DeBruin, Garrett
Current rating: 1509
Record: 15-16
| Grand Prix Calgary 2019 (modern) | starting rating: 1548 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 136 | Yaremko, Jordan (1518) | Won 2-0 | +181566 |
| 3modern | 65 | Chu, Vincent (1509) | Won 2-1 | +171583 |
| 4modern | 5 | Lee, Simon [CAN] (1609) | Lost 0-2 | -181565 |
| 5modern | 175 | Mamic, Camron (1536) | Lost 1-2 | -191546 |
| 6modern | 250 | Jones, Devin (1515) | Lost 1-2 | -181528 |
| 7modern | 209 | Dymock, Craig (1500) | Lost 0-2 | -191509 |
| top | average opponent: 1531record: 2-4 | new rating: 1509 | ||
| Grand Prix Los Angeles 2019 (modern) | starting rating: 1517 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 40 | Franklin, Lance (1620) | Won 2-1 | +201537 |
| 3modern | 282 | Szylman, Dariusz (1712) | Lost 1-2 | -151522 |
| 4modern | 421 | Gentile, Craig (1519) | Won 2-1 | +181540 |
| 5modern | 221 | Wong, Alex (1548) | Lost 0-2 | -181522 |
| 6modern | 434 | Vanzant, Jason (1558) | Won 2-0 | +191541 |
| 7modern | 176 | Chamberlain, Ben (1649) | Won 2-0 | +201561 |
| 8modern | 87 | Nielsen, Simon (1843) | Lost 1-2 | -131548 |
| top | average opponent: 1636record: 4-3 | new rating: 1548 | ||
| Grand Prix Las Vegas 2018 (modern) (modern) | starting rating: 1535 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 264 | Wheeler, Levi (1559) | Lost 0-2 | -181517 |
| top | record: 0-1 | new rating: 1517 | ||
| Grand Prix Toronto 2018 (modern) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 492 | Brideau, Isabelle (1445) | Won 2-1 | +171498 |
| 2modern | 302 | Vantrigt, Matt (1517) | Won 2-1 | +181516 |
| 3modern | 138 | Blum, Tyler (1879) | Won 2-0 | +251541 |
| 4modern | 116 | Keung, Caleb (1797) | Won 2-1 | +221563 |
| 5modern | 84 | Jessup, Andrew (1831) | Lost 0-2 | -131550 |
| 6modern | 197 | Wernette-Leff, Leonard (1567) | Won 2-0 | +181568 |
| 7modern | 25 | Spencer, Brian (1638) | Lost 1-2 | -161552 |
| 8modern | 216 | Alarie, Sebastien (1621) | Lost 0-2 | -171535 |
| top | average opponent: 1662record: 5-3 | new rating: 1535 | ||
| Grand Prix Vancouver 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 2099 | Kushnirak, Jasper (1342) | Lost 0-2 | -211479 |
| 2modern | 2511 | Varah, James (1419) | Won 2-0 | +171496 |
| 3modern | 2591 | Nguyen, Charlie (1671) | Lost 0-2 | -151481 |
| 4modern | 2517 | Coyston, Brad (1475) | Won 2-1 | +181499 |
| 5modern | 2503 | Dang, Nam (1469) | Lost 1-2 | -181481 |
| 6modern | 2572 | Streeton, Matthew (1437) | Won 2-1 | +171498 |
| 7modern | 2423 | Buenaventura, Jerome (1499) | Won 2-1 | +181516 |
| 8modern | 2341 | Young, Jacob (1558) | Lost 0-2 | -171499 |
| 9modern | 2331 | McCreath, Iain (1507) | Lost 0-2 | -181481 |
| top | average opponent: 1487record: 4-5 | new rating: 1481 | ||