Madrid Rebollar, Omar
Current rating: 1550
Record: 5-4
| Regional Championships Athens 2023 (pioneer) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 31 | Munoz Gomez, Borja (1956) | Won 2-1 | +261526 |
| 2pioneer | 112 | Kerekes, Jozsef Endre (1470) | Won 2-0 | +171543 |
| 3pioneer | 45 | Lorenc, Michal (1882) | Won 2-0 | +241567 |
| 4pioneer | 6 | Gutierrez Von Porat, Nils (1996) | Lost 0-2 | -111556 |
| 5pioneer | 38 | M, Emil (1547) | Lost 0-2 | -181538 |
| 6pioneer | 102 | Nikitopoulos, Dimitris (1520) | Lost 1-2 | -181520 |
| 7pioneer | 124 | Andrzejewski, Alan (1908) | Won 2-0 | +241544 |
| 8pioneer | 98 | Miani, Davide (1913) | Won 2-1 | +251569 |
| 9pioneer | 55 | Mondaini, Matheus (1522) | Lost 0-2 | -191550 |
| average opponent: 1746record: 5-4 | new rating: 1550 | |||