Jacobs, Brian
Current rating: 1373
Record: 8-16-1
| Grand Prix Las Vegas 2013 (MMA limited) | starting rating: 1405 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1016 | Machalica, Arthur (1500) | Lost 1-2 | -171388 |
| 2sealed | 1259 | Weiss, Patrick (1509) | Lost 0-2 | -161372 |
| 3sealed | 1377 | Young, Mark (1451) | Won 2-0 | +201392 |
| 4sealed | 1310 | Fernandes, John (1357) | Lost 0-2 | -191373 |
| top | average opponent: 1454record: 1-3 | new rating: 1373 | ||
| Grand Prix San Diego 2013 (modern) | starting rating: 1454 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 97 | Beardsley, Ted (1499) | Won 2-1 | +191473 |
| 2modern | 129 | Silvestri, Joshua (1453) | Lost 0-2 | -181455 |
| 3modern | 157 | Musgrave, Joe (1500) | Lost 1-2 | -181437 |
| 4modern | 332 | Clark, Daniel (1587) | Lost 1-2 | -151422 |
| 5modern | 320 | Maes, Robert (1445) | Lost 1-2 | -171405 |
| top | average opponent: 1497record: 1-4 | new rating: 1405 | ||
| Grand Prix Salt Lake City 2012 (DKA standard) | starting rating: 1525 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 176 | Ashford, Marshall (1682) | Lost 0-2 | -151510 |
| 4standard | 299 | Jones, Bryan (1552) | Lost 0-2 | -171493 |
| 5standard | 386 | Baker, Nick (1483) | Draw 1-1 | 01493 |
| 6standard | 340 | Hall, Brian (1499) | Won 2-0 | +181511 |
| 7standard | 252 | Cecil, Tommy (1486) | Lost 0-2 | -191492 |
| 8standard | 228 | Gu, Jian (1468) | Lost 1-2 | -181474 |
| 9standard | 199 | Baciak, Brad (1373) | Lost 1-2 | -201454 |
| top | average opponent: 1506record: 1-5-1 | new rating: 1454 | ||
| Grand Prix San Diego 2011 (ISD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 106 | Lizarraga, Raziel (1500) | Won 2-1 | +181518 |
| 2sealed | 116 | Juan L., (1500) | Lost 0-2 | -181500 |
| 3sealed | 122 | Mao, Patrick (1501) | Won 2-1 | +181518 |
| 4sealed | 151 | McGown, Zen (1519) | Lost 1-2 | -181500 |
| 5sealed | 166 | Gibson, Michael A (1487) | Won 2-1 | +171517 |
| 6sealed | 105 | Davila, Daniel (1518) | Won 2-0 | +181535 |
| 7sealed | 78 | Foland, Shea (1553) | Won 2-1 | +191554 |
| 8sealed | 34 | Nass, Matthew (2009) | Lost 0-2 | -101544 |
| 9sealed | 73 | Zuniga, Michael (1531) | Lost 1-2 | -191525 |
| top | average opponent: 1569record: 5-4 | new rating: 1525 | ||