Mayhew, Ian
Current rating: 1366
Record: 1-9
| Grand Prix Providence 2015 (DTK standard) | starting rating: 1412 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 318 | Murgo, Domenic (1415) | Lost 0-2 | -181394 |
| 2standard | 305 | Dolan, Brian (1576) | Lost 0-2 | -151379 |
| 3standard | 481 | Vivilecchia, D. Mitchell (1466) | Lost 0-2 | -161363 |
| 4standard | 483 | Olden, Zach (1445) | Lost 1-2 | -171346 |
| 5standard | 460 | Galante, David (1433) | Won 2-0 | +201366 |
| average opponent: 1467record: 1-4 | new rating: 1366 | |||
| Grand Prix Boston-Worcester 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 1045 | Duff, Cassandra (1500) | Lost 1-2 | -181482 |
| 2modern | 1072 | Jolin, Gregory (1699) | Lost 1-2 | -141468 |
| 3modern | 1183 | Doyle, Thomas (1466) | Lost 0-2 | -181450 |
| 4modern | 1222 | Austin, Keith (1353) | Lost 0-2 | -201430 |
| 5modern | 1179 | Kelly, Shawn (1411) | Lost 1-2 | -181412 |
| average opponent: 1486record: 0-5 | new rating: 1412 | |||