieke, Jonas (1935) | Won 2-1 | +241619 |
| 11pioneer | 6 | Pruchniewicz, Jan (1977) | Won 2-0 | +241643 |
| 12pioneer | 3 | Capar, Tin Mihael (1626) | Lost 0-2 | -181625 |
| 13pioneer | 11 | Calcano, Christian (1869) | Lost 0-2 | -141611 |
| 14pioneer | 20 | Juza, Martin (1851) | Lost 0-2 | -131598 |
| 15pioneer | 21 | Gruppi, Lorenzo (1600) | Lost 1-2 | -181580 |
| average opponent: 1747record: 9-6 | new rating: 1580 | |||
| Grand Prix Birmingham 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 162 | Ridley, Thomas (1500) | Lost 1-2 | -181482 |
| 2modern | 276 | Izquierdo, Joaquin (1447) | Lost 1-2 | -191463 |
| 3modern | 434 | Gates, Toby (1419) | Won 2-0 | +181481 |
| 4modern | 300 | Hunt, Marcello (1480) | Won 2-1 | +181499 |
| 5modern | 211 | Sammons, Gregory (1500) | Lost 0-2 | -181481 |
| average opponent: 1469record: 2-3 | new rating: 1481 | |||