Mayes, Clayton
Current rating: 1362
Record: 0-8
| Grand Prix Vancouver 2012 (AVR limited) | starting rating: 1429 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 178 | McCarthy, Emmett (1518) | Lost 0-2 | -171412 |
| 3sealed | 226 | Ueda, Takaya (1464) | Lost 0-2 | -171395 |
| 4sealed | 310 | Guretzki, Robert (1484) | Lost 0-2 | -161379 |
| 5sealed | 340 | Bryant, Charles F (1411) | Lost 0-2 | -171362 |
| average opponent: 1469record: 0-4 | new rating: 1362 | |||
| Grand Prix Seattle-Tacoma 2012 (DKA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 143 | Weller-Gordon, Brian (1481) | Lost 0-2 | -181482 |
| 4sealed | 161 | Donison, Trevor (1523) | Lost 0-2 | -181464 |
| 5sealed | 353 | Wong, Manfred (1499) | Lost 1-2 | -171447 |
| 6sealed | 379 | Port, Steve (1432) | Lost 0-2 | -181429 |
| average opponent: 1484record: 0-4 | new rating: 1429 | |||