Barker, Andrew
Current rating: 1422
| Grand Prix London 2015 (ORI standard) | starting rating: 1412 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 555 | Davies, Stuart J (1500) | Won 2-1 | +201432 |
| 2standard | 629 | Williams, Aidan D (1517) | Won 2-1 | +191451 |
| 3standard | 787 | Gameiro, Kevin-Romain (1530) | Won 2-1 | +201471 |
| 4standard | 648 | Calix, Charles (1458) | Lost 1-2 | -181453 |
| 5standard | 778 | Hagelberg, Maximilian (1698) | Lost 1-2 | -141439 |
| 6standard | 852 | Poole, Rory (1478) | Lost 1-2 | -171422 |
| top | average opponent: 1530record: 3-3 | new rating: 1422 | ||
| Grand Prix Lille 2015 (legacy) | starting rating: 1426 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 415 | Mostyn, George (1443) | Lost 0-2 | -171409 |
| 2legacy | 546 | Fourrier, Hugues (1316) | Won 2-1 | +161425 |
| 3legacy | 532 | Verdonck, Timmy (1402) | Won 2-0 | +181443 |
| 4legacy | 307 | Peron, Christian (1519) | Lost 0-2 | -171426 |
| 5legacy | 364 | Desmet, Thomas (1436) | Won 2-1 | +181444 |
| 6legacy | 373 | Carnicer, Javier (1538) | Lost 1-2 | -161428 |
| 7legacy | 427 | White, Mike (1551) | Lost 0-2 | -161412 |
| top | average opponent: 1458record: 3-4 | new rating: 1412 | ||
| Grand Prix Manchester 2014 (Theros block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 204 | Williams, Taran (1500) | Draw 1-1 | 01500 |
| 2block | 348 | Horan, Joseph (1521) | Lost 1-2 | -181482 |
| 3block | 562 | Karbowski, Krzysztof (1378) | Lost 1-2 | -201462 |
| 4block | 626 | Devany, Derek Adam (1463) | Lost 0-2 | -181444 |
| 5block | 601 | Metters, Owen (1444) | Lost 0-2 | -181426 |
| top | average opponent: 1461record: 0-4-1 | new rating: 1426 | ||