Hackney, Frithjof
Current rating: 1461
Record: 11-14-2
| Grand Prix Oakland 2019 (modern) | starting rating: 1519 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 192 | Kong, Daniel (1500) | Draw 1-1 | 01519 |
| 2modern | 278 | Ahmad, Diego (1498) | Lost 0-2 | -191500 |
| 3modern | 467 | Morris, Robert (1396) | Lost 0-2 | -201480 |
| 4modern | 509 | Woodson, Connor (1425) | Lost 0-2 | -191461 |
| top | average opponent: 1455record: 0-3-1 | new rating: 1461 | ||
| Grand Prix Las Vegas 2018 (modern) (modern) | starting rating: 1510 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 216 | Chen, Alan (1500) | Draw 1-1 | -11509 |
| 2modern | 587 | Holwitz, Jesse (1499) | Won 2-1 | +181527 |
| 3modern | 534 | MacKay, Connor (1540) | Won 2-1 | +181545 |
| 4modern | 277 | Santiago, Edward (1576) | Lost 0-2 | -171528 |
| 5modern | 486 | Bowden, Ian (1526) | Won 2-1 | +181546 |
| 6modern | 321 | Rubin, Aaron (1918) | Lost 1-2 | -121534 |
| 7modern | 461 | Chen, Michael (1673) | Lost 0-2 | -151519 |
| top | average opponent: 1605record: 3-3-1 | new rating: 1519 | ||
| Grand Prix Seattle 2018 (legacy) (legacy) | starting rating: 1509 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 253 | Van Ess, Alec (1550) | Lost 0-2 | -171492 |
| 2legacy | 3011 | Wallio, Miles (1456) | Won 2-1 | +181510 |
| 3legacy | 614 | Luck, Cody (1432) | Won 2-0 | +161526 |
| 4legacy | 413 | McDougal, Chance (1419) | Lost 1-2 | -201506 |
| 5legacy | 438 | Greene, Hannah (1668) | Lost 0-2 | -151491 |
| 6legacy | 542 | Pimentel, Felipe (1537) | Won 2-1 | +191510 |
| 7legacy | 393 | Benetti, Dominic (1503) | Won 2-0 | +181528 |
| 8legacy | 337 | Roosenmaallen, Morgan (1513) | Lost 1-2 | -181510 |
| top | average opponent: 1510record: 4-4 | new rating: 1510 | ||
| Grand Prix Phoenix 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 337 | Hunter, Jakob (1500) | Won 2-0 | +181518 |
| 2modern | 247 | Gonzalez, Juan Pablo (1605) | Lost 1-2 | -161502 |
| 3modern | 361 | Beck, Justin (1625) | Lost 1-2 | -161486 |
| 4modern | 548 | Winkelpleck, Chad (1579) | Won 2-0 | +201506 |
| 5modern | 372 | Hefley, Dustin (1487) | Won 2-1 | +171523 |
| 6modern | 333 | Ballouz, Samir (1471) | Lost 0-2 | -191504 |
| 7modern | 307 | Walterman, Austin (1679) | Won 2-0 | +211525 |
| 8modern | 221 | Davila, David (1640) | Lost 1-2 | -161509 |
| top | average opponent: 1573record: 4-4 | new rating: 1509 | ||