Klahr, Juan
Current rating: 1491
| Grand Prix Toronto 2019 (modern) | starting rating: 1512 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 351 | McCabe, Liam (1500) | Lost 1-2 | -181494 |
| 2modern | 428 | Lavigne, Jacob (1482) | Lost 0-2 | -181476 |
| 3modern | 557 | Ross, Patrick (1463) | Won 2-1 | +171493 |
| 4modern | 513 | White, Spencer (1355) | Won 2-0 | +161509 |
| 5modern | 353 | Lang, Gwen (1523) | Lost 1-2 | -181491 |
| top | average opponent: 1465record: 2-3 | new rating: 1491 | ||
| Grand Prix Toronto 2018 (modern) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 501 | Williams, Richard (1464) | Won 2-0 | +181501 |
| 2modern | 368 | Wright, Patrick (1565) | Lost 1-2 | -171484 |
| 3modern | 574 | Koo, Eugene (1597) | Lost 0-2 | -161468 |
| 4modern | 658 | Routledge, Andrew (1619) | Won 2-0 | +211489 |
| 5modern | 557 | Wrenn, Adam (1484) | Won 2-1 | +181507 |
| 6modern | 309 | McAlpin, John-Francis (1664) | Won 2-1 | +201527 |
| 7modern | 242 | Christi, Pierce (1541) | Won 2-1 | +191546 |
| 8modern | 183 | Marcos, Paulo (1555) | Won 2-0 | +181564 |
| 9modern | 66 | Hutchinson-Chee, Aidan (1578) | Lost 1-2 | -181546 |
| 10modern | 138 | Hanlon, Grant (1521) | Lost 0-2 | -181528 |
| 11modern | 143 | Beldon, Omar (1661) | Lost 1-2 | -161512 |
| top | average opponent: 1568record: 6-5 | new rating: 1512 | ||
| Grand Prix Toronto 2017 (HOU limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 321 | Lehne, Bret (1425) | Lost 1-2 | -191481 |
| 2sealed | 539 | Marsman, Aaron (1483) | Won 2-1 | +181499 |
| 3sealed | 457 | Bathurst, Scott (1477) | Lost 1-2 | -191480 |
| 4sealed | 478 | Venn, Mike (1488) | Won 2-1 | +181498 |
| 5sealed | 409 | Hebert, Mark (1418) | Won 2-1 | +171515 |
| 6sealed | 335 | Barkon, Daniel (1652) | Lost 0-2 | -161499 |
| 7sealed | 375 | Farmer, Aiden (1585) | Lost 0-2 | -161483 |
| top | average opponent: 1504record: 3-4 | new rating: 1483 | ||