Brumsey, Peter
Current rating: 1397
Record: 25-34
| Grand Prix Toronto 2019 (modern) | starting rating: 1449 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 53 | Kuxmann, Cody (1500) | Lost 1-2 | -171432 |
| 2modern | 410 | Jensen, Robert (1482) | Won 2-0 | +191451 |
| 3modern | 413 | Devries, Branden (1500) | Lost 0-2 | -181433 |
| 4modern | 520 | Nemec, Jordan (1449) | Lost 1-2 | -171416 |
| 5modern | 502 | Kellas, Robert (1394) | Lost 0-2 | -191397 |
| top | average opponent: 1465record: 1-4 | new rating: 1397 | ||
| Grand Prix Vancouver 2018 (UMA limited) | starting rating: 1411 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 80 | Lui, Frank (1551) | Won 2-0 | +201431 |
| 2sealed | 44 | Gribov, Omry (1624) | Won 2-0 | +221453 |
| 3sealed | 112 | Wu, Dalton (1744) | Lost 1-2 | -131440 |
| 4sealed | 213 | Hanson, Leah (1515) | Won 2-0 | +191459 |
| 5sealed | 62 | Yu, Justin (1459) | Won 2-1 | +181477 |
| 6sealed | 103 | Kooistra, Remkes (1606) | Lost 1-2 | -151462 |
| 7sealed | 154 | Downey, Shane (1749) | Lost 0-2 | -131449 |
| top | average opponent: 1607record: 4-3 | new rating: 1449 | ||
| Grand Prix Las Vegas 2017 (limited) (AKH limited) | starting rating: 1461 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 172 | Benson, Skyler (1450) | Lost 0-2 | -181443 |
| 2sealed | 755 | Cole, Michael (1485) | Lost 1-2 | -171426 |
| 3sealed | 1058 | Parra, Jeffrey (1464) | Won 2-1 | +191445 |
| 4sealed | 943 | Bates, William (1482) | Won 2-0 | +181463 |
| 5sealed | 837 | Nishizawa, Taichi (1744) | Lost 0-2 | -131450 |
| 6sealed | 752 | Kert, Caroline (1418) | Lost 1-2 | -181432 |
| 7sealed | 729 | Howard Mullan, Virginia (1259) | Lost 0-2 | -211411 |
| top | average opponent: 1472record: 2-5 | new rating: 1411 | ||
| Grand Prix Las Vegas 2017 (legacy) (legacy) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 476 | Wade, James (1553) | Lost 0-2 | -171448 |
| 2legacy | 580 | Verbiest, Bart (1714) | Lost 0-2 | -131435 |
| 3legacy | 1070 | Pizzini, James (1370) | Won 2-0 | +171452 |
| 4legacy | 954 | Testa, David (1482) | Won 2-1 | +181470 |
| 5legacy | 789 | Marklyn, Tyler (1668) | Won 2-1 | +221492 |
| 6legacy | 120 | Boese, Travis (1752) | Lost 1-2 | -131479 |
| 7legacy | 610 | Bowden, Ian (1528) | Lost 0-2 | -181461 |
| top | average opponent: 1581record: 3-4 | new rating: 1461 | ||
| Grand Prix Vancouver 2016 (OGW limited) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 238 | Calica, Robert (1500) | Won 2-0 | +181501 |
| 2sealed | 134 | Malloff, Amanda (1518) | Lost 0-2 | -181483 |
| 3sealed | 654 | Block, Linden (1500) | Won 0-0 | +191502 |
| 4sealed | 525 | Pragnell, Mike (1455) | Lost 1-2 | -191483 |
| 5sealed | 432 | Modjeski, Andrew (1469) | Lost 0-2 | -181465 |
| top | average opponent: 1488record: 2-3 | new rating: 1465 | ||
| Grand Prix Las Vegas 2015 (2) (MM2 limited) | starting rating: 1459 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 78 | De Rouen, Beau (1469) | Lost 1-2 | -181441 |
| 3sealed | 182 | Staffel, Jonathan (1502) | Lost 0-2 | -171424 |
| 4sealed | 230 | Bishop, Jesse (1425) | Won 2-0 | +181442 |
| 5sealed | 213 | Sager, Scott (1412) | Won 2-0 | +181460 |
| 6sealed | 123 | McRowan, Edward (1505) | Won 2-0 | +191479 |
| 7sealed | 93 | Worman, Christopher (1540) | Won 2-1 | +191498 |
| 8sealed | 41 | Frady, Keane (1666) | Lost 0-2 | -151483 |
| top | average opponent: 1503record: 4-3 | new rating: 1483 | ||
| Grand Prix Montreal 2014 (BNG limited) | starting rating: 1454 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 156 | Dole, Andrew (1500) | Won 2-1 | +191473 |
| 2sealed | 156 | Murray, Aaron (1505) | Lost 0-2 | -181455 |
| 3sealed | 156 | Grondin, Alexandre (1540) | Lost 0-2 | -161439 |
| 4sealed | 156 | Tremblay, Etienne (1484) | Won 2-0 | +191458 |
| 5sealed | 156 | Bourque, Bobby (1500) | Won 2-1 | +191477 |
| 6sealed | 156 | Courtney, Daniel (1508) | Lost 0-2 | -181459 |
| top | average opponent: 1506record: 3-3 | new rating: 1459 | ||
| Grand Prix Calgary 2013 (M14 standard) | starting rating: 1489 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 27 | Allan, Dane (1500) | Lost 0-2 | -181471 |
| 4standard | 89 | Gagnon, Chris J (1481) | Lost 1-2 | -171454 |
| 5standard | 195 | Parent, James (1464) | Won 2-1 | +181472 |
| 6standard | 133 | Baker, Sam [CAN] (1485) | Lost 1-2 | -181454 |
| top | average opponent: 1482record: 1-3 | new rating: 1454 | ||
| Grand Prix Las Vegas 2013 (MMA limited) | starting rating: 1445 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 395 | Gerber, Josh (1500) | Lost 0-2 | -171428 |
| 3sealed | 295 | Blair, Robert (1501) | Won 2-0 | +191447 |
| 4sealed | 339 | Arevalo, Nick (1518) | Won 2-0 | +201467 |
| 5sealed | 159 | Parker, Alex (1538) | Lost 0-2 | -171450 |
| 6sealed | 181 | Fung, Ray (1521) | Won 2-1 | +191469 |
| 7sealed | 205 | Sellers, Josh (1539) | Lost 0-2 | -161453 |
| 8sealed | 185 | Sukenik, Sara (1433) | Won 2-0 | +171470 |
| 9sealed | 113 | Marinescu, Viorel (1526) | Won 2-1 | +191489 |
| top | average opponent: 1509record: 5-3 | new rating: 1489 | ||
| Grand Prix Vancouver 2012 (AVR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 68 | Gartner, Richard T (1500) | Lost 1-2 | -181482 |
| 2sealed | 227 | Pool, Thomas (1429) | Lost 1-2 | -191463 |
| 3sealed | 355 | Ng, Jonathan (1464) | Lost 0-2 | -181445 |
| top | average opponent: 1464record: 0-3 | new rating: 1445 | ||