Guidotti, Ricardo
Current rating: 1418
Record: 6-10 (GP) / 2-5 (professional)
| Strixhaven Championship (MTGA mixed) | starting rating: 1431 | |||
| round | table | opponent (rating) | result | Δrating |
| 1historic | 77 | Inglis, David [USA] (1848) | Lost 1-2 | -111420 |
| 2historic | 67 | Torres, Bernardo (1882) | Lost 1-2 | -101410 |
| 3historic | 111 | Noda, Gennoshin (1459) | Lost 1-2 | -171393 |
| 4standard | 110 | Masuda, Masahito (1756) | Lost 0-2 | -121381 |
| 5standard | 118 | Schneider, Justin (1828) | Lost 1-2 | -101371 |
| 6standard | 109 | Russett, Charles (1546) | Won 2-1 | +211392 |
| 7standard | 91 | Duke, Reid (1857) | Won 2-1 | +261418 |
| top | average opponent: 1739record: 2-5 | new rating: 1418 | ||
| Grand Prix Sao Paulo 2019 (modern) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 148 | Munoz Carpintero, Diego (1476) | Lost 1-2 | -181464 |
| 4modern | 385 | Valente, Felipe (1458) | Lost 0-2 | -181446 |
| 5modern | 281 | Garcia Da Silveira, Stefano (1616) | Lost 0-2 | -151431 |
| top | average opponent: 1517record: 0-3 | new rating: 1431 | ||
| Grand Prix Sao Paulo 2018 (modern) | starting rating: 1517 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 203 | Lopez, Mauricio (1564) | Won 2-1 | +191536 |
| 4modern | 14 | Gray Murray, Bruce (1523) | Lost 0-2 | -191517 |
| 5modern | 209 | Santaren, Waldevino (1466) | Lost 1-2 | -181499 |
| 6modern | 208 | Dos Santos, Pablo (1592) | Lost 1-2 | -171482 |
| top | average opponent: 1536record: 1-3 | new rating: 1482 | ||
| Grand Prix Sao Paulo 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 474 | Mayo Peixoto, Renan (1488) | Won 2-0 | +181518 |
| 2modern | 183 | Fernandes, Luciano (1518) | Won 2-0 | +181536 |
| 3modern | 32 | Olea, Carlos (1481) | Won 2-1 | +171553 |
| 4modern | 68 | Grubba Olsen, Lauro Emilio (1591) | Lost 0-2 | -181535 |
| 5modern | 178 | Tateishi, Leandro (1461) | Lost 0-2 | -191516 |
| 6modern | 251 | Miranda, Marcelo2640 (1518) | Lost 0-2 | -181498 |
| 7modern | 307 | Frigini, Luiz Claudio (1518) | Won 2-1 | +191517 |
| 8modern | 302 | Machado Viegas, Breno (1528) | Won 2-1 | +181535 |
| 9modern | 152 | Hussam, Muhammad (1539) | Lost 0-2 | -181517 |
| top | average opponent: 1516record: 5-4 | new rating: 1517 | ||