Groom, James
Current rating: 1299
Record: 12-29-3
| Grand Prix Birmingham 2018 (leg) (legacy) | starting rating: 1307 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 10 | Hooker, Tom (1612) | Won 2-1 | +241331 |
| 2legacy | 271 | Mieth, Tobias (1571) | Lost 0-2 | -141317 |
| 3legacy | 395 | Poyntz, Sam (1531) | Won 2-1 | +221339 |
| 4legacy | 234 | Martinez, Arguelles (1410) | Lost 1-2 | -171322 |
| 5legacy | 414 | Zeilstra, Jelmer (1540) | Lost 0-2 | -141308 |
| 6legacy | 438 | Anttila, Markku (1530) | Lost 0-2 | -141294 |
| 7legacy | 383 | Pan, Deng (1470) | Won 2-0 | +211315 |
| 8legacy | 296 | Neau, Pierre (1396) | Lost 0-2 | -161299 |
| top | average opponent: 1508record: 3-5 | new rating: 1299 | ||
| Grand Prix Birmingham 2017 (modern) | starting rating: 1251 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 384 | McGregor, Martin (1497) | Won 2-1 | +231274 |
| 2modern | 322 | Flips, Lionel (1520) | Lost 0-0 | -141260 |
| 3modern | 461 | Cheung, Yuer Chung (1680) | Lost 1-2 | -111249 |
| 4modern | 566 | Button, Arron (1450) | Won 2-0 | +221271 |
| 5modern | 634 | Dawson, Guy (1485) | Lost 1-2 | -141257 |
| 6modern | 545 | Connolly, Oliver (1480) | Lost 0-2 | -141243 |
| 7modern | 617 | Bumbar, Alex (1464) | Won 2-1 | +221265 |
| 8modern | 572 | Guerroury, Mehdi (1580) | Won 2-1 | +231288 |
| 9modern | 391 | Norris, Emmett (1338) | Won 2-1 | +191307 |
| top | average opponent: 1499record: 5-4 | new rating: 1307 | ||
| Grand Prix Barcelona 2017 (AER standard) | starting rating: 1291 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 152 | Matos, Bruno (1703) | Lost 0-2 | -111280 |
| 2standard | 376 | Gavilan, Michael (1548) | Lost 0-2 | -131267 |
| 3standard | 584 | Kutna, Nataliya (1462) | Lost 0-2 | -151252 |
| 4standard | 597 | Tirado Serrano, Eduard (1415) | Won 2-0 | +211273 |
| 5standard | 536 | Campanon Martin, Juanma (1472) | Lost 0-2 | -141259 |
| 6standard | 565 | Clot, Elodie (1365) | Lost 1-2 | -161243 |
| 7standard | 527 | Cayero Becerra, Julian (1437) | Won 2-0 | +211264 |
| 8standard | 475 | Gonzalez Gutierrez, Roberto (1377) | Lost 0-2 | -161248 |
| 9standard | 436 | Sanz Fernandez, Alex (1413) | Draw 1-1 | +31251 |
| top | average opponent: 1466record: 2-6-1 | new rating: 1251 | ||
| Grand Prix Madrid 2016 (KLD standard) | starting rating: 1405 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 93 | Roca, Antonio (1599) | Lost 0-2 | -151390 |
| 2standard | 384 | Kecke, Paul (1447) | Lost 0-2 | -161374 |
| 3standard | 704 | Canadell, Pau (1508) | Draw 1-1 | +21376 |
| 4standard | 680 | Carrasco Ramos, Jesus (1378) | Lost 0-2 | -181358 |
| 5standard | 681 | Stagnoli, Nicola (1427) | Lost 0-2 | -171341 |
| 6standard | 658 | Icasuriaga, Javier (1423) | Draw 1-1 | +21343 |
| 7standard | 609 | Somoza Prados, Noe (1405) | Lost 1-2 | -171326 |
| 8standard | 546 | Kaibel Val, Ignacio (1411) | Lost 0-2 | -171309 |
| 9standard | 482 | Baiao, Luis (1292) | Lost 1-2 | -181291 |
| top | average opponent: 1432record: 0-7-2 | new rating: 1291 | ||
| Grand Prix London 2015 (ORI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 597 | Martin, Eric (1414) | Lost 0-2 | -201480 |
| 2standard | 955 | Plimmer, Rosie (1480) | Lost 0-2 | -181462 |
| 3standard | 1050 | Wong, Kuo (1429) | Lost 0-2 | -181444 |
| 4standard | 1062 | Scammell, Declan J (1446) | Won 2-0 | +181462 |
| 5standard | 1014 | Berry, Rory (1465) | Won 2-1 | +181480 |
| 6standard | 900 | Dorle, Ludovic (1396) | Lost 0-2 | -201460 |
| 7standard | 686 | Manole, Ilona-Ana (1467) | Lost 0-2 | -171443 |
| 8standard | 643 | Fox, Tom (1410) | Lost 0-2 | -191424 |
| 9standard | 456 | Aronsohn, Aaron (1374) | Lost 0-2 | -191405 |
| top | average opponent: 1431record: 2-7 | new rating: 1405 | ||