Perdomo Singe, Oscar Roberto
Current rating: 1530
Record: 3-3 (GP) / 8-9-1 (professional)
| Grand Prix Mexico City 2012 (DKA limited) | starting rating: 1533 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 26 | GARCIA, armando (1500) | Won 2-1 | +181551 |
| 2sealed | 159 | Velazquez Marin, Ivan Itzama (1518) | Lost 1-2 | -191532 |
| 3sealed | 108 | Macarty, Carlos (1500) | Won 2-0 | +171549 |
| 4sealed | 163 | Munoz Gomez, Eduardo (1518) | Lost 0-2 | -181531 |
| 5sealed | 198 | Massa Anaya, Hiram (1500) | Won 2-0 | +171548 |
| 6sealed | 101 | Bravo, Antonio (1517) | Lost 0-2 | -181530 |
| average opponent: 1509record: 3-3 | new rating: 1530 | |||
| 2009 World Championship (mixed) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 92 | Zatlkaj, Matej (1917) | Lost 0-2 | -111489 |
| 2standard | 203 | Porter, James Serafin (1658) | Lost 1-2 | -151474 |
| 3standard | 182 | Khoo, Aik Seng (1657) | Won 2-1 | +221496 |
| 4standard | 145 | Malin, Antti (1797) | Won 2-1 | +231519 |
| 5standard | 93 | Martin, Quentin (1766) | Lost 0-2 | -141505 |
| 6standard | 165 | Polasek, Filip (1728) | Won 2-0 | +221527 |
| 7draft | 96 | Bacic, Niko (1604) | Lost 0-2 | -161511 |
| 8draft | 136 | Kulbych, Ivan (1508) | Lost 0-2 | -181493 |
| 9draft | 149 | Niemi, Tero (1568) | Lost 1-2 | -171476 |
| 10draft | 180 | Nicastri, Aaron (1698) | Won 2-1 | +221498 |
| 11draft | 36 | Sequeira, Goncalo (1491) | Lost 0-2 | -181480 |
| 12draft | 155 | Rubin, Benjamin (1802) | Lost 0-2 | -121468 |
| 13extended | 159 | Pricopoaea, Cosmin George (1446) | Draw 1-1 | -11467 |
| 14extended | 158 | Petkunas, Paulius (1440) | Won 2-1 | +181485 |
| 15extended | 143 | Rocha, Hector Javier (1642) | Won 2-1 | +211506 |
| 16extended | 129 | Ueda, Katsuya (1766) | Won 2-0 | +221528 |
| 17extended | 112 | Gardner, Daniel J [ENG] (1652) | Won 2-1 | +201548 |
| 18extended | 97 | Calvetto, Marcello (1703) | Lost 1-2 | -151533 |
| average opponent: 1658record: 8-9-1 | new rating: 1533 | |||