Barnes, Justin
Current rating: 1425
Record: 14-22-2
| Grand Prix Portland 2019 (ELD standard) | starting rating: 1400 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 6 | Williams-Francis, Garrett (1500) | Won 2-0 | +201420 |
| 2standard | 69 | Cairns, Jordan (1778) | Lost 0-2 | -121408 |
| 3standard | 169 | Gianatassio, Dominic (1477) | Won 0-0 | +201428 |
| 4standard | 80 | McDowell, Rory (1609) | Won 2-1 | +211449 |
| 5standard | 52 | Rockenbach, Bryan (1835) | Lost 0-2 | -111438 |
| 6standard | 150 | Sifford, Andrew (1471) | Won 2-1 | +181456 |
| 7standard | 55 | Burt, Rodney (1519) | Lost 1-2 | -171439 |
| 8standard | 121 | Harrison, Luke (1632) | Lost 0-2 | -141425 |
| top | average opponent: 1603record: 4-4 | new rating: 1425 | ||
| Grand Prix Seattle 2019 (MH1 limited) | starting rating: 1443 | |||
| round | table | opponent (rating) | result | Δrating |
| A1sealed | 418 | Hecker, Shawn (1515) | Draw 1-1 | +11444 |
| A2sealed | 504 | Brillante, Rachel (1489) | Won 2-0 | +191463 |
| A3sealed | 218 | Rosenberg, Sam (1521) | Lost 0-2 | -171446 |
| A4sealed | 316 | Gilks, Greg (1677) | Lost 0-2 | -141432 |
| B1sealed | 463 | Vilaysane, Sakounna (1502) | Lost 1-2 | -171415 |
| B2sealed | 632 | Simmons, Nick (1447) | Won 2-0 | +191434 |
| B3sealed | 298 | Butler, Heathe (1504) | Lost 1-2 | -171417 |
| B4sealed | 426 | Haynes, Derek (1483) | Lost 1-2 | -171400 |
| top | average opponent: 1517record: 2-5-1 | new rating: 1400 | ||
| Grand Prix Portland 2018 (modern) | starting rating: 1476 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 583 | Laursen, Mike (1564) | Lost 0-2 | -161460 |
| 2modern | 663 | Gaitonde, Gaurav (1547) | Lost 1-2 | -171443 |
| 3modern | 850 | Daley, William (1463) | Lost 0-2 | -171426 |
| 4modern | 834 | Reid, Cory (1374) | Won 2-1 | +171443 |
| top | average opponent: 1487record: 1-3 | new rating: 1443 | ||
| Grand Prix Seattle 2018 (standard) (RIX standard) | starting rating: 1490 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 290 | Oliver, Neal (1967) | Won 2-0 | +261516 |
| 4standard | 24 | Yasooka, Shota (2072) | Lost 1-2 | -91507 |
| 5standard | 116 | Rockwell, Michael (1559) | Lost 0-2 | -171490 |
| 6standard | 366 | Niday, Lucas (1707) | Lost 0-2 | -141476 |
| 7standard | 381 | Anselmo, Daniel (1454) | Won 2-0 | +171493 |
| 8standard | 267 | Cornfield, Ethan (1533) | Lost 0-2 | -171476 |
| top | average opponent: 1715record: 2-4 | new rating: 1476 | ||
| Grand Prix Portland 2017 (XLN standard) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 304 | Cardwell, Kyle (1500) | Draw 1-1 | +11447 |
| 2standard | 427 | Annsa, Craig (1521) | Won 2-1 | +201467 |
| 3standard | 303 | McIntire, Brandon (1467) | Lost 1-2 | -181449 |
| 4standard | 496 | Durkee, John (1501) | Won 2-0 | +191468 |
| 5standard | 331 | Raus, Will (1509) | Lost 1-2 | -171451 |
| 6standard | 465 | Davis, Trevin (1501) | Won 2-0 | +181469 |
| 7standard | 337 | Feuerstein, John (1609) | Lost 1-2 | -151454 |
| 8standard | 410 | Korompis, Rudolph (1498) | Won 2-0 | +191473 |
| 9standard | 316 | Bailey, Alice (1416) | Won 2-0 | +171490 |
| top | average opponent: 1502record: 5-3-1 | new rating: 1490 | ||
| Grand Prix San Antonio 2014 (KTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 141 | Chada, Evan (1563) | Lost 1-2 | -171483 |
| 2standard | 318 | Herrera, Derek (1448) | Lost 0-2 | -181465 |
| 3standard | 556 | Kalkne, Stephe (1463) | Lost 1-2 | -191446 |
| top | average opponent: 1491record: 0-3 | new rating: 1446 | ||