Harrison O'Brien
| Name | City | CFC Id | CFC Expiry | Regular Rating | Regular High | Quick Rating | Quick High | FIDE Id |
|---|---|---|---|---|---|---|---|---|
| O'Brien, Harrison | Guelph, ON | 190208 | 2025-08-04 | 1737 | 1737 | 1711 | 1734 |
| End Date | Type | Games Played | Score | Old Rating | Perf Rating | New Rating | Highest Rating | ||
|---|---|---|---|---|---|---|---|---|---|
| KWCC May Rapid | 2025-06-10 | Q | 6 | 3 | 1734 | 1634 | 1711 | 1734 | |
| 2025 Ontario Open U2000 | 2025-05-19 | R | 6 | 3 | 1710 | 1817 | 1737 | 1737 | |
| KWCC April Regular | 2025-05-13 | R | 5 | 3 | 1713 | 1699 | (1710) | (23 g) | |
| KWCC March Rapid | 2025-04-01 | Q | 6 | 4.5 | 1636 | 1826 | 1734 | 1734 | |
| KWCC February Classical 2025 | 2025-03-04 | R | 3 | 3.5 | 1659 | 1983 | (1713) | (18 g) | |
| AFM 1st Peel Region Amateur 2 | 2025-02-01 | R | 5 | 4 | 1617 | 1743 | (1659) | (15 g) | |
| Kitchener January Rapid | 2025-01-21 | Q | 4 | 3 | 1559 | 1925 | (1636) | (19 g) | |
| KWCC Winter Classical 2024 | 2024-12-03 | R | 5 | 3 | 1306 | 1415 | (1361) | (10 g) | |
| KWCC Fall Rapid 1 2024 | 2024-10-22 | Q | 6 | 4 | 1175 | 1400 | (1265) | (15 g) | |
| KWCC October Quick Swiss | 2024-10-05 | Q | 5 | 2.5 | 1012 | 1306 | (1175) | (9 g) | |
| KWCC Fall Classical 1 2024 | 2024-09-24 | R | 5 | 3 | 0 | 1306 | (1306) | (5 g) | |
| KWCC August Rapid | 2024-08-13 | Q | 4 | 2 | 0 | 1012 | (1012) | (4 g) |