Nahuis, Matthew
Current rating: 1634
| Grand Prix Calgary 2019 (modern) | starting rating: 1591 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 159 | Swaims, Zane (1500) | Won 2-0 | +171608 |
| 2modern | 20 | Jones, Colin (1449) | Lost 0-2 | -211587 |
| 3modern | 372 | Brandt, Daniel (1482) | Won 2-1 | +161603 |
| 4modern | 229 | Wong, Christopher [CAN] (1506) | Lost 1-2 | -201583 |
| 5modern | 296 | Twoteeth-Soto, Joseph (1498) | Won 2-0 | +171600 |
| 6modern | 170 | Chrapko, Tad (1488) | Won 2-1 | +161616 |
| 7modern | 164 | Bellamy, Allen (1538) | Won 2-0 | +161632 |
| 8modern | 82 | Renaud, Luke (1760) | Won 2-0 | +201652 |
| 9modern | 27 | Wilkins, Chris (1634) | Lost 1-2 | -181634 |
| top | average opponent: 1539record: 6-3 | new rating: 1634 | ||
| Grand Prix Toronto 2018 (modern) | starting rating: 1558 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 502 | Stadnyk, Kevin (1520) | Won 2-1 | +171575 |
| 2modern | 271 | Fairs, Matthew (1518) | Lost 0-2 | -191556 |
| 3modern | 483 | Whyte, Sean (1501) | Won 2-0 | +171573 |
| 4modern | 196 | Chainer, Daniel (1521) | Lost 1-2 | -191554 |
| 5modern | 516 | Litvak, Shayne (1500) | Won 2-1 | +171571 |
| 6modern | 459 | Doucet, Samuel (1445) | Won 2-1 | +161587 |
| 7modern | 255 | Foster, Matthew (1569) | Won 2-0 | +171604 |
| 8modern | 92 | Allen, Garrett (1888) | Lost 0-2 | -131591 |
| top | average opponent: 1558record: 5-3 | new rating: 1591 | ||
| Grand Prix Vancouver 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 2158 | Bennett, Gavin (1804) | Won 2-0 | +231523 |
| 4modern | 2118 | Carleton-Barnes, Gabriel (1805) | Lost 0-2 | -131510 |
| 5modern | 2103 | Huang, Ian (1538) | Won 2-0 | +191529 |
| 6modern | 2079 | Lingelbach, Cody (1985) | Won 2-0 | +261555 |
| 7modern | 2068 | Haase, Eric (1544) | Won 2-0 | +171572 |
| 8modern | 2053 | Lax, Ari (2017) | Won 2-0 | +261598 |
| 9modern | 2014 | Ochoa, David (1966) | Won 2-1 | +241622 |
| 10modern | 2010 | Henderson, Steven (1542) | Lost 0-2 | -191603 |
| 11modern | 2023 | Laughlin, Pierson (1889) | Lost 0-2 | -131590 |
| 12modern | 2097 | Stump, Nicholas (1605) | Lost 1-2 | -181572 |
| 13modern | 2120 | Brueseke, Benjamin (1748) | Lost 0-2 | -141558 |
| top | average opponent: 1767record: 6-5 | new rating: 1558 | ||