Oyarzun, Julio Cesar
Current rating: 1375
| Grand Prix Santiago 2016 (KLD standard) | starting rating: 1417 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 151 | Caballero Perez, Miguel Angel (1445) | Lost 1-2 | -171400 |
| 2standard | 210 | Pineda, Camilo (1482) | Lost 0-2 | -171383 |
| 3standard | 358 | Pellegrini, Matias (1503) | Lost 1-2 | -151368 |
| 4standard | 351 | Arellano Sandoval, Juan Francisco (1446) | Lost 0-2 | -171351 |
| 5standard | 350 | Cairo, Cristian (1456) | Won 2-0 | +201371 |
| 6standard | 320 | Munoz Roque, Rodrigo (1446) | Won 2-0 | +191390 |
| 7standard | 282 | Sosa De Los Santos, Martin (1479) | Lost 1-2 | -161374 |
| 8standard | 257 | Gonzalez Pizarro, Loreto Mercedes (1343) | Won 0-0 | +171391 |
| 9standard | 217 | Donoso, David (1460) | Lost 0-2 | -161375 |
| top | average opponent: 1451record: 3-6 | new rating: 1375 | ||
| Grand Prix Sao Paulo 2009 (ARB standard) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 69 | Veiga, Robson Da Silva (1518) | Won 2-0 | +191465 |
| 2standard | 76 | De Freitas, Raphael Julio (1518) | Won 2-1 | +191484 |
| 3standard | 68 | de Magalhaes Scalli, Guilherme (1535) | Lost 1-2 | -171467 |
| 4standard | 181 | Epifanio, Allan S (1518) | Draw 1-1 | +11468 |
| 5standard | 151 | Paulo Maria, (1517) | Lost 1-2 | -171451 |
| 6standard | 195 | Pereira, Roberto (1500) | Lost 0-0 | -171434 |
| 7standard | 182 | Moraga Galdames, Jorge Pablo (1517) | Lost 1-2 | -171417 |
| top | average opponent: 1517record: 2-4-1 | new rating: 1417 | ||
| Grand Prix Buenos Aires 2008 (SHM standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 62 | Sopetto, Patricio N (1500) | Lost 0-2 | -181482 |
| 2standard | 213 | Briozzo, Juan Diego (1482) | Lost 0-2 | -181464 |
| 3standard | 242 | Hsieh, Yu Shiang (1464) | Lost 0-2 | -181446 |
| top | average opponent: 1482record: 0-3 | new rating: 1446 | ||