Johnson, Jeffery
Current rating: 1561
Record: 22-22-1
| Grand Prix Las Vegas 2018 (limited) (DOM limited) | starting rating: 1422 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 525 | Lodes, Kyle (1454) | Won 2-0 | +181440 |
| 2sealed | 77 | Rovegno, Kevin (1554) | Won 2-0 | +201460 |
| 3sealed | 26 | Lachance, Sebastien (1521) | Won 2-0 | +191479 |
| 4sealed | 52 | Nakamura, Shuhei (1949) | Won 2-1 | +261505 |
| 5sealed | 29 | Jenkins, Tracie (1360) | Won 2-0 | +161521 |
| 6sealed | 28 | Turney, Christopher (1667) | Won 2-0 | +201541 |
| 7sealed | 23 | Huang, Ray (1920) | Won 2-1 | +251566 |
| 8sealed | 3 | Wallerstein, Robert (1855) | Won 2-1 | +231589 |
| 9sealed | 7 | Pardee, Samuel (2004) | Won 2-1 | +251614 |
| 10draft | 5001 | Young, Derek (1473) | Lost 0-2 | -201594 |
| 11draft | 5040 | Black, Samuel (2008) | Lost 0-2 | -111583 |
| 12draft | 5034 | Mediano, Diego (1704) | Won 2-0 | +201603 |
| 13draft | 5007 | Dunn, Richard (1705) | Lost 0-2 | -161587 |
| 14draft | 5007 | Yamamoto, Kentaro (2050) | Lost 1-2 | -101577 |
| 15draft | 5006 | Goetz, Adam (1710) | Lost 0-2 | -161561 |
| top | average opponent: 1729record: 10-5 | new rating: 1561 | ||
| Grand Prix Las Vegas 2018 (modern) (modern) | starting rating: 1436 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 226 | Thomas, Tyler (1558) | Draw 1-1 | +31439 |
| 2modern | 592 | Bowden, Ian (1487) | Lost 0-1 | -171422 |
| top | average opponent: 1523record: 0-1-1 | new rating: 1422 | ||
| Grand Prix Las Vegas 2015 (1) (MM2 limited) | starting rating: 1471 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 447 | Haney, Jeremy (1507) | Won 2-0 | +191490 |
| 2sealed | 150 | Martin, Shawn (1465) | Lost 1-2 | -191471 |
| 3sealed | 455 | Johnsen, Ian (1500) | Won 2-0 | +191490 |
| 4sealed | 288 | Laforge, Adam (1462) | Lost 1-2 | -191471 |
| 5sealed | 244 | Bachicha, Lane (1499) | Lost 0-2 | -171454 |
| 6sealed | 316 | Benjamin, Mason (1479) | Lost 1-2 | -181436 |
| top | average opponent: 1486record: 2-4 | new rating: 1436 | ||
| Grand Prix Denver 2015 (KTK standard) | starting rating: 1478 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 512 | Brooks, Tyler (1522) | Won 2-0 | +191497 |
| 2standard | 120 | Hopper, James (1643) | Lost 0-2 | -151482 |
| 3standard | 309 | Ericksen, Eric T (1500) | Lost 0-2 | -181464 |
| 4standard | 586 | Ross, Andrew (1482) | Lost 1-2 | -181446 |
| 5standard | 604 | Phillips, Eric (1761) | Won 2-0 | +241470 |
| 6standard | 439 | Ellington, Theo (1502) | Lost 0-2 | -181452 |
| 7standard | 380 | Johnston, Brett (1600) | Lost 0-2 | -151437 |
| 8standard | 316 | Heller, Walter (1445) | Won 2-1 | +181455 |
| 9standard | 241 | Schulte, Michael (1346) | Won 2-1 | +161471 |
| top | average opponent: 1533record: 4-5 | new rating: 1471 | ||
| Grand Prix Salt Lake City 2014 (M15 limited) | starting rating: 1478 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 21 | MacDonald, Joseph (1482) | Won 2-0 | +181496 |
| 3sealed | 36 | Thompson, Jesse (1568) | Won 2-0 | +191515 |
| 4sealed | 85 | Wu, Gavin (1436) | Lost 0-2 | -191496 |
| 5sealed | 101 | Burnside, Josh (1539) | Lost 1-2 | -171479 |
| 6sealed | 217 | Crocco, Braden (1517) | Won 2-1 | +181497 |
| 7sealed | 128 | Cenci, Matthew (1428) | Lost 0-2 | -191478 |
| top | average opponent: 1495record: 3-3 | new rating: 1478 | ||
| Grand Prix Albuquerque 2013 (THS standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 142 | Dominguez, Nick (1464) | Won 2-1 | +171517 |
| 2standard | 133 | Giannatti, Garrett (1484) | Won 2-1 | +181535 |
| 3standard | 142 | Johnson, Sean (1517) | Lost 0-2 | -191516 |
| 4standard | 258 | Beltran, Horacio (1498) | Won 2-1 | +181534 |
| 5standard | 178 | Ceballos, Stefan (1537) | Lost 0-2 | -181516 |
| 6standard | 348 | Mora, Vincent (1519) | Lost 1-2 | -181498 |
| 7standard | 334 | Dickson, Patrick (1379) | Lost 0-2 | -201478 |
| top | average opponent: 1486record: 3-4 | new rating: 1478 | ||