Barnes, Grayson
Current rating: 1514
Record: 12-13
| Grand Prix Oakland 2019 (modern) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 266 | Vinn, Mike (1500) | Won 2-0 | +181502 |
| 2modern | 140 | Balagot, Stefan (1573) | Won 2-1 | +191521 |
| 3modern | 11 | Tsujikawa, Taiga (1941) | Lost 0-2 | -111510 |
| 4modern | 335 | Lopez, Daniel (1524) | Won 2-1 | +191529 |
| 5modern | 126 | Pace, Stanley (1574) | Won 2-0 | +181547 |
| 6modern | 59 | Porchas, Justin (1750) | Lost 1-2 | -141533 |
| 7modern | 175 | Donnelly, Neal (1489) | Lost 1-2 | -191514 |
| top | average opponent: 1622record: 4-3 | new rating: 1514 | ||
| Grand Prix Las Vegas 2018 (modern) (modern) | starting rating: 1455 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 652 | Ramirez, Jose 297 (1500) | Won 2-1 | +191474 |
| 2modern | 68 | Adelstein, Matthew (1554) | Lost 1-2 | -171457 |
| 3modern | 738 | Cadena, Domingo (1500) | Won 2-1 | +191476 |
| 4modern | 514 | Donnelly, Kathleen (1465) | Won 2-0 | +181494 |
| 5modern | 147 | Griswold, Lucas (1506) | Lost 1-2 | -181476 |
| 6modern | 531 | Armstrong, Sean (1562) | Won 2-1 | +201496 |
| 7modern | 1324 | Wentao, Qi (1828) | Lost 1-2 | -121484 |
| top | average opponent: 1559record: 4-3 | new rating: 1484 | ||
| Grand Prix Phoenix 2018 (modern) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 147 | Lonski, Joseph (1539) | Won 2-0 | +191504 |
| 2modern | 51 | Browning, Ian (1479) | Lost 0-2 | -191485 |
| 3modern | 517 | Walton, Caleb (1485) | Lost 1-2 | -181467 |
| 4modern | 441 | Kastner, Donald (1787) | Lost 1-2 | -121455 |
| top | average opponent: 1573record: 1-3 | new rating: 1455 | ||
| Grand Prix Las Vegas 2017 (modern) (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 488 | Derosa, Dominick (1500) | Won 2-0 | +181518 |
| 2modern | 247 | Turensky, Benjamin (1518) | Lost 0-2 | -181500 |
| 3modern | 1285 | Burden, Grant (1499) | Lost 0-2 | -181482 |
| 4modern | 1125 | Nicosia, Conrad (1481) | Won 2-1 | +181500 |
| 5modern | 1065 | Li, Jack (1643) | Lost 0-2 | -151485 |
| 6modern | 1048 | Landes, Adam (1440) | Won 2-0 | +171502 |
| 7modern | 878 | Mohr, Charles (1567) | Lost 1-2 | -171485 |
| top | average opponent: 1521record: 3-4 | new rating: 1485 | ||