Johnson, Derek 5970
Current rating: 1590
Record: 18-14
| Grand Prix Milwaukee 2018 (GRN standard) | starting rating: 1553 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 265 | Kennedy, Patrick (1499) | Lost 0-2 | -191534 |
| 2standard | 448 | Knapp, Hans (1726) | Won 2-0 | +221556 |
| 3standard | 421 | Reid, Shane (1492) | Lost 1-2 | -191537 |
| 4standard | 468 | Corneliusen, Logan (1480) | Won 2-1 | +171554 |
| 5standard | 305 | Jacot, Ethan (1489) | Won 2-0 | +161570 |
| 6standard | 204 | Leitl, Jason (1480) | Won 2-0 | +171587 |
| 7standard | 206 | Holmes, Phillip (1536) | Won 2-0 | +171604 |
| 8standard | 85 | Clawson, Brent (1825) | Lost 1-2 | -141590 |
| top | average opponent: 1566record: 5-3 | new rating: 1590 | ||
| Grand Prix Las Vegas 2017 (modern) (modern) | starting rating: 1533 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 566 | Weigman, Gary (1581) | Won 2-1 | +191552 |
| 2modern | 196 | Rasmussen, Ron (1437) | Lost 0-2 | -201532 |
| 3modern | 1161 | Hernandez, Sidney (1496) | Won 2-1 | +171549 |
| 4modern | 880 | Sullivan, Benjamin (1644) | Lost 0-2 | -161533 |
| 5modern | 1058 | Longoria, Albert (1498) | Won 2-0 | +171550 |
| 6modern | 586 | Slone, Ryan (1640) | Won 2-0 | +201570 |
| 7modern | 462 | Beldon, Omar (1711) | Lost 1-2 | -161554 |
| 8modern | 541 | Mccord, Alexander (1519) | Won 2-0 | +181572 |
| 9modern | 2127 | Dietrich, Brian (1561) | Lost 0-2 | -191553 |
| top | average opponent: 1565record: 5-4 | new rating: 1553 | ||
| Grand Prix Las Vegas 2017 (legacy) (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 79 | Kenrick, Nick (1500) | Lost 1-2 | -181482 |
| 2legacy | 766 | Thom, Ryan (1449) | Won 2-1 | +171499 |
| 3legacy | 709 | Jackman, Matthew (1501) | Won 2-0 | +181517 |
| 4legacy | 465 | Briscoe, Kenneth (1431) | Won 2-0 | +171534 |
| 5legacy | 344 | Braun-Duin, Brian (1858) | Won 2-0 | +241558 |
| 6legacy | 345 | Valentine, Joseph (1503) | Lost 0-2 | -191539 |
| 7legacy | 423 | Nguyen, David (1656) | Won 2-0 | +201559 |
| 8legacy | 251 | Herrera, Marco (1892) | Won 2-1 | +241583 |
| 9legacy | 182 | Kopp, Patrick (1783) | Lost 0-2 | -151568 |
| 10legacy | 261 | Reeves, Dusty (1650) | Lost 1-2 | -161552 |
| 11legacy | 277 | Anghelescu, Jonathan (1809) | Won 2-1 | +221574 |
| 12legacy | 252 | Stahl, Rasmus (1598) | Lost 1-2 | -171557 |
| 13legacy | 239 | Longo, Antonio Lucas (1532) | Lost 0-2 | -191538 |
| 14legacy | 221 | Taylor, Brendan (1427) | Lost 1-2 | -201518 |
| 15legacy | 210 | Niazi, Xander (1331) | Won 2-1 | +151533 |
| top | average opponent: 1595record: 8-7 | new rating: 1533 | ||