Brooks, John
Current rating: 1400
Record: 15-27
| Grand Prix Detroit 2019 (M20 limited) | starting rating: 1368 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 124 | Woodward, Skye (1500) | Won 2-0 | +201388 |
| 2sealed | 136 | Ronquillo, Voltaire (1718) | Won 2-1 | +241412 |
| 3sealed | 101 | Levstek, Shawn (1582) | Lost 0-2 | -151397 |
| 4sealed | 181 | Cortez, Paulo Ricardo (1892) | Lost 1-2 | -101387 |
| 5sealed | 193 | Johnson, Alex (1754) | Won 2-0 | +251412 |
| 6sealed | 142 | Olivera, Miguel (1458) | Won 2-1 | +191431 |
| 7sealed | 111 | Abdo, Eric (1540) | Lost 0-2 | -161415 |
| 8sealed | 125 | Rigatti, Jamie (1591) | Lost 0-2 | -151400 |
| top | average opponent: 1629record: 4-4 | new rating: 1400 | ||
| Grand Prix Las Vegas 2015 (1) (MM2 limited) | starting rating: 1361 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 57 | Smith, Charles (1518) | Won 2-0 | +211382 |
| 4sealed | 74 | Davidson, Gerald (1536) | Lost 1-2 | -161366 |
| 5sealed | 65 | Levin, Eugene (1747) | Lost 1-2 | -111355 |
| 6sealed | 197 | Newcombe, Steve (1621) | Won 2-0 | +231378 |
| 7sealed | 124 | Oliver, Neal (1859) | Lost 0-2 | -101368 |
| top | average opponent: 1656record: 2-3 | new rating: 1368 | ||
| Grand Prix Louisville 2013 (THS standard) | starting rating: 1358 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 225 | Liwosz, Curtis (1518) | Lost 1-2 | -151343 |
| 4standard | 421 | Dunman, Joe (1500) | Won 2-0 | +201363 |
| 5standard | 245 | Williams, Austin (1536) | Lost 1-2 | -141349 |
| 6standard | 350 | Espejo, Jonny (1501) | Won 2-1 | +201369 |
| 7standard | 283 | Williams, Jonathan (1536) | Won 2-0 | +211390 |
| 8standard | 207 | Baeckstrom, Andrew (1645) | Lost 1-2 | -131377 |
| 9standard | 260 | Simpson, Jonathan (1477) | Lost 1-2 | -161361 |
| top | average opponent: 1530record: 3-4 | new rating: 1361 | ||
| Grand Prix Las Vegas 2013 (MMA limited) | starting rating: 1375 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 902 | Headley, Matthew (1518) | Lost 0-2 | -151360 |
| 3sealed | 699 | Burian, Robert (1500) | Lost 0-2 | -151345 |
| 4sealed | 864 | Fromm, Myc (1468) | Won 2-1 | +201365 |
| 5sealed | 724 | Jackson, Mckenzie (1478) | Lost 0-2 | -161349 |
| 6sealed | 640 | Kreiter, Josh (1476) | Won 2-1 | +201369 |
| 7sealed | 508 | Covotta, John (1437) | Won 2-0 | +191388 |
| 8sealed | 375 | Medeiros, Kevin (1557) | Lost 0-2 | -151373 |
| 9sealed | 310 | Hoffos, Mason (1499) | Lost 0-2 | -151358 |
| top | average opponent: 1492record: 3-5 | new rating: 1358 | ||
| Grand Prix Pittsburgh 2013 (GTC limited) | starting rating: 1396 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 370 | Chiarlanza, Tony (1558) | Lost 1-2 | -151381 |
| 3sealed | 318 | Chasan, Ze'Eva (1477) | Lost 1-2 | -161365 |
| 4sealed | 643 | Solak, Joey (1383) | Lost 0-2 | -181347 |
| 5sealed | 598 | Jones, Bobby (1462) | Won 2-0 | +201367 |
| 6sealed | 477 | Rodgers, Nicolas (1481) | Won 2-0 | +201387 |
| 7sealed | 364 | Evans, Jesse (1502) | Lost 0-2 | -161371 |
| 8sealed | 302 | Goodfriend, Melissa (1479) | Lost 0-2 | -161355 |
| 9sealed | 253 | Holden, Zachary (1471) | Won 2-1 | +201375 |
| top | average opponent: 1477record: 3-5 | new rating: 1375 | ||
| Grand Prix Columbus 2010 (legacy) | starting rating: 1449 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 189 | Lee, Lauren (1472) | Lost 0-2 | -181431 |
| 2legacy | 243 | Lainhart, Josh D (1434) | Lost 1-2 | -181413 |
| 3legacy | 256 | Geerah, Stefan (1465) | Lost 0-2 | -171396 |
| top | average opponent: 1457record: 0-3 | new rating: 1396 | ||
| Grand Prix Atlanta 2001 (ODY limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 56 | Linskey, Ed (1654) | Lost 1-2 | -151485 |
| 2sealed | 101 | Johnson, Brandon (1482) | Lost 0-2 | -181467 |
| 3sealed | 140 | Draxler, Jeremy (1464) | Lost 0-2 | -181449 |
| top | average opponent: 1533record: 0-3 | new rating: 1449 | ||