Contreras, Armando
Current rating: 1542
Record: 9-7-1
| Grand Prix Sao Paulo 2019 (modern) | starting rating: 1503 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 173 | Da Rocha Pereira, Lucas (1500) | Won 2-0 | +181521 |
| 2modern | 24 | Annahas, Amir (1668) | Lost 1-2 | -151506 |
| 3modern | 327 | De Amorim Pessoa, Leonardo (1559) | Lost 0-2 | -171489 |
| 4modern | 578 | Rosseto, Matheus (1471) | Lost 1-2 | -191470 |
| 5modern | 515 | Prais, Raphael (1358) | Won 2-0 | +161486 |
| 6modern | 480 | Rossato Dreger, Raphael (1447) | Won 2-0 | +181504 |
| 7modern | 292 | Barinov, Mikhail (1572) | Won 2-1 | +191523 |
| 8modern | 237 | Francisco Da Silva, Felipe (1556) | Won 2-0 | +191542 |
| average opponent: 1516record: 5-3 | new rating: 1542 | |||
| Grand Prix Santiago 2016 (KLD standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 13 | Riquelme, Marcel (1500) | Lost 1-2 | -181482 |
| 2standard | 257 | Tonelli, Federico (1467) | Draw 1-1 | 01482 |
| 3standard | 311 | Alfonso, Ivan (1483) | Won 2-0 | +181500 |
| 4standard | 232 | Barria, Jaime (1581) | Lost 1-2 | -171483 |
| 5standard | 287 | Pellegrini, Matias (1518) | Won 2-1 | +191502 |
| 6standard | 225 | Parraga, Michael (1564) | Lost 1-2 | -171485 |
| 7standard | 265 | Maidana, Gustavo Fabian (1419) | Won 2-1 | +171502 |
| 8standard | 196 | Gaete, Francisco (1584) | Won 0-0 | +191521 |
| 9standard | 147 | Rios, Ignacio (1518) | Lost 0-2 | -181503 |
| average opponent: 1515record: 4-4-1 | new rating: 1503 | |||