Jacobson, Pedro
Current rating: 1516
Record: 4-4
| Regional Championships Sao Paulo 2023 (ONE standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 40 | Fialho, Joao (1598) | Lost 0-2 | -161484 |
| 2standard | 46 | Gaspar Goncalves, Rafael (1544) | Lost 1-2 | -171467 |
| 3standard | 63 | Zborowski, Felipe Augusto (1603) | Won 2-1 | +201487 |
| 4standard | 54 | Lima Hofer, Joao Pedro (1556) | Won 2-1 | +201507 |
| 5standard | 32 | dos Santos Vieira, Eduardo (2015) | Lost 1-2 | -101497 |
| 6standard | 33 | Laraia, Andre (1507) | Won 2-0 | +181515 |
| 7standard | 42 | Mansueto Pereira, Pedro Henrique (1549) | Won 2-0 | +191534 |
| 8standard | 45 | Paes, Joao (1539) | Lost 1-2 | -181516 |
| average opponent: 1614record: 4-4 | new rating: 1516 | |||