Roberts, Mike
Current rating: 1430
Record: 4-8
| Grand Prix London 2019 (WAR sealed) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| C1sealed | 132 | Ponza, Valerio (1566) | Lost 0-2 | -161465 |
| C2sealed | 241 | Finn, Cian (1479) | Won 2-0 | +181483 |
| C3sealed | 291 | Aslanidis, Nikolaos (1445) | Lost 0-2 | -191464 |
| C4sealed | 243 | Tocelovskis, Sergejs (1488) | Won 2-1 | +191483 |
| C5sealed | 173 | Kramm, Stefan (1450) | Lost 0-2 | -191464 |
| C6sealed | 151 | Starka, Jakub (1661) | Lost 0-2 | -141450 |
| C7sealed | 134 | Geuens, Peter (1367) | Lost 0-2 | -201430 |
| average opponent: 1494record: 2-5 | new rating: 1430 | |||
| Grand Prix Columbus 2010 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 520 | Tang, Robert (1500) | Lost 0-2 | -181482 |
| 2legacy | 625 | Reed, Jason A (1482) | Lost 1-2 | -181464 |
| 3legacy | 654 | Ryan, Steven T (1426) | Won 2-0 | +171481 |
| 4legacy | 682 | Szymula, Jason B (1481) | Won 2-0 | +181499 |
| 5legacy | 572 | Lumpford, Ryan (1489) | Lost 0-2 | -181481 |
| average opponent: 1476record: 2-3 | new rating: 1481 | |||