Westerman, Charles
Current rating: 1435
Record: 10-15
| Grand Prix Manchester 2016 (SOI standard) | starting rating: 1443 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 495 | Harendarz, Michal (1503) | Won 2-0 | +191462 |
| 2standard | 103 | Black, Chris [ENG] (1705) | Won 2-0 | +221484 |
| 3standard | 236 | Meyer, Wage (1491) | Lost 1-2 | -181466 |
| 4standard | 482 | Andersson, Toby (1607) | Lost 0-2 | -151451 |
| 5standard | 643 | Woodrow, Ruth (1510) | Won 2-1 | +191470 |
| 6standard | 308 | Stevenson, Craig (1509) | Lost 0-2 | -171453 |
| 7standard | 446 | Hussey, Gavin (1503) | Lost 0-2 | -181435 |
| top | average opponent: 1547record: 3-4 | new rating: 1435 | ||
| Grand Prix London 2015 (ORI standard) | starting rating: 1435 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 197 | Kladiva, Milan (1527) | Lost 1-2 | -161419 |
| 2standard | 60 | Chambonnet, Damien (1446) | Won 2-0 | +181437 |
| 3standard | 450 | Onco, Federico M (1500) | Lost 0-2 | -161421 |
| 4standard | 478 | Armstrong, Sean (1450) | Won 2-0 | +181439 |
| 5standard | 357 | Kobylinski, Przemyslaw (1459) | Won 2-1 | +181457 |
| 6standard | 239 | Wild, Jimmy (1630) | Lost 1-2 | -141443 |
| top | average opponent: 1502record: 3-3 | new rating: 1443 | ||
| Grand Prix Utrecht 2015 (MM2 limited) | starting rating: 1470 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 418 | De Jong, Tim (1500) | Lost 0-2 | -171453 |
| 2sealed | 506 | Krstevski, Grigor (1484) | Lost 0-2 | -181435 |
| top | average opponent: 1492record: 0-2 | new rating: 1435 | ||
| Grand Prix Liverpool 2015 (FRF limited) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 331 | Van Koekenbeek, Benjamin (1446) | Lost 0-2 | -201500 |
| 4sealed | 449 | Cirigliano, Matteo (1811) | Lost 1-2 | -121488 |
| 5sealed | 392 | Bushell, Luke (1500) | Lost 1-2 | -181470 |
| top | average opponent: 1586record: 0-3 | new rating: 1470 | ||
| Grand Prix Manchester 2014 (Theros block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 152 | Brownsea, Emma (1500) | Won 2-0 | +181518 |
| 2block | 115 | Dunbar, Ben (1517) | Won 2-0 | +181536 |
| 3block | 10 | Merlet, Cedric (1511) | Lost 0-2 | -181518 |
| 4block | 315 | Williams, Kai (1522) | Won 2-1 | +181536 |
| 5block | 193 | Mindham, David (1536) | Lost 1-2 | -181518 |
| 6block | 293 | Maxwell, Michael (1597) | Won 2-1 | +191537 |
| 7block | 133 | Vidal, Victor (1576) | Lost 0-2 | -171520 |
| top | average opponent: 1537record: 4-3 | new rating: 1520 | ||