Gaston, Juan
Current rating: 1574
Record: 31-26-1
| Regional Championships Sao Paulo 2023 Cycle 3 (pioneer) | starting rating: 1584 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 55 | Salazar, Bruno (1523) | Lost 0-2 | -191565 |
| 2pioneer | 43 | Taginato, Filipe (1486) | Won 2-0 | +171582 |
| 3pioneer | 47 | Nepomuceno, Christian Felipe (1577) | Won 2-1 | +181600 |
| 4pioneer | 32 | Di Giusto, Caio Giovanni (1450) | Lost 1-2 | -211579 |
| 5pioneer | 42 | Brotto, Felipe (1418) | Lost 0-2 | -211558 |
| 6pioneer | 44 | Pedrozo, Marcelo (1427) | Won 2-0 | +161574 |
| 7pioneer | 43 | Da Silva Faustino, Andre (1486) | Won 2-1 | +161590 |
| 8pioneer | 15 | Marques Nishiyama, Rafael Kenji (1673) | Lost 1-2 | -161574 |
| top | average opponent: 1505record: 4-4 | new rating: 1574 | ||
| Regional Championships Sao Paulo 2022 (pioneer) | starting rating: 1547 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 91 | Dannemann, Joao Manoel (1655) | Lost 0-2 | -161531 |
| 2pioneer | 59 | Rossello Lima, Luis Felippe (1677) | Won 2-1 | +201551 |
| 3pioneer | 39 | Musetti, Henrique (1501) | Lost 1-2 | -191532 |
| 4pioneer | 74 | Mangolin Filho, Davi (1622) | Won 2-1 | +201552 |
| 5pioneer | 63 | Ohana, Gustavo (1513) | Lost 0-2 | -191533 |
| 6pioneer | 66 | Moraes, Erico (1476) | Won 2-1 | +171550 |
| 7pioneer | 40 | Copello Cavalcante, Alexandre (1487) | Won 2-1 | +171567 |
| 8pioneer | 42 | Marianno, Augusto (1520) | Won 2-0 | +171584 |
| top | average opponent: 1556record: 5-3 | new rating: 1584 | ||
| Grand Prix Sao Paulo 2019 (modern) | starting rating: 1587 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 231 | Rocha, Victor (1523) | Lost 0-2 | -191568 |
| 3modern | 482 | Prata, Stewart (1581) | Won 2-0 | +181586 |
| 4modern | 345 | Limeira Lapolli, Joao Luiz (1519) | Draw 1-1 | -11585 |
| 5modern | 263 | Camelo, Rubem Samuel Ribeiro (1666) | Lost 0-2 | -171568 |
| 6modern | 382 | Silva, Daniel [BRA] (1534) | Lost 0-2 | -181550 |
| 7modern | 376 | Paes Batista, Lucas Augusto (1479) | Won 2-0 | +171567 |
| 8modern | 287 | Zilnyk, Kahl (1468) | Lost 1-2 | -201547 |
| top | average opponent: 1538record: 2-4-1 | new rating: 1547 | ||
| Grand Prix Sao Paulo 2018 (modern) | starting rating: 1561 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 334 | Felcom, Fellipe (1500) | Won 2-0 | +161577 |
| 2modern | 331 | Oliveira, Jackwalker (1435) | Won 2-0 | +161593 |
| 3modern | 160 | Moran Vasquez, Belisario (1679) | Lost 0-2 | -171576 |
| 4modern | 195 | Torrao, Caio (1470) | Lost 1-2 | -201556 |
| 5modern | 356 | Tsai, Thomas (1498) | Won 2-0 | +171573 |
| 6modern | 352 | Barria, Patricio (1433) | Won 2-1 | +161589 |
| 7modern | 117 | R. G. Leal, Ewerton Lucas (1524) | Lost 1-2 | -191570 |
| 8modern | 260 | Faller Killmann, Christiano (1540) | Won 2-0 | +171587 |
| top | average opponent: 1510record: 5-3 | new rating: 1587 | ||
| Grand Prix Sao Paulo 2017 (modern) | starting rating: 1507 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 75 | Santos, Diego (1502) | Won 2-0 | +181525 |
| 2modern | 203 | Fischer, Emiliano (1518) | Lost 0-2 | -191506 |
| 3modern | 404 | Bonfim, Henrique (1472) | Won 2-0 | +181524 |
| 4modern | 134 | Leon, Cristobal (1492) | Won 2-1 | +171541 |
| 5modern | 206 | Aravena, Eduardo (1536) | Won 2-0 | +181559 |
| 6modern | 65 | Rossello Lima, Luis Felippe (1694) | Lost 0-2 | -151544 |
| 7modern | 136 | Martins Mendes, Bruno (1537) | Won 2-0 | +171561 |
| 8modern | 113 | Feitosa, Isael (1618) | Lost 0-2 | -171544 |
| 9modern | 147 | Luzardo Soares, Leonardo (1524) | Won 2-0 | +181562 |
| 10modern | 124 | Miom Maria, Eberton Henrique (1558) | Won 2-0 | +181580 |
| 11modern | 87 | Vinicius, Alan (1571) | Lost 1-2 | -181562 |
| 12modern | 98 | Anet, Carolina (1518) | Won 2-0 | +171579 |
| 13modern | 94 | Vieira, Charlie (1568) | Lost 1-2 | -181561 |
| 14modern | 108 | Casagrande Junior, Humberto (1553) | Won 2-1 | +181579 |
| 15modern | 83 | Paez Sequeira, Alexandre (1571) | Lost 1-2 | -181561 |
| top | average opponent: 1549record: 9-6 | new rating: 1561 | ||
| Grand Prix Porto Alegre 2015 (modern) | starting rating: 1506 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 69 | Fernandes, Patrick (1482) | Won 2-1 | +171523 |
| 4modern | 49 | De Souza Conceicao, Rodrigo (1519) | Won 2-0 | +181541 |
| 5modern | 30 | Rodrigues Cavalcante, Marcelo (1606) | Lost 0-2 | -171524 |
| 6modern | 37 | Soares, Marco Tulio (1555) | Won 2-0 | +191543 |
| 7modern | 32 | Vieira Ramalho, Bruno (1521) | Lost 1-2 | -181525 |
| 8modern | 59 | Alves Junior, Burt Lancaster (1525) | Lost 0-2 | -181507 |
| top | average opponent: 1535record: 3-3 | new rating: 1507 | ||
| Grand Prix Sao Paulo 2015 (DTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 186 | Pereira da Costa, Victor (1553) | Won 2-0 | +191519 |
| 4standard | 99 | Carneiro, Elton (1544) | Won 2-1 | +181537 |
| 5standard | 48 | Barbosa Destri Junior, Vilmar (1672) | Lost 0-2 | -151522 |
| 6standard | 88 | de Lima e Silva Borzino, Marcio (1631) | Won 2-0 | +201542 |
| 7standard | 64 | Leite Junior, Paulo de Tarso (1541) | Lost 0-1 | -181524 |
| 8standard | 61 | Goncalves, Italo (1523) | Lost 1-2 | -181506 |
| top | average opponent: 1577record: 3-3 | new rating: 1506 | ||