Ortiz, Roberto
Current rating: 1542
| Grand Prix Copenhagen 2019 (MH1 limited) | starting rating: 1498 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 330 | Falk, Johan (1500) | Won 2-1 | +181516 |
| 2sealed | 234 | Telge, Simon (1546) | Won 2-0 | +191535 |
| 3sealed | 54 | Quinteros, Simon (1569) | Won 2-1 | +181553 |
| 4sealed | 142 | Bergenfeldt, Bjorn (1602) | Lost 0-2 | -171536 |
| 5sealed | 271 | Gokhan, Sahin (1667) | Won 2-1 | +211557 |
| 6sealed | 74 | Koski, Sampo (1747) | Lost 1-2 | -151542 |
| 7sealed | 266 | Arnason, Sigurdur (1613) | Won 2-1 | +191561 |
| 8sealed | 132 | Breviglieri, Massimo (1512) | Lost 1-2 | -191542 |
| top | average opponent: 1595record: 5-3 | new rating: 1542 | ||
| Grand Prix Stockholm 2018 (modern) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 231 | Vik, Gustav (1500) | Lost 1-2 | -191502 |
| 2modern | 481 | Ojala, Antti (1481) | Lost 0-2 | -181484 |
| 3modern | 607 | Samih, Azdean (1464) | Draw 1-1 | 01484 |
| 4modern | 597 | Eberhardsson, Linus (1463) | Lost 0-2 | -191465 |
| 5modern | 572 | Tornstrom, Thomas (1430) | Won 2-0 | +181483 |
| 6modern | 484 | Allhoff, Stephan (1463) | Won 2-0 | +171500 |
| 7modern | 389 | Widell, Alexander (1479) | Draw 1-1 | 01500 |
| 8modern | 355 | Romar, Markus (1409) | Draw 1-1 | -21498 |
| top | average opponent: 1461record: 2-3-3 | new rating: 1498 | ||
| Grand Prix Barcelona 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 302 | Tuulenmaki, Tommi (1583) | Lost 0-2 | -161484 |
| 2modern | 473 | Takanen, Andreas (1464) | Draw 1-1 | -11483 |
| 3modern | 641 | Li, Bruce (1584) | Won 2-0 | +201503 |
| 5modern | 348 | Feuerstein, John (1599) | Draw 1-1 | +21505 |
| 6modern | 464 | Fabregas, Joan (1409) | Won 2-1 | +161521 |
| 7modern | 338 | Larrieu, Jean-Charles (1487) | Lost 0-2 | -191502 |
| 8modern | 354 | Cuenca, Samuel (1523) | Won 2-0 | +191521 |
| top | average opponent: 1521record: 3-2-2 | new rating: 1521 | ||