Toon, Brian
Current rating: 1511
Record: 15-15
| Grand Prix Cleveland 2019 (RNA limited) | starting rating: 1531 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 233 | Perry, Steven (1500) | Lost 0-2 | -181513 |
| 2sealed | 273 | Monroe, Andrew (1467) | Won 2-1 | +171530 |
| 3sealed | 340 | Grant, Matthew (1500) | Won 2-1 | +171547 |
| 4sealed | 367 | Kane, Will (1584) | Lost 1-2 | -171530 |
| 5sealed | 360 | Arko, Scott (1506) | Lost 0-2 | -191511 |
| top | average opponent: 1511record: 2-3 | new rating: 1511 | ||
| Grand Prix Las Vegas 2015 (2) (MM2 limited) | starting rating: 1471 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 50 | Ritchie, John (1525) | Lost 1-2 | -171454 |
| 2sealed | 244 | Maxey, Scott (1467) | Won 2-0 | +181472 |
| 3sealed | 164 | Kohn, Daniel (1469) | Won 2-0 | +181490 |
| 4sealed | 171 | Thacker, Daniel (1503) | Won 2-0 | +181508 |
| 5sealed | 125 | Ashworth, Jon (1492) | Lost 0-2 | -181490 |
| 6sealed | 137 | Doctor, Patrick (1465) | Won 2-0 | +181508 |
| 7sealed | 115 | Perez, Samuel (1553) | Won 2-0 | +181526 |
| 8sealed | 41 | Chang, Morgan (1756) | Won 2-0 | +221548 |
| 9sealed | 61 | Nelson, Luke (1581) | Lost 0-2 | -171531 |
| top | average opponent: 1535record: 6-3 | new rating: 1531 | ||
| Grand Prix Cleveland 2015 (FRF limited) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 102 | Mangner, Sean (1725) | Lost 1-2 | -141467 |
| 2sealed | 563 | Brown, Stanley (1482) | Won 2-0 | +191486 |
| 3sealed | 494 | Filimonow, Jamie (1417) | Won 2-1 | +161502 |
| 4sealed | 496 | Sturm, Nate (1659) | Lost 0-2 | -151487 |
| 5sealed | 630 | Latif, Mehran (1576) | Lost 1-2 | -161471 |
| top | average opponent: 1572record: 2-3 | new rating: 1471 | ||
| Grand Prix Richmond 2014 (modern) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 414 | Tiu, Timothy (1487) | Lost 1-2 | -181483 |
| 2modern | 384 | Page, Harold (1345) | Won 2-1 | +151498 |
| 3modern | 440 | Plourde, Dylan (1500) | Won 2-1 | +181516 |
| 4modern | 153 | Gildea, Robert (1536) | Lost 1-2 | -171499 |
| 5modern | 369 | Rasmussen, Ron (1521) | Lost 1-2 | -181481 |
| top | average opponent: 1478record: 2-3 | new rating: 1481 | ||
| Grand Prix Montreal 2007 (Time Spiral block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 107 | Roy, Marc-Andre (1500) | Lost 0-2 | -181482 |
| 2block | 256 | Camerino, Dario (1482) | Won 2-0 | +181500 |
| 3block | 204 | Samson-paquel, Kevin (1500) | Lost 0-2 | -181482 |
| 4block | 297 | Polis, Trevor J (1483) | Won 2-1 | +181500 |
| 5block | 200 | Posloski, Timothy (1537) | Won 2-0 | +191519 |
| 6block | 168 | Kaupp, Jake A (1538) | Lost 0-2 | -181501 |
| top | average opponent: 1507record: 3-3 | new rating: 1501 | ||