O'Brien, Shane
Current rating: 1433
| Grand Prix Birmingham 2018 (std) (DOM standard) | starting rating: 1419 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 117 | Boden, Martin (1500) | Lost 0-2 | -161403 |
| 2standard | 378 | Gravatt, Jay (1428) | Won 2-1 | +181421 |
| 3standard | 406 | White, Paul [ENG] (1550) | Won 2-1 | +211442 |
| 4standard | 176 | Ahmed, Faraz (1520) | Won 1-0 | +191461 |
| 5standard | 126 | Tweed, Daniel (1512) | Won 2-1 | +191480 |
| 6standard | 130 | Russell, Griffin (1513) | Lost 1-2 | -171463 |
| 7standard | 246 | Deckert, Michael (1834) | Lost 0-2 | -121451 |
| 8standard | 213 | Almela Torres, Amadeo (1449) | Lost 1-2 | -181433 |
| top | average opponent: 1538record: 4-4 | new rating: 1433 | ||
| Grand Prix Birmingham 2018 (leg) (legacy) | starting rating: 1488 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 198 | Ohra-Aho, Jetro (1546) | Lost 0-2 | -171471 |
| 2legacy | 378 | Yates, Scott (1481) | Won 2-1 | +181489 |
| 3legacy | 461 | Zawada, Michal (1483) | Won 2-1 | +181507 |
| 4legacy | 185 | Carr, Richard (1573) | Lost 1-2 | -171490 |
| 5legacy | 390 | McParlinJones, Joe (1480) | Lost 0-2 | -181472 |
| 6legacy | 422 | Struzyna, Sylwester (1480) | Lost 1-2 | -181454 |
| 7legacy | 391 | Luczak, Miroslaw (1544) | Lost 1-2 | -161438 |
| 8legacy | 339 | Gustafsson, Lucas (1405) | Lost 1-2 | -191419 |
| top | average opponent: 1499record: 2-6 | new rating: 1419 | ||
| Grand Prix London 2018 (RIX limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 483 | Christopher, Tom (1486) | Won 2-0 | +181518 |
| 2sealed | 82 | Starke, Nathan (1587) | Lost 0-2 | -171501 |
| 3sealed | 627 | Heath, Alex (1705) | Lost 0-2 | -141487 |
| 4sealed | 767 | Felix Ferreira, Joao (1484) | Lost 1-2 | -181469 |
| 5sealed | 819 | Farkas, Andrej (1541) | Won 2-1 | +191488 |
| top | average opponent: 1561record: 2-3 | new rating: 1488 | ||