Ortiz, Rafael
Current rating: 1499
Record: 5-5
| Grand Prix Houston 2016 (OGW standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 119 | Hilliard, Jeremy (1500) | Won 2-0 | +181518 |
| 2standard | 260 | Hunter, William (1476) | Won 2-1 | +171535 |
| 3standard | 312 | Guo, Michelle (1442) | Won 2-0 | +171552 |
| 4standard | 1 | MacGillivray, Joseph (1589) | Lost 0-2 | -181534 |
| 5standard | 200 | Skelding, Philip (1529) | Lost 0-2 | -181516 |
| 6standard | 306 | Elenbaas, Evan (1522) | Won 2-0 | +181534 |
| 7standard | 297 | Hussey, Emmett (1538) | Lost 1-2 | -181516 |
| 8standard | 451 | Crone, Jason (1576) | Lost 0-2 | -171499 |
| average opponent: 1522record: 4-4 | new rating: 1499 | |||
| Grand Prix Houston 2013 (DGM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 142 | Ryan, Jason (1481) | Lost 0-2 | -181482 |
| 2sealed | 385 | Mana, Nuno (1500) | Won 2-1 | +181500 |
| average opponent: 1490record: 1-1 | new rating: 1500 | |||