Bratby, Dave
Current rating: 1420
Record: 10-19-1
| Grand Prix Birmingham 2018 (leg) (legacy) | starting rating: 1334 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 313 | Taylor, Stuart (1535) | Draw 1-1 | +31337 |
| 2legacy | 292 | Hofer, Sarah (1499) | Won 2-0 | +211358 |
| 3legacy | 277 | Vegh, Tomas (1589) | Won 2-0 | +221380 |
| 4legacy | 147 | Lucas, Mark (1710) | Won 2-0 | +241404 |
| 5legacy | 80 | Bal, Robbert (1548) | Lost 0-2 | -151389 |
| 6legacy | 175 | van Donselaar, Philip (1712) | Won 2-0 | +231412 |
| 7legacy | 109 | Abreu, Josue (1696) | Lost 1-2 | -131399 |
| 8legacy | 184 | Soper, Russell (1524) | Won 2-0 | +211420 |
| top | average opponent: 1601record: 5-2-1 | new rating: 1420 | ||
| Grand Prix Lyon 2018 (modern) | starting rating: 1337 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 466 | Libardi, Aurea (1500) | Lost 0-2 | -151322 |
| 2modern | 503 | Canali, Pierre (1704) | Lost 0-2 | -111311 |
| 3modern | 1002 | Rocher, Swan (1463) | Lost 0-0 | -151296 |
| 4modern | 805 | Pinto, Murat (1501) | Lost 1-2 | -151281 |
| 5modern | 945 | Horn, Thomas (1427) | Won 2-0 | +211302 |
| 6modern | 849 | Potheau, Adrien (1514) | Won 2-1 | +221324 |
| 7modern | 750 | Mouton, Mickael (1462) | Won 2-0 | +201344 |
| 8modern | 525 | Gruber, Ivan (1780) | Lost 0-2 | -101334 |
| top | average opponent: 1544record: 3-5 | new rating: 1334 | ||
| Grand Prix London 2018 (RIX limited) | starting rating: 1414 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 408 | Bunce, Samuel (1500) | Lost 0-2 | -171397 |
| 2sealed | 86 | Leahy, Katherine (1480) | Lost 1-2 | -161381 |
| 3sealed | 889 | Woon, Joel (1648) | Lost 0-2 | -141367 |
| 4sealed | 924 | Brooks, Sean (1617) | Lost 0-2 | -131354 |
| 5sealed | 857 | Mohamed, El Hasany (1426) | Lost 0-2 | -171337 |
| top | average opponent: 1534record: 0-5 | new rating: 1337 | ||
| Grand Prix Liverpool 2017 (XLN limited) | starting rating: 1445 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 48 | Wartski, Erez (1500) | Lost 1-2 | -171428 |
| 2sealed | 414 | Oliver-Musto, Lee (1481) | Won 2-0 | +191447 |
| 3sealed | 304 | Hora, Paulo (1526) | Lost 0-2 | -161431 |
| 4sealed | 458 | Turner, Liam (1482) | Lost 0-2 | -171414 |
| top | average opponent: 1497record: 1-3 | new rating: 1414 | ||
| Grand Prix Manchester 2016 (SOI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 191 | Nuri, Muhammad (1500) | Lost 0-2 | -181482 |
| 2standard | 475 | Allen, James [ENG] (1482) | Won 2-0 | +181500 |
| 3standard | 455 | Neale-Gunns, Joseph (1498) | Lost 1-2 | -181482 |
| 4standard | 697 | Moulton, George (1448) | Lost 0-2 | -191463 |
| 5standard | 726 | Thomas, Calum (1459) | Lost 0-2 | -181445 |
| top | average opponent: 1477record: 1-4 | new rating: 1445 | ||