SwissSys Standings. 2009 Markham Thornhill Chess Challenge: Grade 8
| # | Name | ID | Rtng | Rd 1 | Rd 2 | Rd 3 | Rd 4 | Rd 5 | Tot | Prize |
| 1 | David Itkin | 611976 | 1420 | W9 | W7 | W8 | W6 | D2 | 4.5 | |
| 2 | Ali Tejani | 890559 | 769 | W16 | W22 | W4 | W3 | D1 | 4.5 | |
| 3 | Simon Huang | | unr. | W19 | W5 | W11 | L2 | W10 | 4.0 | |
| 4 | Jason Qian | | unr. | W23 | W10 | L2 | W17 | W6 | 4.0 | |
| 5 | Connor Beck | | unr. | W25 | L3 | W23 | W12 | W9 | 4.0 | |
| 6 | Benjamin Caranci | 827763 | 417 | W15 | W13 | W14 | L1 | L4 | 3.0 | |
| 7 | Joshua Chan | | unr. | W24 | L1 | W16 | D13 | D14 | 3.0 | |
| 8 | Michael Maringola | | unr. | W21 | W14 | L1 | L20 | W17 | 3.0 | |
| 9 | Fady Girgis | | unr. | L1 | W24 | W22 | W11 | L5 | 3.0 | |
| 10 | James Yip-Albin | | unr. | W13 | L4 | W20 | W19 | L3 | 3.0 | |
| 11 | Joshua Wicks | | unr. | W17 | W12 | L3 | L9 | W20 | 3.0 | |
| 12 | Simon Sun | | unr. | W26 | L11 | W21 | L5 | W16 | 3.0 | |
| 13 | Peter Hess | 715612 | 462 | L10 | L6 | W18 | D7 | W21 | 2.5 | |
| 14 | Mackenzie Vicari | | unr. | W18 | L8 | L6 | W22 | D7 | 2.5 | |
| 15 | Evan Holmyard | | unr. | L6 | W25 | L17 | D21 | W24 | 2.5 | |
| 16 | Steven Palazzo | | unr. | L2 | W23 | L7 | W24 | L12 | 2.0 | |
| 17 | John MacKinnon | | unr. | L11 | W19 | W15 | L4 | L8 | 2.0 | |
| 18 | Arash Tehidi | | unr. | L14 | L20 | L13 | W23 | W25 | 2.0 | |
| 19 | Nick Dimpfel | | unr. | L3 | L17 | W25 | L10 | W22 | 2.0 | |
| 20 | Alex Decelis | | unr. | L22 | W18 | L10 | W8 | L11 | 2.0 | |
| 21 | Bernardo Cardona | | unr. | L8 | W26 | L12 | D15 | L13 | 1.5 | |
| 22 | Jason Szsepanek | | unr. | W20 | L2 | L9 | L14 | L19 | 1.0 | |
| 23 | Sebastian Pugliese | | unr. | L4 | L16 | L5 | L18 | W26 | 1.0 | |
| 24 | Amy Dew | | unr. | L7 | L9 | W26 | L16 | L15 | 1.0 | |
| 25 | Andrew Pizzuti | | unr. | L5 | L15 | L19 | D26 | L18 | 0.5 | |
| 26 | Thea Myrskog | | unr. | L12 | L21 | L24 | D25 | L23 | 0.5 | |