Balcombe, Thomas
Current rating: 1411
| Grand Prix Birmingham 2018 (std) (DOM standard) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 123 | Dent, Graham (1440) | Lost 0-2 | -181428 |
| 2standard | 365 | Dyke, Colin (1395) | Won 2-0 | +181446 |
| 3standard | 480 | Knightson, John (1456) | Won 2-0 | +181464 |
| 4standard | 245 | Purvis, Marc (1620) | Lost 1-2 | -151449 |
| 5standard | 136 | Grendelmeier, Nadine (1305) | Lost 1-2 | -211428 |
| 6standard | 407 | Felix Ferreira, Joao (1516) | Lost 0-2 | -161412 |
| 7standard | 374 | Lehikoinen, Samu (1382) | Won 2-0 | +171429 |
| 8standard | 312 | Kreutz, Stefan (1448) | Lost 1-2 | -181411 |
| top | average opponent: 1445record: 3-5 | new rating: 1411 | ||
| Grand Prix London 2016 (KLD limited) | starting rating: 1489 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 675 | Long, Max (1500) | Won 2-1 | +181507 |
| 2sealed | 336 | Massicard, Yann (1791) | Lost 0-2 | -131494 |
| 3sealed | 964 | Kuisma, Matti (1876) | Lost 0-2 | -111483 |
| 4sealed | 1071 | Chrobot, Aleksander (1449) | Lost 0-2 | -191464 |
| 5sealed | 1085 | Van de Steen, Glenn (1472) | Lost 1-2 | -181446 |
| 6sealed | 1010 | Wilcox, Saul (1426) | Won 2-0 | +181464 |
| 7sealed | 874 | Minchev, Zdravko (1474) | Lost 0-2 | -181446 |
| top | average opponent: 1570record: 2-5 | new rating: 1446 | ||
| Grand Prix London 2015 (ORI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 337 | Edstrom, Anton (1504) | Won 2-0 | +181518 |
| 2standard | 25 | Rausch, Oliver (1880) | Lost 1-2 | -121506 |
| 3standard | 315 | Easton, Steve (1572) | Lost 0-2 | -161490 |
| 4standard | 427 | Phillips, Richard M (1482) | Won 2-1 | +171507 |
| 5standard | 332 | Smith, Kieran M (1504) | Lost 0-2 | -181489 |
| 6standard | 377 | Leedham, James E (1482) | Won 2-1 | +181507 |
| 7standard | 286 | Armitstead, Julian (1511) | Lost 1-2 | -181489 |
| 8standard | 245 | Ireland, Peter (1481) | Lost 0-2 | -181471 |
| 9standard | 218 | Jake, Markus (1462) | Won 2-0 | +181489 |
| top | average opponent: 1542record: 4-5 | new rating: 1489 | ||