Powell-Davis, Mathew
Current rating: 1577
Record: 15-11-1
| Grand Prix London 2019 (WAR sealed) | starting rating: 1563 | |||
| round | table | opponent (rating) | result | Δrating |
| C1sealed | 146 | Lamser, Tomas (1495) | Lost 1-2 | -201543 |
| C2sealed | 310 | Machlowski, Tomasz (1486) | Won 2-0 | +171560 |
| C3sealed | 246 | Gonzalez Garcia, Diego Jesus (1324) | Won 2-1 | +141574 |
| C4sealed | 98 | Van Holsbeeck, Kristof (1517) | Won 2-1 | +171591 |
| C5sealed | 68 | Chan, Jason (1833) | Lost 1-2 | -141577 |
| top | average opponent: 1531record: 3-2 | new rating: 1577 | ||
| Grand Prix Birmingham 2018 (std) (DOM standard) | starting rating: 1497 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 339 | Morris, Ashley (1486) | Won 2-0 | +181515 |
| 3standard | 355 | Drake, Erik (1531) | Won 2-1 | +181533 |
| 4standard | 335 | Walker, Ben (1721) | Won 2-0 | +211554 |
| 5standard | 152 | Kubica, Mathieu (1557) | Won 2-1 | +181572 |
| 6standard | 55 | Allingham, James (1748) | Lost 0-2 | -141558 |
| 7standard | 187 | Madden, Stephen (1782) | Won 2-1 | +221580 |
| 8standard | 118 | Colomei, Rares-Glad (1626) | Lost 0-2 | -171563 |
| top | average opponent: 1636record: 5-2 | new rating: 1563 | ||
| Grand Prix London 2018 (RIX limited) | starting rating: 1498 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 556 | Hawkins, Conor (1462) | Won 2-0 | +181516 |
| 2sealed | 274 | Zapata, Ricardo (1480) | Lost 0-2 | -191497 |
| 3sealed | 771 | Hughes, Dominic (1498) | Won 2-0 | +181515 |
| 4sealed | 616 | Richel, Frenk (1522) | Lost 1-2 | -181497 |
| 5sealed | 523 | Gudnason, Halldor Orn (1496) | Lost 1-2 | -181479 |
| 6sealed | 646 | Rajapaksha Yapa, Ruwanga (1431) | Won 2-1 | +171496 |
| 7sealed | 558 | Hitz, Manuel (1443) | Won 2-1 | +171513 |
| 8sealed | 368 | Mudde, Quinten (1598) | Lost 1-2 | -161497 |
| top | average opponent: 1491record: 4-4 | new rating: 1497 | ||
| Grand Prix Liverpool 2017 (XLN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 268 | Quas-Cohen, Andrew (1500) | Lost 0-2 | -181482 |
| 2sealed | 467 | Wolanin, Wojciech (1428) | Draw 1-1 | -11481 |
| 3sealed | 501 | Ford, Lucas (1507) | Lost 1-2 | -181463 |
| 4sealed | 536 | York, Melanie (1404) | Won 2-1 | +171480 |
| 5sealed | 456 | Kalise, Dante (1530) | Won 2-0 | +191499 |
| 6sealed | 359 | Leahy, Daisy (1450) | Won 2-0 | +171516 |
| 7sealed | 259 | Murrell, Daniel (1517) | Lost 0-2 | -181498 |
| top | average opponent: 1477record: 3-3-1 | new rating: 1498 | ||