Guzman, Federico
Current rating: 1458
| Grand Prix Sao Paulo 2018 (modern) | starting rating: 1473 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 12 | Rocha, Eddington (1511) | Lost 1-2 | -171456 |
| 4modern | 259 | Arganaraz, Marcos (1483) | Lost 1-2 | -181438 |
| 5modern | 370 | da Costa Mohallem, Lucas (1464) | Won 2-0 | +191457 |
| 6modern | 257 | Koorn da Silva, Rodrigo (1490) | Won 2-0 | +181475 |
| 7modern | 173 | Boim, Alexandre (1538) | Lost 0-2 | -171458 |
| top | average opponent: 1497record: 2-3 | new rating: 1458 | ||
| Grand Prix Buenos Aires 2015 (DTK standard) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 169 | Martinez Torales, Jorge (1498) | Won 2-0 | +191465 |
| 2standard | 140 | Martinez, Sebastian [URU] (1642) | Lost 1-2 | -151450 |
| 3standard | 254 | Carrizo, Ivan Alejandro (1465) | Won 2-0 | +181468 |
| 4standard | 113 | Mallea, Federico (1450) | Won 2-0 | +181486 |
| 5standard | 62 | Cister, Matias (1452) | Lost 1-2 | -191467 |
| 6standard | 183 | Garcia, Martin (1585) | Won 2-1 | +211488 |
| 7standard | 109 | Arntz, Estevao Rudi (1658) | Won 2-1 | +211509 |
| 8standard | 65 | Dominguez, Emiliano (1530) | Lost 0-2 | -181491 |
| 9standard | 83 | Arrostito, Andres (1492) | Lost 1-2 | -181473 |
| top | average opponent: 1530record: 5-4 | new rating: 1473 | ||
| Grand Prix Buenos Aires 2014 (BNG standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 22 | Mario, Benitez (1500) | Lost 0-2 | -181482 |
| 2standard | 348 | Sosa Dias, Martin (1482) | Lost 0-2 | -181464 |
| 3standard | 393 | Arrostito, Andres (1484) | Won 2-1 | +181482 |
| 4standard | 330 | Ortiz, Leonardo (1464) | Lost 1-2 | -181464 |
| 5standard | 376 | Leis, Alejandro (1461) | Lost 0-2 | -181446 |
| top | average opponent: 1478record: 1-4 | new rating: 1446 | ||