Chetwood, Jack
Current rating: 1386
| Grand Prix Birmingham 2017 (modern) | starting rating: 1434 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 350 | Fisher, Simon (1500) | Lost 1-2 | -171417 |
| 2modern | 571 | Hawley, Simon (1490) | Won 0-0 | +191436 |
| 3modern | 414 | Knopf, Felix (1500) | Lost 1-2 | -171419 |
| 4modern | 619 | Almutairy, Helal (1481) | Lost 0-2 | -161403 |
| 5modern | 763 | Wekking, Yannick (1482) | Lost 0-2 | -171386 |
| top | average opponent: 1491record: 1-4 | new rating: 1386 | ||
| Grand Prix London 2016 (KLD limited) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 637 | Esser, Jan-Erik (1526) | Lost 0-2 | -171446 |
| 2sealed | 781 | Bertocchi, Lorenzo (1482) | Won 2-0 | +191465 |
| 3sealed | 726 | Chapman, David (1601) | Lost 1-2 | -161449 |
| 4sealed | 902 | Leppilahti, Lassi (1482) | Lost 0-2 | -171432 |
| 5sealed | 1019 | Eaton, Jon (1496) | Won 2-0 | +191451 |
| 6sealed | 899 | Lewis, Martyn (1495) | Lost 1-2 | -171434 |
| top | average opponent: 1513record: 2-4 | new rating: 1434 | ||
| Grand Prix Manchester 2016 (SOI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 82 | Pell, Adam (1509) | Won 2-1 | +181518 |
| 2standard | 99 | Moeremans, Mike (1501) | Lost 1-2 | -181500 |
| 3standard | 620 | Whiting, Luke (1501) | Lost 1-2 | -181482 |
| 4standard | 631 | Gunner, Michael (1431) | Lost 0-2 | -191463 |
| top | average opponent: 1486record: 1-3 | new rating: 1463 | ||