Oliveiro, Stephen M
Current rating: 1441
| Grand Prix Portland 2013 (modern) | starting rating: 1476 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 92 | Galli, Jeremiah (1500) | Lost 1-2 | -171459 |
| 2modern | 290 | Varner, Brandon (1481) | Lost 0-2 | -181441 |
| 3modern | 358 | Waldhaus, Timothy (1429) | Won 2-0 | +181459 |
| 4modern | 405 | Ricker, Tegan (1483) | Lost 0-2 | -181441 |
| top | average opponent: 1473record: 1-3 | new rating: 1441 | ||
| Grand Prix Portland 2010 (M11 limited) | starting rating: 1478 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 128 | Gray, Corbett (1730) | Won 2-0 | +221500 |
| 4sealed | 121 | Silsby, James (1586) | Won 2-1 | +201520 |
| 5sealed | 6 | Pozsgay, Michael (1618) | Lost 0-2 | -171503 |
| 6sealed | 147 | Wescoe, Craig (1855) | Lost 0-2 | -111492 |
| 7sealed | 168 | Cibrian, Roberto (1512) | Won 2-0 | +181510 |
| 8sealed | 104 | Neill, David (1528) | Lost 0-2 | -181492 |
| 9sealed | 134 | Rosellini, Jason (1603) | Lost 0-2 | -161476 |
| top | average opponent: 1633record: 3-4 | new rating: 1476 | ||
| Grand Prix Oakland 2010 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4extended | 52 | Gregoir, Christophe (1802) | Lost 0-2 | -131487 |
| 5extended | 83 | Dunseth, Alex (1585) | Lost 0-2 | -161471 |
| 6extended | 165 | Wilson, Jacob [USA] (1517) | Lost 1-2 | -171454 |
| 7extended | 208 | Sadd, Harrison (1520) | Won 2-0 | +191473 |
| 8extended | 153 | Laczko, Scott (1523) | Won 2-0 | +191492 |
| 9extended | 105 | Utter-Leyton, Josh (1683) | Lost 0-2 | -141478 |
| top | average opponent: 1605record: 2-4 | new rating: 1478 | ||