Astigarraga, Andoni
Current rating: 1536
Record: 5-3
| Grand Prix Sao Paulo 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 415 | Colodetti Filho, Carlos Fernando (1499) | Lost 0-2 | -181482 |
| 2modern | 586 | Rossato Dreger, Raphael (1482) | Won 2-1 | +181500 |
| 3modern | 412 | Ribeiro, Davi (1500) | Won 2-0 | +181518 |
| 4modern | 271 | Tavares, Luiz Felipe (1537) | Won 2-1 | +181536 |
| 5modern | 257 | De Oliveira Tavares, Tiago (1448) | Won 2-0 | +171553 |
| 6modern | 105 | Sa, Wladimir (1629) | Lost 0-2 | -171536 |
| 7modern | 221 | Paniago De Oliveira Amaral, Pedro Henrique (1537) | Lost 1-2 | -181518 |
| 8modern | 278 | Marques Nishiyama, Rafael Kenji (1521) | Won 2-0 | +181536 |
| average opponent: 1519record: 5-3 | new rating: 1536 | |||