Mandaji, Marcelo
Current rating: 1469
Record: 11-14-1
| Grand Prix Sao Paulo 2018 (modern) | starting rating: 1436 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 553 | Barrera, Carlos (1499) | Won 2-1 | +201456 |
| 2modern | 64 | de Padua Casagrande, Felipe (1500) | Lost 1-2 | -181438 |
| 3modern | 537 | de Freitas, Luis Eduardo (1648) | Won 2-0 | +221460 |
| 4modern | 357 | Barcellos, Guilherme (1735) | Won 2-1 | +231483 |
| 5modern | 104 | Coutinho, Thiago (1536) | Won 2-1 | +191502 |
| 6modern | 152 | De Moura Espindola, Kelsen (1562) | Draw 1-1 | +11503 |
| 7modern | 102 | Nunes da Silva, Rafael (1574) | Lost 1-2 | -171486 |
| 8modern | 191 | Sutherland, Thomas (1537) | Lost 0-2 | -171469 |
| top | average opponent: 1574record: 4-3-1 | new rating: 1469 | ||
| Grand Prix Sao Paulo 2012 (M13 limited) | starting rating: 1429 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 228 | Mochida, Paulo (1500) | Lost 1-2 | -171412 |
| 2sealed | 269 | Fernandes Santos, Lucas (1451) | Won 2-0 | +191431 |
| 3sealed | 261 | Gomes, Gabriel (1501) | Won 2-0 | +191450 |
| 4sealed | 203 | Oliveira, Bruno (1571) | Won 2-1 | +201470 |
| 5sealed | 54 | Huerta, Adrian (1518) | Lost 1-2 | -171453 |
| 6sealed | 182 | Marques, Fabio S (1517) | Lost 1-2 | -171436 |
| top | average opponent: 1510record: 3-3 | new rating: 1436 | ||
| Grand Prix Sao Paulo 2009 (ARB standard) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 12 | Jefferson Handa, (1500) | Lost 1-2 | -181464 |
| 2standard | 167 | Nunes da Silva, Rafael (1410) | Lost 0-2 | -191445 |
| 3standard | 246 | Briozzo, Juan Diego (1462) | Lost 0-2 | -171428 |
| 4standard | 300 | Elton Nunes, (1446) | Lost 0-2 | -181410 |
| 5standard | 285 | Diego Jucosky, (1428) | Won 2-0 | +181428 |
| 6standard | 241 | Rafael De Albuquerque, (1446) | Won 0-0 | +191447 |
| 7standard | 194 | De Albuquerque Silva, Rodrigo (1465) | Lost 1-2 | -181429 |
| top | average opponent: 1451record: 2-5 | new rating: 1429 | ||
| Grand Prix Porto Alegre 2004 (COK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 63 | Lopes, Reinaldo (1500) | Lost 0-2 | -181482 |
| 2sealed | 135 | Sthephanou, Erik (1482) | Won 2-0 | +181500 |
| 3sealed | 90 | Monsalve, Andres (1500) | Won 2-0 | +181518 |
| 4sealed | 87 | Coelho Simone, Gabriel (1518) | Lost 1-2 | -181500 |
| 5sealed | 80 | Araujo Vianna Costa, Paulo (1500) | Lost 0-2 | -181482 |
| top | average opponent: 1500record: 2-3 | new rating: 1482 | ||