| Tournament date | Date rated | Name | Old rating | Rating |
| 2025-05-31 | 2025-06-04 | Seneca Hill Saturday Blue Green [Section 2] | 721 | 797 |
| 2025-05-17 | 2025-05-28 | Seneca Hill Saturday Blue Green [Section 2] | 647 | 721 |
| 2025-05-04 | 2025-05-06 | 2025 Ontario Chess Challenge [Grade 1] | 678 | 647 |
| 2025-04-05 | 2025-04-08 | Seneca Hill Saturday Blue Green [Section 2] | 626 | 678 |
| 2025-03-08 | 2025-03-13 | SHC OCC Qualifier 2 [Section 7] | 647 | 626 |
| 2025-03-01 | 2025-03-04 | Seneca Hill Saturday Blue Green [Section 2] | 636 | 647 |
| 2025-02-01 | 2025-02-11 | Seneca Hill Saturday Blue Green [Section 2] | 610 | 636 |
| 2024-12-07 | 2024-12-10 | Seneca Hill Saturday [Section 5] | 586 | 610 |
| 2024-11-16 | 2024-11-19 | Seneca Hill Saturday Blue Green [Section 2] | 548 | 586 |
| 2024-10-27 | 2024-10-29 | Fall Quattro [KG-Grade 1] | 578 | 548 |
| 2024-10-26 | 2024-10-29 | Seneca Hill Saturday Blue Green Pink [Section 2] | 504 | 578 |
| 2024-09-28 | 2024-10-04 | Seneca Hill Chess Saturday September [Section 2] | 541 | 504 |
| 2024-06-22 | 2024-06-27 | Seneca Hill Saturday Blue Green Pink [Section 1] | 568 | 541 |
| 2024-06-08 | 2024-06-10 | Seneca Hill Saturday Blue Green [Section 2] | 570 | 568 |
| 2024-05-04 | 2024-05-10 | Saturday Blue and Pink [Section 2] | 580 | 570 |
| 2024-04-21 | 2024-04-25 | Ontario Chess Challenge 2024 [<H3>First places takes into account playoff games played on site.</H3><br><H4>Kindergarten</H4>] | 595 | 580 |
| 2024-04-13 | 2024-04-23 | Seneca Hill Saturday [Blue Section B] | 586 | 595 |
| 2024-04-14 | 2024-04-18 | Spring 2024 Quattro Chess Tournaments [Kindergarten & Grade 1] | 548 | 586 |
| 2024-03-09 | 2024-03-13 | Seneca Hill OCC qualifier 2 [k-G1] | 548 | 548 |
| 2024-02-24 | 2024-03-01 | Seneca Hill Saturday Blue [Section 2] | 539 | 548 |
| 2023-12-09 | 2023-12-27 | Seneca Hill Saturday [Section 4] | 455 | 539 |
| 2023-11-11 | 2023-11-13 | Seneca Hill Saturday [Section 1] | 452 | 455 |
| 2023-10-29 | 2023-11-10 | Chess'n Math October 29, 2023 Fall Quattro Tournament [Kindergarten & Grade 1] | 486 | 452 |
| 2023-06-17 | 2023-06-19 | Seneca Hill Saturday [Section 4] | 456 | 486 |
| 2023-05-07 | 2023-05-08 | 2023 Canadian Chess Challenge Ontario Championships [KG] | 490 | 456 |
| 2023-04-01 | 2023-04-11 | Seneca Hill Saturday [Section 3] | 422 | 490 |
| 2023-03-26 | 2023-03-29 | 26 March 2023 Chess Tournament [KG] | 409 | 422 |
| 2023-02-26 | 2023-02-27 | 5th OCC QUALIFIER [KG] | 331 | 409 |
| 2023-02-04 | 2023-02-06 | Seneca Hill Saturday Jan [Section 3] | 326 | 331 |
| 2023-01-21 | 2023-01-24 | Seneca Hill Saturday [Section 2] | 310 | 326 |
| 2022-12-10 | 2022-12-16 | SHC OCC qualifier 1 [Section 4] | 248 | 310 |
| 2022-11-19 | 2022-11-25 | Seneca Hill Chess Saturday [Section 4] | 216 | 248 |
| 2022-10-30 | 2022-11-04 | Halloween Chess Tournament [KG-Grade 1] | 0 | 216 |
