Charkowicz, Robert
Current rating: 1462
Record: 3-5
| Grand Prix Oakland 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 165 | Villalobos, Carlos (1500) | Lost 0-2 | -181482 |
| 2modern | 421 | Al-Schamma, Ian (1468) | Lost 1-2 | -181464 |
| 3modern | 480 | Boiteau, Richard (1465) | Won 2-0 | +181482 |
| 4modern | 438 | Guttridge, James (1482) | Won 2-1 | +181500 |
| 5modern | 404 | Alcantara, Charles (1366) | Won 2-0 | +151515 |
| 6modern | 161 | Lewis, Alexander (1572) | Lost 1-2 | -171498 |
| 7modern | 270 | Herrera, Brian (1436) | Lost 0-2 | -191479 |
| 8modern | 271 | Huss, Malcolm (1519) | Lost 0-2 | -171462 |
| average opponent: 1476record: 3-5 | new rating: 1462 | |||