Montalban, Sebastian
Current rating: 1524
Record: 9-9-1
| Regional Championships Santiago 2023 Cycle 4 (pioneer) | starting rating: 1479 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 17 | Chomali, Diego (1549) | Lost 0-2 | -161463 |
| 2pioneer | 52 | Canale, Pablo (1482) | Won 2-0 | +181481 |
| 3pioneer | 55 | Delgado, Rodolfo (1451) | Won 2-0 | +171498 |
| 4pioneer | 71 | Lopez, Rodrigo (1746) | Lost 1-2 | -131485 |
| 5pioneer | 42 | fumagalli, marco (1507) | Won 2-1 | +181503 |
| 6pioneer | 23 | Munoz, Mario (1575) | Won 2-0 | +191522 |
| 7pioneer | 12 | Almonacid, Robinson (1579) | Won 2-0 | +201542 |
| 8pioneer | 33 | Canas, Rodrigo (1554) | Lost 0-2 | -181524 |
| top | average opponent: 1555record: 5-3 | new rating: 1524 | ||
| Regional Championships Santiago 2023 Cycle 3 (pioneer) | starting rating: 1454 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 17 | Bozzo, Gian Luca (1500) | Lost 0-2 | -171437 |
| 2pioneer | 15 | Fernandez, Jose Ignacio (1437) | Lost 1-2 | -181419 |
| 3pioneer | 53 | Camargo, Andres (1856) | Lost 0-2 | -111408 |
| 4pioneer | 52 | Munoz, Esteban (1353) | Won 2-0 | +171425 |
| 5pioneer | 43 | Vargas, Jorge (1469) | Won 2-0 | +191444 |
| 6pioneer | 36 | Morales Macaya, Nicolas (1421) | Won 2-0 | +171461 |
| 7pioneer | 29 | Torres, Eduardo [CHL] (1448) | Won 2-1 | +181479 |
| top | average opponent: 1498record: 4-3 | new rating: 1479 | ||
| Regional Championships Santiago 2023 (ONE standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 41 | Rojas, Luis (1520) | Draw 1-1 | 01500 |
| 2standard | 34 | de Diego, Pedro (1654) | Lost 1-2 | -151485 |
| 3standard | 51 | Mediano, Diego (1667) | Lost 1-2 | -151470 |
| 4standard | 58 | Munoz, Mario (1544) | Lost 1-2 | -161454 |
| top | average opponent: 1596record: 0-3-1 | new rating: 1454 | ||