Petroski, Wladimir
Current rating: 1421
| Grand Prix Sao Paulo 2009 (ARB standard) | starting rating: 1394 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 40 | Ferreira Landim, Felipe (1500) | Won 2-1 | +201414 |
| 2standard | 135 | Bahiense, Ulisses P (1500) | Won 2-0 | +201434 |
| 3standard | 34 | Barzola, Juan Pablo (1431) | Won 2-0 | +181452 |
| 4standard | 36 | Martinello da Costa, Paulo Henrique (1483) | Lost 0-2 | -181434 |
| 5standard | 81 | Dimitrius Bercot, (1483) | Won 2-1 | +191453 |
| 6standard | 68 | Guaraldo Torello Viera, Fernando (1553) | Lost 0-0 | -161437 |
| 7standard | 92 | Martinez, Jose [VEN] (1537) | Lost 1-2 | -161421 |
| top | average opponent: 1498record: 4-3 | new rating: 1421 | ||
| Grand Prix Curitiba 2001 (extended) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 10 | Fonseca, Guilherme (1482) | Lost 0-0 | -181464 |
| 3extended | 74 | Westerley, Alexander (1417) | Draw 1-1 | -11463 |
| 4extended | 112 | Terra, Kim (1518) | Lost 1-2 | -171446 |
| 5extended | 131 | Cruz, Anderson (1481) | Lost 0-2 | -171429 |
| 6extended | 139 | Moscoso, Diego (1463) | Lost 0-2 | -171412 |
| 7extended | 125 | Marques da Silva, Diego Jani (1446) | Lost 0-2 | -181394 |
| top | average opponent: 1468record: 0-5-1 | new rating: 1394 | ||
| Grand Prix Rio de Janeiro 2001 (PLS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 34 | Cordeiro, Wellington (1500) | Won 2-1 | +181518 |
| 2sealed | 50 | Latorraca, Walter Bruno (1518) | Draw 1-1 | 01518 |
| 3sealed | 52 | Pacheco, Daniel (1518) | Won 2-0 | +181536 |
| 4sealed | 43 | Velucci Turco, Luis Guilherm (1536) | Lost 0-2 | -181518 |
| 5sealed | 77 | Vieira Wollny, Igor (1518) | Lost 0-2 | -181500 |
| 6sealed | 100 | Estoup, Adrian Moracio (1516) | Draw 1-1 | 01500 |
| 7sealed | 108 | Schneider, Mark (1499) | Lost 0-0 | -181482 |
| top | average opponent: 1515record: 2-3-2 | new rating: 1482 | ||