Johnson, Jeff
Current rating: 1550
Record: 49-48-1
| Grand Prix Atlanta 2019 (legacy) | starting rating: 1534 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 122 | Russell, John (1500) | Lost 1-2 | -191515 |
| 2legacy | 329 | Cagle, Russell (1512) | Won 2-0 | +181533 |
| 3legacy | 278 | Smathers, Matthew (1420) | Draw 1-1 | -21531 |
| 4legacy | 328 | Russell, Tania (1696) | Won 2-0 | +211552 |
| 5legacy | 222 | Heskett, Jarrod (1598) | Won 2-0 | +191571 |
| 6legacy | 138 | Hickle, James (1533) | Lost 1-2 | -191552 |
| 7legacy | 219 | Smigielski, AJ (1346) | Won 2-0 | +151567 |
| 8legacy | 156 | Zureick-Brown, David (1628) | Lost 1-2 | -171550 |
| top | average opponent: 1529record: 4-3-1 | new rating: 1550 | ||
| Grand Prix Dallas-Fort Worth 2019 (modern) | starting rating: 1560 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 224 | Cardoso, Lucas (1500) | Lost 1-2 | -191541 |
| 2modern | 384 | Boyde, Nick (1387) | Won 2-0 | +151556 |
| 3modern | 274 | Matchniff, Alexander (1466) | Won 2-0 | +171573 |
| 4modern | 319 | Wyatt, Richard (1499) | Lost 1-2 | -201553 |
| 5modern | 350 | Gurule, Kyle (1471) | Lost 1-2 | -191534 |
| top | average opponent: 1465record: 2-3 | new rating: 1534 | ||
| Grand Prix Niagara Falls 2019 (legacy) | starting rating: 1567 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 108 | Furry, Zachery (1481) | Won 2-0 | +161583 |
| 2legacy | 121 | Papinchak, John (1500) | Lost 1-2 | -191564 |
| 3legacy | 263 | Zhang, Boyang (1623) | Lost 0-2 | -171547 |
| 4legacy | 409 | Roberts, Joel (1500) | Won 2-0 | +171564 |
| 5legacy | 263 | Bink, Adam (1546) | Lost 1-2 | -181546 |
| 6legacy | 326 | Cullerton, Evan (1566) | Won 2-1 | +181564 |
| 7legacy | 238 | Fields, Larry (1457) | Lost 1-2 | -201544 |
| 8legacy | 242 | Thomas, Sterling (1451) | Won 2-0 | +161560 |
| top | average opponent: 1516record: 4-4 | new rating: 1560 | ||
| Grand Prix Orlando 2018 (M19 standard) | starting rating: 1448 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 266 | Sesit, Brad (1687) | Won 2-1 | +231471 |
| 2standard | 202 | Donahue, Paul (1518) | Won 2-1 | +181489 |
| 3standard | 184 | Ruiz, Matthew (1515) | Lost 0-2 | -171472 |
| 4standard | 210 | Wilson, Joshua (1502) | Won 2-0 | +191491 |
| 5standard | 67 | Dreblow, Caroline (1521) | Won 2-0 | +181509 |
| 6standard | 74 | Wade, Justin (1640) | Lost 1-2 | -161493 |
| 7standard | 184 | Pejic, Pavo (1344) | Won 2-0 | +161509 |
| 8standard | 146 | Del Mazo, Mario (1518) | Won 2-1 | +181527 |
| 9standard | 89 | Jardin, Joshua (1570) | Won 2-0 | +191546 |
| 10standard | 40 | Burgess, Jacob (1603) | Won 2-1 | +191565 |
| 11standard | 24 | Birrell, Ian (1975) | Won 2-1 | +251590 |
| 12standard | 17 | Tilsen, Patrick (1742) | Won 2-0 | +211611 |
| 13standard | 8 | McAlexander, Chris (1628) | Lost 0-2 | -181593 |
| 14standard | 14 | Machado, Fernando (1817) | Lost 0-2 | -141579 |
| 15standard | 38 | Wescoe, Craig (1908) | Lost 1-2 | -121567 |
| top | average opponent: 1632record: 10-5 | new rating: 1567 | ||
| Grand Prix Sacramento 2018 (M19 limited) | starting rating: 1479 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 43 | Elliott, Cody (1538) | Lost 1-2 | -171462 |
| 2sealed | 478 | Conmy, Thomas (1404) | Won 2-0 | +171479 |
| 3sealed | 355 | Layton, David (1465) | Won 2-1 | +181497 |
| 4sealed | 231 | Betts, Jonathan (1717) | Lost 0-2 | -141483 |
| 5sealed | 300 | Gluck, David (1505) | Lost 0-2 | -181465 |
| 6sealed | 403 | Tobin, David (1533) | Lost 0-2 | -171448 |
| top | average opponent: 1527record: 2-4 | new rating: 1448 | ||
| Grand Prix Orlando 2017 (AER limited) | starting rating: 1507 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 793 | Weltback, Jonathan (1519) | Won 2-1 | +181525 |
| 3sealed | 827 | Peacock, Connor (1536) | Won 2-0 | +181543 |
| 4sealed | 686 | Berrios, Stephen (1841) | Lost 1-2 | -121531 |
| 5sealed | 792 | Gallichet, Mike (1717) | Lost 1-2 | -151516 |
| 6sealed | 625 | Gupta, Kanak (1524) | Lost 1-2 | -181498 |
| 7sealed | 904 | Lohman, Jacob (1514) | Won 2-1 | +181516 |
| 8sealed | 819 | Carlton, Robert (1527) | Lost 1-2 | -171499 |
| 9sealed | 845 | Shipman, Stephen (1409) | Lost 0-2 | -201479 |
| top | average opponent: 1573record: 3-5 | new rating: 1479 | ||
| Grand Prix Miami 2015 (FRF standard) | starting rating: 1455 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 234 | Nadim, Hazem (1518) | Lost 0-2 | -161439 |
| 3standard | 315 | Lloyd, Mark (1500) | Won 2-0 | +191458 |
| 4standard | 387 | Saito, Tomoharu (1914) | Lost 0-2 | -111447 |
| 5standard | 406 | Salas, Nicholas (1417) | Won 2-0 | +181465 |
| 6standard | 328 | Bedford, Tyler (1622) | Lost 0-2 | -151450 |
| 7standard | 337 | Sanchez, Harry (1500) | Won 2-0 | +191469 |
| 8standard | 246 | Bueno, Alex (1541) | Won 2-1 | +191488 |
| 9standard | 179 | Sturman, Benjamin (1539) | Won 2-0 | +191507 |
| top | average opponent: 1569record: 5-3 | new rating: 1507 | ||
| Grand Prix Orlando 2014 (KTK limited) | starting rating: 1527 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 397 | Solorzano, Michaelle (1612) | Lost 0-2 | -161511 |
| 3sealed | 378 | Hirezi, Manuel (1501) | Lost 0-2 | -181493 |
| 4sealed | 383 | Karam, Philip (1484) | Won 0-0 | +181511 |
| 5sealed | 247 | Johnson, Jeff R (1486) | Won 2-0 | +171528 |
| 6sealed | 163 | Dwyer, Hillary (1596) | Lost 1-2 | -171511 |
| 7sealed | 226 | Sheppard, Josh (1466) | Lost 1-2 | -181493 |
| 8sealed | 175 | Cordova, Hector (1484) | Lost 1-2 | -191474 |
| 9sealed | 134 | Mirfin, David (1424) | Lost 1-2 | -191455 |
| top | average opponent: 1507record: 2-6 | new rating: 1455 | ||
| Grand Prix Miami 2013 (DGM standard) | starting rating: 1527 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 56 | Connor, Andrew (1598) | Lost 1-2 | -171510 |
| 3standard | 232 | Christy, David (1499) | Won 2-0 | +181528 |
| 4standard | 286 | Foens, John E (1518) | Lost 0-2 | -181510 |
| 5standard | 353 | Hill, Cary (1500) | Won 2-1 | +181528 |
| 6standard | 321 | Bonilla, Luis (1558) | Won 2-1 | +181546 |
| 7standard | 199 | Sims, Christopher (1537) | Won 2-0 | +181564 |
| 8standard | 85 | Lopez, Mike (1538) | Lost 1-2 | -181546 |
| 9standard | 171 | Carr, Nathan (1533) | Lost 0-2 | -191527 |
| top | average opponent: 1535record: 4-4 | new rating: 1527 | ||
| Grand Prix Charlotte 2013 (GTC limited) | starting rating: 1514 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 681 | Vaccarello, Andrew (1500) | Lost 0-2 | -181496 |
| 2sealed | 1190 | Lamb, William J (1367) | Won 2-0 | +161512 |
| 3sealed | 989 | Raines, Cory L (1500) | Lost 0-2 | -191493 |
| 4sealed | 1160 | Olson, Lance (1504) | Won 2-0 | +191512 |
| 5sealed | 1078 | MacDonald, Asher (1498) | Won 2-0 | +171529 |
| 6sealed | 964 | Kielly-Burke, Kass (1436) | Lost 1-2 | -191510 |
| 7sealed | 926 | Reha, David (1499) | Lost 1-2 | -191491 |
| 8sealed | 521 | Tatley, Leah (1479) | Won 2-0 | +181509 |
| 9sealed | 473 | Armel, Jamie (1497) | Won 2-0 | +181527 |
| top | average opponent: 1476record: 5-4 | new rating: 1527 | ||
| Grand Prix Milwaukee 2002 (TOR standard) | starting rating: 1519 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 25 | Sy, Manchester (1446) | Won 2-1 | +171536 |
| 2standard | 5 | Nelson, Sam (1482) | Lost 0-2 | -191517 |
| 3standard | 126 | Sundberg, Scott (1500) | Won 2-0 | +181535 |
| 4standard | 113 | Nudelman, Joe (1519) | Lost 1-2 | -191516 |
| 5standard | 163 | Van Heesch, Peter (1500) | Lost 0-2 | -181498 |
| 6standard | 186 | Flick, Michael (1483) | Won 2-0 | +181516 |
| 7standard | 158 | Payne, Mark (1434) | Won 2-1 | +161532 |
| 8standard | 104 | Baron, Bob (1520) | Lost 1-2 | -181514 |
| top | average opponent: 1486record: 4-4 | new rating: 1514 | ||
| Grand Prix Minneapolis 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 72 | Bromen, Paul (1500) | Lost 1-2 | -181482 |
| 2block | 121 | Johansen, Murray (1482) | Won 2-0 | +181500 |
| 3block | 139 | Neilson, Chris (1500) | Won 2-0 | +181518 |
| 4block | 114 | McKenna, Steve (1518) | Won 2-1 | +181536 |
| 5block | 63 | De La Cerda, Gabriel (1536) | Won 2-1 | +181554 |
| 6block | 40 | Stark, Ben S (1627) | Lost 1-2 | -171537 |
| 7block | 39 | Sokalofsky, Chris (1536) | Lost 0-2 | -181519 |
| top | average opponent: 1528record: 4-3 | new rating: 1519 | ||