O'Brien, Maxwell
Current rating: 1454
Record: 11-15
| Grand Prix Brisbane 2017 (modern) | starting rating: 1487 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 26 | Yialeloglou, Dimitri (1500) | Lost 1-2 | -171470 |
| 2modern | 286 | Symonds, Ben (1482) | Won 2-0 | +181488 |
| 3modern | 300 | Muljadi, Kenny (1521) | Lost 1-2 | -171471 |
| 4modern | 392 | Belobraydich, Madeline (1484) | Lost 1-2 | -181453 |
| 5modern | 383 | Exton, James (1408) | Won 2-1 | +171470 |
| 6modern | 316 | Armstrong, Anthony (1590) | Lost 0-2 | -161454 |
| top | average opponent: 1498record: 2-4 | new rating: 1454 | ||
| Grand Prix Melbourne 2016 (modern) | starting rating: 1432 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 175 | Mcadam, Parnel (1500) | Won 2-1 | +191451 |
| 2modern | 180 | Cafarella, Isaac (1539) | Won 2-1 | +191470 |
| 3modern | 172 | Randeni, Harshana (1595) | Lost 1-2 | -151455 |
| 4modern | 134 | Lin, Leo (1516) | Lost 1-2 | -171438 |
| 5modern | 373 | Howes, Callum (1499) | Won 2-1 | +191457 |
| 6modern | 184 | Watabe, Naoto (1461) | Won 2-1 | +181475 |
| 7modern | 151 | Matthews, Tony (1669) | Lost 1-2 | -141461 |
| 8modern | 268 | Russell, Joshua (1532) | Won 2-1 | +191480 |
| 9modern | 195 | Turner, Matthew [AUS] (1549) | Won 2-1 | +191499 |
| 10modern | 125 | Sha, Chris (1632) | Won 2-1 | +201519 |
| 11modern | 78 | Radvanskiy, Kirill (1676) | Lost 1-2 | -151504 |
| 12modern | 104 | Huang, Robin (1569) | Lost 1-2 | -171487 |
| top | average opponent: 1561record: 7-5 | new rating: 1487 | ||
| Grand Prix Sydney 2015 (BFZ limited) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 257 | Golding, Jacob (1500) | Lost 1-2 | -171448 |
| 2sealed | 328 | Godfrey, Stephen (1482) | Won 2-1 | +181466 |
| 3sealed | 326 | Barron, Robert (1503) | Lost 1-2 | -171449 |
| 4sealed | 286 | Gilligan, Padraig (1481) | Lost 0-2 | -171432 |
| top | average opponent: 1492record: 1-3 | new rating: 1432 | ||
| Grand Prix Brisbane 2013 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 57 | Gianino, Arden (1500) | Lost 1-2 | -181482 |
| 2modern | 138 | Lam, Francis (1541) | Lost 1-2 | -171465 |
| 3modern | 203 | Giuffrida, Darren (1465) | Won 2-1 | +181483 |
| 4modern | 158 | Hockam, Timothy (1482) | Lost 1-2 | -181465 |
| top | average opponent: 1497record: 1-3 | new rating: 1465 | ||