Robertson, Brian
Current rating: 1491
Record: 27-39-2
| Grand Prix Denver 2019 (M20 standard) | starting rating: 1453 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 179 | Edingfield, Alex (1645) | Lost 1-2 | -151438 |
| 2standard | 166 | Douglass, Adam (1483) | Lost 0-2 | -171421 |
| 3standard | 286 | Allen, Scott (1464) | Won 2-0 | +191440 |
| 4standard | 252 | Eng, Edwin (1775) | Won 2-1 | +241464 |
| 5standard | 186 | Fuller, Shayne (1505) | Won 2-0 | +181482 |
| 6standard | 154 | Smith, Sebastian (1493) | Won 2-0 | +181500 |
| 7standard | 111 | Boyd, Adam (1837) | Won 2-0 | +241524 |
| 8standard | 54 | Khanin, Alex (1691) | Won 2-0 | +211545 |
| 9standard | 59 | Gahagan, Kelsey (1575) | Lost 1-2 | -171528 |
| 10standard | 50 | Napper, Josh (1612) | Lost 1-2 | -171511 |
| 11standard | 62 | Lynn, Brian (1833) | Lost 1-2 | -121499 |
| 12standard | 63 | Glass, Campbell (1729) | Lost 1-2 | -141485 |
| 13standard | 65 | Porchas, Justin (1699) | Won 2-1 | +221507 |
| 14standard | 64 | Phillips, Jordan (1615) | Lost 1-2 | -161491 |
| 15standard | 63 | Ahn, Sung-Jin (1771) | ID | 01491 |
| top | average opponent: 1648record: 7-7-1 | new rating: 1491 | ||
| Grand Prix New Jersey 2018 (GRN standard) | starting rating: 1433 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 59 | Mitchell, Zane (1843) | Lost 0-2 | -111422 |
| 4standard | 326 | Walsh, James (1522) | Won 2-1 | +201442 |
| 5standard | 137 | Dilone, Rafael (1532) | Won 2-0 | +201462 |
| 6standard | 131 | Coppeta, John (1529) | Won 2-0 | +191481 |
| 7standard | 47 | Gutterman, Alexander (1607) | Lost 0-2 | -161465 |
| 8standard | 163 | Morse, Sean (1760) | Lost 1-2 | -121453 |
| top | average opponent: 1632record: 3-3 | new rating: 1453 | ||
| Grand Prix Pittsburgh 2018 (DOM standard) | starting rating: 1397 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 44 | Chen, Gregory (1855) | Won 2-1 | +261423 |
| 4standard | 11 | Kiedrowski, Dylan (1587) | Won 2-1 | +211444 |
| 5standard | 38 | Mondello, Jake (1850) | Lost 1-2 | -111433 |
| 6standard | 98 | Ashton, Thomas (1974) | Lost 0-2 | -91424 |
| 7standard | 98 | Bradley, Matthew (1552) | Won 2-1 | +201444 |
| 8standard | 95 | Cruz, Lucas (1860) | Lost 0-2 | -111433 |
| top | average opponent: 1780record: 3-3 | new rating: 1433 | ||
| Grand Prix Las Vegas 2018 (modern) (modern) | starting rating: 1416 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 222 | Khare, Anand (1897) | Won 2-1 | +261442 |
| 4modern | 56 | Guggemos, Jim (1453) | Lost 1-2 | -181424 |
| 5modern | 480 | Lipp, Scott (1984) | Lost 0-2 | -91415 |
| 6modern | 547 | Ashline, Tyson (1397) | Lost 1-2 | -181397 |
| top | average opponent: 1683record: 1-3 | new rating: 1397 | ||
| Grand Prix Hartford 2018 (modern) | starting rating: 1416 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 228 | Nines, Lance (1500) | Won 2-1 | +201436 |
| 3modern | 58 | Margolis, Max (1646) | Lost 0-2 | -151421 |
| 4modern | 357 | Gould, Andrew (1561) | Lost 0-2 | -151406 |
| 5modern | 429 | Tanner, Adam (1500) | Won 2-1 | +201426 |
| 6modern | 496 | Roth, Marcus (1686) | Lost 0-2 | -141412 |
| 7modern | 490 | Brennan, James (1500) | Lost 0-2 | -161396 |
| 8modern | 421 | Philbrick, Michael (1493) | Won 2-1 | +201416 |
| top | average opponent: 1555record: 3-4 | new rating: 1416 | ||
| Grand Prix Toronto 2018 (modern) | starting rating: 1372 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 204 | Alabiso, Aaron (1474) | Won 2-1 | +201392 |
| 2modern | 294 | Goetz, Matthew (1518) | Won 2-0 | +201412 |
| 3modern | 187 | Emond, Maxime (1463) | Won 2-0 | +191431 |
| 4modern | 132 | Morency, Ian (1677) | Draw 1-1 | +41435 |
| 5modern | 92 | Regimbald, Francis (1576) | Won 2-1 | +211456 |
| 6modern | 46 | Tharmaratnam, Samuel (1911) | Lost 1-2 | -101446 |
| 7modern | 133 | Ferrando, Matthew (1717) | Lost 1-2 | -141432 |
| 8modern | 241 | Price, Melissa (1526) | Lost 1-2 | -161416 |
| top | average opponent: 1608record: 4-3-1 | new rating: 1416 | ||
| Grand Prix Washington DC 2017 (HOU standard) | starting rating: 1336 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 422 | Ruderman, Hunter (1500) | Won 2-0 | +211357 |
| 2standard | 119 | Esquivel, Jorge (1734) | Lost 1-2 | -121345 |
| 3standard | 431 | Mok, Allen (1694) | Lost 1-2 | -121333 |
| 4standard | 562 | Adler, Ethan (1483) | Won 2-0 | +211354 |
| 5standard | 495 | VanEvery, Kevin (1715) | Lost 1-2 | -111343 |
| 6standard | 617 | Hall, Michael 2539 (1458) | Won 2-1 | +201363 |
| 7standard | 398 | Spano, Greggory (1762) | Won 2-0 | +251388 |
| 8standard | 424 | Tarenta, Mark (1515) | Lost 1-2 | -161372 |
| top | average opponent: 1607record: 4-4 | new rating: 1372 | ||
| Grand Prix Denver 2017 (HOU standard) | starting rating: 1363 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 245 | Beck, Joanne (1362) | Won 2-1 | +181381 |
| 2standard | 116 | Ryland, Justin (1500) | Draw 1-1 | +21383 |
| 3standard | 250 | Arledge, Luke (1523) | Lost 1-2 | -151368 |
| 4standard | 371 | DeLucas, Scott (1471) | Lost 1-2 | -161352 |
| 5standard | 444 | Hardy, Fredrick (1475) | Lost 0-2 | -161336 |
| top | average opponent: 1466record: 1-3-1 | new rating: 1336 | ||
| Grand Prix Denver 2016 (KLD standard) | starting rating: 1444 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 201 | Wagenfuhr, Michael (1494) | Lost 1-2 | -171427 |
| 2standard | 558 | Ohlschwager, Andrew (1759) | Lost 1-2 | -121415 |
| 3standard | 690 | Evans, Brandon (1432) | Lost 0-2 | -181397 |
| 4standard | 746 | Avila, Hector (1445) | Lost 1-2 | -171380 |
| 5standard | 711 | Glimp, Dominick (1429) | Lost 0-0 | -171363 |
| top | average opponent: 1512record: 0-5 | new rating: 1363 | ||
| Grand Prix New York 2016 (SOI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 191 | Velazquez, Kelsey (1426) | Won 2-0 | +171517 |
| 2standard | 95 | Marcinek, Paul (1518) | Lost 0-2 | -181499 |
| 3standard | 729 | Blain, Ezekiel (1469) | Lost 0-2 | -191480 |
| 4standard | 742 | Rawlings, Bryan (1483) | Lost 1-2 | -181462 |
| 5standard | 813 | Radaszkiewicz, Michael (1466) | Lost 0-2 | -181444 |
| top | average opponent: 1472record: 1-4 | new rating: 1444 | ||