Costa, Natanael
Current rating: 1627
Record: 15-7-1
| Grand Prix Sao Paulo 2019 (2) (ELD standard) | starting rating: 1602 | |||
| round | table | opponent (rating) | result | Δrating |
| A1standard | 59 | Araujo, Jose Willams (1630) | Won 2-1 | +191621 |
| A2standard | 2 | Gaspar Goncalves, Rafael (1588) | Won 2-0 | +171638 |
| A3standard | 44 | Gajardo, Matias (1521) | Won 2-1 | +161654 |
| A4standard | 4 | Demetrio, Alan (1553) | Lost 0-2 | -201634 |
| A5standard | 24 | Rossello Lima, Luis Felippe (1587) | Lost 0-2 | -191615 |
| A6standard | 70 | Gusmao, Lucas (1524) | Won 2-0 | +161631 |
| A7standard | 40 | Francelino, Lygia Karla (1415) | Won 2-1 | +151646 |
| A8standard | 35 | De Freitas, Iury (1622) | Lost 1-2 | -191627 |
| average opponent: 1555record: 5-3 | new rating: 1627 | |||
| Grand Prix Sao Paulo 2009 (ARB standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 79 | Thiago Insoliti Girard, (1500) | Won 2-1 | +181518 |
| 2standard | 69 | Alexandre Rodrigues, (1518) | Won 2-0 | +181536 |
| 3standard | 55 | Dominguez, Gonzalo (1537) | Lost 0-2 | -181518 |
| 4standard | 178 | Barbosa Abib, Henrique (1500) | Won 2-1 | +181536 |
| 5standard | 141 | Beer, Jonathan Fillipe (1536) | Won 2-0 | +181554 |
| 6standard | 50 | Emilio Alejandro E Nig, (1537) | Won 0-0 | +171571 |
| 7standard | 40 | Grassato, Vitor (1555) | Lost 1-2 | -181553 |
| 8standard | 56 | Danziger, Daniel (1521) | Won 2-1 | +181571 |
| 9standard | 29 | Fonseca, Guilherme (1618) | Won 2-1 | +181589 |
| 10standard | 21 | Barciella, Francisco (1600) | Lost 1-2 | -171572 |
| 11standard | 35 | Barzola, Juan Pablo (1482) | Draw 1-1 | -21570 |
| 12standard | 33 | Horta, Lucas Alencar (1531) | Won 2-0 | +171587 |
| 13standard | 27 | Pereira, Weder (1548) | Won 2-0 | +171604 |
| 14standard | 17 | Ribeiro Rolim, Paulo (1539) | Won 2-1 | +171621 |
| 15standard | 13 | Terra, Hugo (1551) | Lost 0-2 | -191602 |
| average opponent: 1538record: 10-4-1 | new rating: 1602 | |||