Mariano, Takeshi
Current rating: 1457
Record: 12-14
| Grand Prix Sao Paulo 2019 (2) (ELD standard) | starting rating: 1494 | |||
| round | table | opponent (rating) | result | Δrating |
| A1standard | 100 | Matavelli, Pedro (1371) | Lost 1-2 | -201474 |
| A2standard | 99 | Freire, Otavio (1483) | Won 2-1 | +181492 |
| A3standard | 88 | Almeida, Leosmar (1518) | Lost 0-2 | -181474 |
| A4standard | 121 | Colvara, Guilherme (1520) | Lost 0-2 | -171457 |
| top | average opponent: 1473record: 1-3 | new rating: 1457 | ||
| Grand Prix Porto Alegre 2015 (modern) | starting rating: 1516 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 165 | Esteves Maciel, Frederico (1596) | Lost 1-2 | -171499 |
| 2modern | 255 | Eichelberger, Matheus (1482) | Lost 0-2 | -181481 |
| 3modern | 361 | Schaidhauer, Diego Dias (1464) | Won 2-0 | +171498 |
| 4modern | 345 | Oliveira, Leonardo 9342 (1464) | Won 2-0 | +181516 |
| 5modern | 261 | Garcia Toledo, Martin Nicolas (1406) | Won 2-1 | +161532 |
| 6modern | 211 | Souza, Jorge (1470) | Lost 1-2 | -191513 |
| 7modern | 179 | Ullrich, Egard C (1480) | Lost 1-2 | -191494 |
| top | average opponent: 1480record: 3-4 | new rating: 1494 | ||
| Grand Prix Sao Paulo 2012 (M13 limited) | starting rating: 1498 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 100 | Rojas Keim, Felipe Andres (1481) | Lost 1-2 | -181480 |
| 2sealed | 257 | da S. Capelli, Marcus Vinici (1483) | Won 2-1 | +181498 |
| 3sealed | 136 | Miguel, Jeziel Albuquerque (1500) | Lost 1-2 | -181480 |
| 4sealed | 295 | Cesar, Hudson (1482) | Won 2-1 | +181498 |
| 5sealed | 213 | Nhoque, Tiago (1535) | Lost 0-2 | -171481 |
| 6sealed | 244 | Giordano, Bruno (1481) | Won 2-1 | +181499 |
| 7sealed | 155 | Cardoso Moreno, Tais (1422) | Lost 1-2 | -201479 |
| 8sealed | 161 | Nacao De Moura Portugal, Mar (1482) | Won 2-1 | +191498 |
| 9sealed | 116 | Eliam, Luiz (1498) | Won 2-0 | +181516 |
| top | average opponent: 1485record: 5-4 | new rating: 1516 | ||
| Grand Prix Sao Paulo 2009 (ARB standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 88 | Cavinato, Endrigo (1445) | Won 2-0 | +171517 |
| 2standard | 27 | Lucas Pereira, (1518) | Won 2-1 | +181535 |
| 3standard | 95 | Hugo Felipe Motta de A, (1518) | Lost 1-2 | -181517 |
| 4standard | 119 | Coqueiro, Rafael S (1570) | Won 2-1 | +191536 |
| 5standard | 102 | Penegrini, Felipe Alves (1483) | Lost 1-2 | -191517 |
| 6standard | 189 | Vegas, Sergio (1501) | Lost 0-0 | -191498 |
| top | average opponent: 1506record: 3-3 | new rating: 1498 | ||