Acosta, Marcos
Current rating: 1537
Record: 5-3
| Grand Prix Oklahoma City 2019 (ELD standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 69 | Brunt, William (1445) | Won 2-0 | +171517 |
| 2standard | 54 | Eggerton, Brad (1542) | Lost 0-2 | -181499 |
| 3standard | 93 | Messenger, Timothy (1557) | Lost 0-2 | -161483 |
| 4standard | 131 | Larkins, Jason (1459) | Won 2-1 | +171500 |
| 5standard | 100 | Van Pelt, Adam (1501) | Won 0-0 | +181518 |
| 6standard | 88 | Keifer, Clayton (1471) | Won 2-0 | +171535 |
| 7standard | 68 | Cho, Justin (1574) | Won 2-0 | +191554 |
| 8standard | 46 | Xu, Tianhao (1584) | Lost 0-2 | -171537 |
| average opponent: 1517record: 5-3 | new rating: 1537 | |||