Contreras, Cesar
Current rating: 1605
Record: 22-15
| Grand Prix Santiago 2017 (AKH standard) | starting rating: 1603 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 4 | Richardson, David (1536) | Lost 1-2 | -201583 |
| 2standard | 190 | Lucero, Andres (1454) | Lost 1-2 | -201563 |
| 3standard | 324 | Palacios Maureira, Patricio (1435) | Won 2-0 | +161579 |
| 4standard | 303 | Pradenas Avila, Ernesto (1508) | Lost 0-2 | -201559 |
| 5standard | 312 | Hermosilla, Gabriel (1486) | Won 2-0 | +171576 |
| 6standard | 302 | Solar, Juan (1580) | Won 2-1 | +181594 |
| 7standard | 177 | Prusanidis, Lucas (1509) | Won 2-1 | +171611 |
| 8standard | 185 | Villouta, Javier (1443) | Won 2-0 | +151626 |
| 9standard | 108 | Hernandez, William (1464) | Lost 1-2 | -211605 |
| top | average opponent: 1491record: 5-4 | new rating: 1605 | ||
| Grand Prix Santiago 2016 (KLD standard) | starting rating: 1597 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 236 | Fuentes, Roberto (1551) | Won 2-0 | +171614 |
| 2standard | 68 | Molina, Marcelo [ARG] (1524) | Lost 1-2 | -201594 |
| 3standard | 235 | Campos, Luis (1453) | Won 2-1 | +161610 |
| 4standard | 123 | Hermosilla, Gabriel (1528) | Won 2-1 | +161626 |
| 5standard | 91 | Longhi, Fabricio Augusto (1626) | Lost 1-2 | -181608 |
| 6standard | 191 | Gangale, Jorge (1538) | Won 2-0 | +171625 |
| 7standard | 92 | Ojeda, Juan Pablo (1546) | Lost 1-2 | -201605 |
| 8standard | 190 | Lopez, Alvaro (1534) | Won 0-0 | +171622 |
| 9standard | 136 | Pobbio, Franco (1538) | Lost 0-2 | -191603 |
| top | average opponent: 1537record: 5-4 | new rating: 1603 | ||
| Grand Prix Vancouver 2014 (THS standard) | starting rating: 1600 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 332 | Kang, Kwang (1500) | Won 2-0 | +161616 |
| 2standard | 163 | Pawliw, Levi (1518) | Lost 1-2 | -201596 |
| 3standard | 359 | Spansel, Kris (1501) | Won 2-0 | +161612 |
| 4standard | 245 | Davoudi, Mani (1732) | Lost 0-2 | -151597 |
| top | average opponent: 1563record: 2-2 | new rating: 1597 | ||
| Grand Prix Santiago 2013 (THS standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 139 | Bachmann, Eduardo (1500) | Lost 1-2 | -181482 |
| 2modern | 202 | Kendall, Ian (1584) | Won 2-1 | +201502 |
| 3modern | 257 | Rojas, Alejandro (1463) | Won 2-1 | +171519 |
| 4modern | 207 | Venegas, Mauricio (1518) | Won 2-0 | +181537 |
| 5modern | 162 | Ruz, Walter (1478) | Lost 0-2 | -191518 |
| 6modern | 199 | Solano Rodriguez, Alejandro (1517) | Won 2-0 | +181536 |
| 7modern | 145 | Sanchez, Ignacio E (1459) | Won 2-1 | +171553 |
| 8modern | 94 | Rojas, Enrique (1510) | Won 2-1 | +171570 |
| 9modern | 65 | Silva, Jose Francisco (1752) | Won 2-1 | +211591 |
| 10modern | 45 | Melamed, Jonathan (1864) | Lost 1-2 | -131578 |
| 11modern | 37 | medina, dante (1553) | Won 2-1 | +181596 |
| 12modern | 31 | Berrocal, Guillermo (1635) | Lost 1-2 | -181578 |
| 13modern | 36 | Damo da Rosa, Paulo Vitor (1843) | Won 2-1 | +231601 |
| 14modern | 27 | Souza, Joao Claudio (1519) | Won 2-0 | +161617 |
| 15modern | 25 | Zah, Adrian (1632) | Lost 1-2 | -171600 |
| top | average opponent: 1588record: 10-5 | new rating: 1600 | ||