Gaona, Roberto
Current rating: 1481
Record: 18-21
| Grand Prix Sao Paulo 2019 (modern) | starting rating: 1458 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 133 | Filidis, Guilherme (1518) | Won 2-0 | +191477 |
| 3modern | 206 | Sousa, Igor (1468) | Won 2-0 | +181495 |
| 4modern | 60 | Hoffman Macedo, Vitor (1503) | Won 2-0 | +181513 |
| 5modern | 46 | De Souza Leite Segura, Paulo Sergio (1604) | Lost 0-2 | -161497 |
| 6modern | 38 | Dias Correia, Felipe (1543) | Lost 1-2 | -171480 |
| 7modern | 259 | Monteiro, Fabiano (1538) | Lost 0-2 | -171463 |
| 8modern | 217 | Gomez, Fabian (1467) | Won 2-0 | +181481 |
| top | average opponent: 1520record: 4-3 | new rating: 1481 | ||
| Grand Prix Sao Paulo 2018 (modern) | starting rating: 1437 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 328 | Coelho De Olivveira Filho, Gladistone (1518) | Lost 0-2 | -161421 |
| 3modern | 616 | Rodrigues Almeida, Eduardo (1465) | Won 2-0 | +181439 |
| 4modern | 597 | Lyra, Gustavo (1522) | Won 2-0 | +201459 |
| 5modern | 492 | Dure, Marco (1504) | Won 2-0 | +191478 |
| 6modern | 58 | Lacerda, Stanley (1579) | Won 2-1 | +201498 |
| 7modern | 27 | Sant'Anna, Jorgemi (1536) | Won 2-1 | +181516 |
| 8modern | 26 | dos Santos, Ederson Luis (1511) | Won 2-0 | +181534 |
| 9modern | 15 | Ancelmo, Fabio (1785) | Lost 1-2 | -131521 |
| 10modern | 23 | Tanabe, Rafael (1594) | Lost 0-2 | -171504 |
| 11modern | 88 | De La Fuente, Francisco (1604) | Lost 0-2 | -161488 |
| 12modern | 83 | Magno, Felipe (1546) | Lost 0-2 | -171471 |
| 13modern | 101 | Martins Gomes, Leandro (1781) | Lost 0-2 | -131458 |
| top | average opponent: 1579record: 6-6 | new rating: 1458 | ||
| Grand Prix Santiago 2017 (AKH standard) | starting rating: 1448 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 61 | Rodriguez Villasuso, Ignacio (1556) | Won 2-0 | +201468 |
| 2standard | 9 | Catalan, Danilo (1569) | Lost 0-2 | -161452 |
| 3standard | 261 | Barria, Jaime (1601) | Won 2-0 | +201472 |
| 4standard | 139 | Nunez Fernandez, Rodrigo Antonio (1447) | Lost 0-2 | -181454 |
| 5standard | 216 | Morales, Ricardo (1387) | Lost 0-2 | -191435 |
| 6standard | 269 | Perez, Joaquin [CHL] (1484) | Won 2-1 | +191454 |
| 7standard | 206 | Cardenas, Alfredo (1533) | Lost 1-2 | -171437 |
| top | average opponent: 1511record: 3-4 | new rating: 1437 | ||
| Grand Prix Santiago 2014 (KTK standard) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 170 | Orizola Navarrete, Jua (1485) | Lost 1-2 | -181465 |
| 2standard | 194 | Carrasco, Manuel C (1482) | Lost 1-2 | -171448 |
| 3standard | 288 | Alvarado, Roberto (1516) | Won 2-0 | +191467 |
| 4standard | 269 | Vejar, Fernando (1409) | Lost 0-2 | -191448 |
| top | average opponent: 1473record: 1-3 | new rating: 1448 | ||
| Grand Prix Santiago 2013 (THS standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 171 | Iannizzotto, Gustavo (1484) | Lost 1-2 | -181482 |
| 2modern | 197 | Mateluna, Cristobal (1482) | Won 2-0 | +181500 |
| 3modern | 193 | alvarez, abraham (1502) | Won 2-0 | +181518 |
| 4modern | 206 | Vyhmeister, Eduardo (1598) | Lost 1-2 | -171501 |
| 5modern | 230 | Marelli, Alejandro Miguel (1501) | Lost 1-2 | -181483 |
| 6modern | 240 | Ferran, Guillermo (1515) | Won 2-0 | +191502 |
| 7modern | 211 | Caicedo, Andres (1497) | Won 2-1 | +181520 |
| 8modern | 169 | Espinola, Javier (1540) | Lost 1-2 | -181502 |
| 9modern | 45 | Ahumada, Yohan G (1466) | Lost 0-2 | -191483 |
| top | average opponent: 1509record: 4-5 | new rating: 1483 | ||