Sida, Guillermo
Current rating: 1357
Record: 7-17
| Regional Championships Atlanta 2023 (pioneer) | starting rating: 1407 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 418 | Dillon, David (1582) | Lost 1-2 | -151392 |
| 2pioneer | 49 | Leaf, Benji (1513) | Lost 0-2 | -161376 |
| 3pioneer | 607 | Ouellette, Ian (1465) | Won 2-1 | +201396 |
| 4pioneer | 501 | Crozier, Justin (1596) | Won 2-0 | +211417 |
| 5pioneer | 404 | Nollen, Dylan (1909) | Lost 0-2 | -101407 |
| 6pioneer | 481 | Pangburn, Jacob (1487) | Lost 1-2 | -161391 |
| 7pioneer | 407 | Schmidt, John (1444) | Lost 0-2 | -171374 |
| 8pioneer | 343 | Moss, Robert (1412) | Lost 0-2 | -171357 |
| top | average opponent: 1551record: 2-6 | new rating: 1357 | ||
| Regional Championships San Diego 2023 (ONE standard) | starting rating: 1457 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 257 | Bannister, Jimmy (1500) | Lost 1-2 | -171440 |
| 2standard | 398 | Spring, Arthur (1482) | Lost 0-2 | -171423 |
| 3standard | 364 | Fagan, Christian (1516) | Lost 1-2 | -161407 |
| top | average opponent: 1499record: 0-3 | new rating: 1407 | ||
| Grand Prix Las Vegas 2019 (modern) (modern) | starting rating: 1475 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 237 | Carbajal, Mark (1485) | Lost 0-2 | -181457 |
| top | record: 0-1 | new rating: 1457 | ||
| Grand Prix Los Angeles 2019 (modern) | starting rating: 1508 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 178 | Blanco, Jerome (1557) | Won 2-1 | +181526 |
| 2modern | 259 | Deng, Robert (1549) | Lost 0-2 | -171509 |
| 3modern | 543 | Bell, Christopher 4214 (1436) | Lost 0-2 | -191490 |
| 4modern | 569 | Mendoza Cruz, Gerardo (1685) | Lost 0-2 | -151475 |
| top | average opponent: 1557record: 1-3 | new rating: 1475 | ||
| Grand Prix Los Angeles 2018 (M19 standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 154 | Hatamian, Emin (1415) | Won 2-0 | +161516 |
| 2standard | 53 | Weis, Kevin (1521) | Won 2-0 | +191535 |
| 3standard | 151 | Perez, Gaston (1754) | Lost 1-2 | -151520 |
| 4standard | 191 | Bailyn, Noah (1539) | Lost 0-2 | -171503 |
| 5standard | 380 | Lee, William7525 (1656) | Won 2-0 | +211524 |
| 6standard | 171 | Whitmore, Jason (1591) | Lost 0-2 | -171507 |
| 7standard | 286 | Mohns, Brett (1529) | Won 2-1 | +181525 |
| 8standard | 231 | Hernandez, Trent (1545) | Lost 1-2 | -171508 |
| top | average opponent: 1569record: 4-4 | new rating: 1508 | ||