Desbiens, Marco
Current rating: 1380
| Grand Prix Cleveland 2019 (RNA limited) | starting rating: 1401 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 95 | Byrne, Christopher (1602) | Lost 0-2 | -141387 |
| 2sealed | 382 | Swan, Jeremy (1365) | Lost 0-2 | -191368 |
| 3sealed | 549 | Keeler, Michael (1469) | Won 2-1 | +201388 |
| 4sealed | 493 | Aiello, Justin (1611) | Won 2-0 | +221410 |
| 5sealed | 385 | Hudson, Nick (1504) | Won 2-0 | +201430 |
| 6sealed | 340 | Genna, Peter (1594) | Lost 1-2 | -151415 |
| 7sealed | 311 | Lucente, Vincent (1413) | Lost 0-2 | -181397 |
| 8sealed | 254 | Crenshaw, Alan (1473) | Lost 0-2 | -171380 |
| top | average opponent: 1504record: 3-5 | new rating: 1380 | ||
| Grand Prix Montreal 2018 (GRN limited) | starting rating: 1428 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 216 | Gian, David (1585) | Lost 1-2 | -151413 |
| 2sealed | 297 | Cooperman, Cory (1482) | Lost 0-2 | -171396 |
| 3sealed | 515 | Riddell, Troy (1414) | Lost 0-2 | -181378 |
| 4sealed | 479 | Spence, Sean (1447) | Won 2-0 | +191397 |
| 5sealed | 422 | Mayville, Vanessa (1465) | Won 2-1 | +201417 |
| 6sealed | 345 | Dicaire, Dan (1562) | Lost 1-2 | -161401 |
| top | average opponent: 1492record: 2-4 | new rating: 1401 | ||
| Grand Prix Toronto 2017 (HOU limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 86 | Watson, Keith (1479) | Lost 1-2 | -181482 |
| 2sealed | 504 | Yip, Gary (1425) | Lost 1-2 | -191463 |
| 3sealed | 611 | Goncales, Thiago (1465) | Lost 1-2 | -181445 |
| 4sealed | 622 | Tayek, John (1502) | Lost 0-2 | -171428 |
| top | average opponent: 1468record: 0-4 | new rating: 1428 | ||