Arganaraz, Marcos
Current rating: 1462
Record: 12-15-1
| Grand Prix Sao Paulo 2019 (modern) | starting rating: 1522 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 26 | Farias, Andre Luiz (1500) | Lost 0-2 | -191503 |
| 2modern | 495 | Costa, Fabio (1482) | Won 2-1 | +181521 |
| 3modern | 462 | Arciniegas, German (1447) | Won 2-1 | +171538 |
| 4modern | 379 | Pino, Matias (1474) | Lost 0-2 | -201518 |
| 5modern | 415 | Domene, Luccas (1507) | Lost 1-2 | -181500 |
| 6modern | 463 | Clemente, Arthur (1387) | Lost 1-2 | -201480 |
| 7modern | 406 | Da Cunha Fabro, Paolo Marcello (1448) | Lost 0-2 | -181462 |
| top | average opponent: 1464record: 2-5 | new rating: 1462 | ||
| Grand Prix Sao Paulo 2018 (modern) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 308 | Baylao, Saulo Rafael (1500) | Won 2-1 | +191482 |
| 2modern | 255 | Neto, Wilson (1517) | Lost 0-2 | -181464 |
| 3modern | 409 | Loose, Felipe (1500) | Won 2-0 | +191483 |
| 4modern | 259 | Guzman, Federico (1456) | Won 2-1 | +171500 |
| 5modern | 78 | Rosse Pandolfi, Claudio (1535) | Lost 0-2 | -171483 |
| 6modern | 195 | Ceccato, Leonardo (1569) | Draw 1-1 | +21485 |
| 7modern | 289 | Bartolomei Da Silveira, Giovani (1432) | Won 2-0 | +171502 |
| 8modern | 187 | Ramos, Paulo (1611) | Won 2-0 | +201522 |
| top | average opponent: 1515record: 5-2-1 | new rating: 1522 | ||
| Grand Prix Sao Paulo 2017 (modern) | starting rating: 1428 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 375 | Giantin Scacchetti, Gabriel (1563) | Lost 0-2 | -161412 |
| 2modern | 532 | Antonio Hack, Luis (1482) | Lost 1-2 | -171395 |
| 3modern | 536 | De Sousa Cardoso, Janiel (1464) | Won 2-1 | +191414 |
| 4modern | 507 | Ricciotti, Maximiliano (1484) | Lost 0-2 | -161398 |
| 5modern | 520 | Gennari Souza, Juliano (1819) | Won 2-1 | +251423 |
| 6modern | 395 | Nascimento, Adailton (1480) | Won 2-1 | +191442 |
| 7modern | 316 | Jose Zanon Da Costa, Fernando (1504) | Won 2-0 | +191461 |
| 8modern | 222 | Silveira, Vagner Fernando (1517) | Lost 0-2 | -171444 |
| 9modern | 246 | Hassan, Andre (1485) | Won 2-0 | +191463 |
| top | average opponent: 1533record: 5-4 | new rating: 1463 | ||
| Grand Prix Santiago 2011 (ISD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 12 | Seigman, Daniel (1471) | Lost 1-2 | -191481 |
| 2sealed | 246 | Miranda, Patricio (1482) | Lost 1-2 | -181463 |
| 3sealed | 312 | Azocar, Gonzalo (1464) | Lost 1-2 | -181445 |
| 4sealed | 340 | Nilo, Sebastian (1446) | Lost 0-2 | -171428 |
| top | average opponent: 1466record: 0-4 | new rating: 1428 | ||