Tolson, Robert
Current rating: 1410
Record: 13-21-1
| Grand Prix Las Vegas 2017 (modern) (modern) | starting rating: 1376 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 366 | Burch, Jacob (1783) | Won 2-1 | +251401 |
| 4modern | 389 | Bracken, Nicholas (1616) | Won 2-1 | +221423 |
| 5modern | 144 | Glenn, Brian (1523) | Lost 0-2 | -161407 |
| 6modern | 257 | Tse, Felix (2083) | Lost 0-2 | -71400 |
| 7modern | 363 | O'Connor, Jacob (1509) | Won 2-0 | +201420 |
| 8modern | 184 | Tai, Ben Yan Hao (1576) | Lost 1-2 | -161404 |
| 9modern | 539 | Weiss, Lee (1540) | Won 2-1 | +211425 |
| 10modern | 449 | Cullerton, Evan (1482) | Won 2-0 | +191444 |
| 11modern | 268 | Meyer, Benjamin (1733) | Lost 0-2 | -131431 |
| 12modern | 349 | Ulanov, Denis (1732) | Lost 1-2 | -131418 |
| 13modern | 333 | Zhang, Jonathan (1427) | Won 2-0 | +191437 |
| 14modern | 253 | Stern, Jon (1862) | Lost 0-2 | -111426 |
| 15modern | 258 | Watts, Justin (1529) | Lost 0-2 | -161410 |
| top | average opponent: 1646record: 6-7 | new rating: 1410 | ||
| Grand Prix Los Angeles 2016 (modern) | starting rating: 1425 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 84 | Pina-Lira, Esteban (1386) | Lost 0-2 | -181407 |
| 2modern | 776 | Tan, Rowena (1438) | Won 2-1 | +181425 |
| 3modern | 599 | Shroff, Marcus (1558) | Lost 1-2 | -151410 |
| 4modern | 767 | Mousseau, Tyler (1483) | Lost 1-2 | -171393 |
| 5modern | 1002 | Lee, Tyler (1461) | Lost 0-2 | -171376 |
| top | average opponent: 1465record: 1-4 | new rating: 1376 | ||
| Grand Prix Las Vegas 2015 (2) (MM2 limited) | starting rating: 1444 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 382 | Yee, Colin (1500) | Won 2-1 | +191463 |
| 2sealed | 241 | Holmstedt, Rolf (1334) | Lost 1-2 | -211442 |
| 3sealed | 482 | Hofland, Aaron (1429) | Draw 1-1 | 01442 |
| 4sealed | 375 | Abrons, Emily (1501) | Lost 0-2 | -171425 |
| top | average opponent: 1441record: 1-2-1 | new rating: 1425 | ||
| Grand Prix Los Angeles 2014 (KTK standard) | starting rating: 1517 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 317 | French, Quinn (1500) | Lost 0-2 | -181499 |
| 2standard | 614 | Corse, Michael (1482) | Lost 1-2 | -191480 |
| 3standard | 786 | Larsen, Luke (1464) | Lost 0-2 | -181462 |
| 4standard | 789 | Naff-Rhymer, Charlie (1446) | Lost 0-2 | -181444 |
| top | average opponent: 1473record: 0-4 | new rating: 1444 | ||
| Grand Prix Anaheim 2012 (Innistrad block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 149 | Bell, Shaun (1500) | Won 2-0 | +181518 |
| 2block | 74 | Ferguson, Bryan (1518) | Lost 1-2 | -181500 |
| 3block | 332 | Foster, John (1506) | Lost 1-2 | -181482 |
| 4block | 377 | Tran, Uy (1482) | Lost 0-2 | -181464 |
| 5block | 400 | Silva, Aldo (1462) | Won 2-1 | +181482 |
| 6block | 344 | Sims, Jamal (1480) | Lost 1-2 | -181464 |
| 7block | 293 | Tefft, Caleb (1445) | Won 2-0 | +181482 |
| 8block | 236 | Gallardo, Tony (1479) | Won 2-1 | +181500 |
| 9block | 197 | Nakamura, Gary (1464) | Won 2-0 | +171517 |
| top | average opponent: 1482record: 5-4 | new rating: 1517 | ||