Byrd, Jonathen
Current rating: 1289
Record: 25-44-2
| Grand Prix Atlanta 2019 (legacy) | starting rating: 1340 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 298 | Schlichting, Bill (1612) | Lost 0-2 | -131327 |
| 2legacy | 306 | Cimera, Ryan (1628) | Lost 1-2 | -131314 |
| 3legacy | 453 | Haddock, Ben (1446) | Lost 0-2 | -161298 |
| 4legacy | 478 | Hilley, Travis (1727) | Lost 0-2 | -101288 |
| 5legacy | 437 | Morton, Victor (1246) | Won 2-0 | +171305 |
| 6legacy | 369 | Gotta, Raymond (1446) | Lost 0-2 | -161289 |
| top | average opponent: 1517record: 1-5 | new rating: 1289 | ||
| Grand Prix Atlanta 2017 (XLN standard) | starting rating: 1331 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 245 | Monterrey, Paul (1604) | Won 2-1 | +231354 |
| 3standard | 37 | Engelberg, Marcio (1477) | Lost 1-2 | -161338 |
| 4standard | 207 | Batinich, Andrew (1652) | Lost 0-2 | -131325 |
| 5standard | 333 | McAuliffe, Brandon (1504) | Won 2-0 | +221347 |
| 6standard | 238 | Hullum, Shay (1521) | Lost 1-2 | -151332 |
| 7standard | 398 | McLeod, Daniel (1470) | Lost 1-2 | -161316 |
| 8standard | 392 | Vinci, William (1455) | Draw 1-1 | +31319 |
| 9standard | 358 | Nodine, Jordan (1482) | Won 2-0 | +211340 |
| top | average opponent: 1521record: 3-4-1 | new rating: 1340 | ||
| Grand Prix Washington DC 2017 (HOU standard) | starting rating: 1393 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 158 | Lemke, Michael (1537) | Won 2-0 | +201413 |
| 3standard | 208 | Cendagorta, Anthony (1509) | Lost 0-2 | -161397 |
| 4standard | 306 | Gibson, Devin (1474) | Lost 1-2 | -171380 |
| 5standard | 390 | DiMattia, Andy (1452) | Lost 0-2 | -161364 |
| 6standard | 532 | Fulmer, Michael (1518) | Lost 1-2 | -151349 |
| 7standard | 593 | Jackson, Mike (1356) | Lost 0-2 | -181331 |
| top | average opponent: 1474record: 1-5 | new rating: 1331 | ||
| Grand Prix Richmond 2017 (AKH limited) | starting rating: 1406 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 55 | Parshall, William (1620) | Won 2-0 | +221428 |
| 3sealed | 303 | DeMars, Brian (1912) | Lost 0-2 | -101418 |
| 4sealed | 476 | Keddell, Peter (1599) | Lost 0-2 | -151403 |
| 5sealed | 607 | Eck, James (1667) | Won 2-1 | +231426 |
| 6sealed | 274 | Benke, Jake (1543) | Lost 0-2 | -161410 |
| 7sealed | 454 | Shepard, Jesse (1445) | Draw 1-1 | +11411 |
| 8sealed | 444 | Kirkpatrick, Greg (1415) | Lost 0-2 | -181393 |
| top | average opponent: 1600record: 2-4-1 | new rating: 1393 | ||
| Grand Prix New Jersey 2017 (std) (AER standard) | starting rating: 1405 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 165 | Franco, David (1430) | Won 2-1 | +191424 |
| 2standard | 310 | Anaya, Carlos (1481) | Won 2-0 | +191443 |
| 3standard | 276 | Musser, Dan (1930) | Lost 1-2 | -101433 |
| 4standard | 298 | Potter, Rusty (1331) | Lost 1-2 | -201413 |
| 5standard | 525 | Robbins, Adam (1497) | Lost 1-2 | -161397 |
| 6standard | 633 | Tremblay, Sebastien (1553) | Won 2-0 | +211418 |
| 7standard | 395 | Mitchell, Benjamin (1499) | Won 2-1 | +191437 |
| 8standard | 300 | Buchholz, Evan (1623) | Lost 0-2 | -151422 |
| 9standard | 387 | Carr, George (1496) | Lost 0-2 | -161406 |
| top | average opponent: 1538record: 4-5 | new rating: 1406 | ||
| Grand Prix Louisville 2017 (legacy) | starting rating: 1445 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 559 | Baggett, James (1447) | Lost 0-2 | -181427 |
| 2legacy | 757 | Phillips, Michael (1554) | Won 2-0 | +201447 |
| 3legacy | 691 | Gray, Zachary (1537) | Won 2-0 | +201467 |
| 4legacy | 551 | Baker, Thomas (1498) | Won 2-0 | +181485 |
| 5legacy | 487 | Eckert, Joseph (1646) | Lost 1-2 | -151470 |
| 6legacy | 536 | Belfatto, Michael (1485) | Lost 1-2 | -181452 |
| 7legacy | 656 | [anonymous] | Lost 1-2 | -171435 |
| 8legacy | 746 | Cullum, Travis (1704) | Lost 0-2 | -131422 |
| 9legacy | 735 | Waller, Ozzie (1501) | Lost 1-2 | -171405 |
| top | average opponent: 1541record: 3-6 | new rating: 1405 | ||
| Grand Prix Atlanta 2016 (KLD limited) | starting rating: 1451 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 704 | Kessling, Mike (1489) | Lost 0-2 | -181433 |
| 2sealed | 1062 | Biggs, Zachariah (1482) | Won 2-0 | +191452 |
| 3sealed | 1019 | Rogers, Nick (1478) | Lost 0-2 | -171435 |
| 4sealed | 1220 | Barry, Alex (1494) | Won 2-0 | +191454 |
| 5sealed | 967 | Baker, Richie (1503) | Won 2-0 | +191473 |
| 6sealed | 789 | Slone, William (1519) | Lost 1-2 | -171456 |
| 7sealed | 952 | Pascal, Brandon (1868) | Lost 0-2 | -111445 |
| top | average opponent: 1547record: 3-4 | new rating: 1445 | ||
| Grand Prix Charlotte 2015 (modern) | starting rating: 1461 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 412 | McMillan, Tj (1573) | Won 2-1 | +201481 |
| 2modern | 284 | Lowry, Tim W (1518) | Won 2-1 | +191500 |
| 3modern | 342 | AuCoin, Ryan (1587) | Lost 1-2 | -171483 |
| 4modern | 433 | LaPlante, Jake (1522) | Lost 1-2 | -171466 |
| 5modern | 480 | Baker, Daniel (1552) | Lost 0-2 | -161450 |
| 6modern | 522 | Gutermuth, Ken (1484) | Won 2-1 | +181468 |
| 7modern | 431 | Culp, Kevin (1500) | Lost 0-2 | -171451 |
| top | average opponent: 1534record: 3-4 | new rating: 1451 | ||
| Grand Prix Richmond 2014 (modern) | starting rating: 1460 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 1011 | Bowhall, Robert (1430) | Won 2-0 | +181478 |
| 2modern | 1020 | Rolfes, Lyle (1520) | Lost 0-2 | -181460 |
| 3modern | 1427 | Burnham, Ross (1393) | Lost 1-2 | -191441 |
| 4modern | 1536 | Flora, Luke (1480) | Won 2-0 | +191460 |
| 5modern | 1486 | Crosmun, Patrick (1499) | Won 2-0 | +191479 |
| 6modern | 1355 | Remigio, Inigo (1493) | Lost 0-2 | -181461 |
| top | average opponent: 1469record: 3-3 | new rating: 1461 | ||
| Grand Prix Charlotte 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 220 | Abdulla, Lane (1451) | Won 2-1 | +171517 |
| 2sealed | 139 | Lundblad, Erik (1473) | Lost 1-2 | -191498 |
| 3sealed | 348 | Besant, Will (1485) | Won 2-0 | +181516 |
| 4sealed | 178 | Lear, Tanner (1481) | Lost 0-2 | -191497 |
| 5sealed | 284 | Roe, Bryan J (1499) | Lost 1-2 | -181479 |
| 6sealed | 330 | Gutierrez, Jesus (1414) | Lost 0-2 | -191460 |
| top | average opponent: 1467record: 2-4 | new rating: 1460 | ||