Courval, Frederick
Current rating: 1590
| Grand Prix Toronto 2019 (modern) | starting rating: 1601 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 170 | Lessard, Brandon (1484) | Won 2-1 | +151616 |
| 2modern | 170 | Pileggi, Riccardo (1783) | Lost 1-2 | -151601 |
| 3modern | 471 | Scott, Jordon (1553) | Lost 0-2 | -181583 |
| 4modern | 531 | Montville, Kenneth (1432) | Won 2-1 | +151598 |
| 5modern | 321 | Schaefer, Austin (1498) | Lost 1-2 | -201578 |
| 6modern | 406 | GOHEEN, JOSH (1479) | Won 2-0 | +161594 |
| 7modern | 300 | Brain, Jeremy (1479) | Lost 0-2 | -201574 |
| 8modern | 291 | Boulet, Isaac (1476) | Won 2-0 | +161590 |
| top | average opponent: 1523record: 4-4 | new rating: 1590 | ||
| Grand Prix Toronto 2018 (modern) | starting rating: 1597 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 248 | Spencer, Brian (1595) | Lost 0-2 | -181579 |
| 4modern | 247 | McComb, Matt (1518) | Won 2-1 | +171596 |
| 5modern | 139 | Victor, Adam (1760) | Won 2-0 | +211617 |
| 6modern | 136 | Hirt, Chris (1518) | Lost 1-2 | -201597 |
| 7modern | 161 | Steffe, Sebastian (1782) | Won 2-1 | +221619 |
| 8modern | 134 | Siecker, Rob (1607) | Lost 0-2 | -181601 |
| top | average opponent: 1630record: 3-3 | new rating: 1601 | ||
| Grand Prix Montreal 2017 (AKH standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 2129 | Herbs, Nicholas (1604) | Won 2-1 | +201520 |
| 2standard | 2130 | Aubin, Maxime (1621) | Lost 0-2 | -161504 |
| 3standard | 2275 | Torrey, Dylan (1497) | Lost 0-2 | -181486 |
| 4standard | 2391 | Cordingley, Trevor (1481) | Won 2-0 | +181504 |
| 5standard | 2328 | Hyde, Malcolm (1498) | Lost 0-2 | -191485 |
| 6standard | 2302 | Berube, Gabriel (1348) | Won 2-0 | +161501 |
| 7standard | 2225 | Wielinga, William (1498) | Won 2-0 | +181519 |
| 8standard | 2203 | Magyar, Dan (1516) | Won 2-1 | +181537 |
| 9standard | 2111 | Fryer, Tom (1668) | Won 2-0 | +201557 |
| 10standard | 2136 | Neveu, Pierre Antoine (1665) | Lost 1-2 | -161541 |
| 11standard | 2105 | Mercier, Etienne (1517) | Won 2-0 | +181559 |
| 12standard | 2098 | Laflamme, Sebastien (1608) | Won 2-0 | +191578 |
| 13standard | 2065 | Bondy, Jonathan (1603) | Won 2-0 | +181596 |
| 14standard | 2037 | Dunn, Payne (1610) | Won 2-1 | +181614 |
| 15standard | 2048 | Kershaw, Matthew (1674) | Lost 1-2 | -171597 |
| top | average opponent: 1561record: 10-5 | new rating: 1597 | ||