Donoso, David
Current rating: 1418
| Regional Championships Santiago 2023 (ONE standard) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 10 | Palomino Saravia, Gabriel Alfonso (1537) | Lost 1-2 | -171468 |
| 2standard | 10 | Salini, Jose (1563) | Lost 1-2 | -161452 |
| 3standard | 10 | Valenzuela, Cristian (1561) | Lost 1-2 | -161436 |
| 4standard | 10 | Sutter, Emanuel (1465) | Lost 0-2 | -181418 |
| top | average opponent: 1532record: 0-4 | new rating: 1418 | ||
| Grand Prix Santiago 2017 (AKH standard) | starting rating: 1477 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 169 | Escobar Canete, Felipe (1536) | Won 2-1 | +191496 |
| 2standard | 2 | Saotome, Yukiyo (1510) | Won 2-0 | +181514 |
| 3standard | 149 | Venini, Ignacio (1573) | Won 2-0 | +191533 |
| 4standard | 19 | Becerra, Andres (1551) | Won 2-0 | +191552 |
| 5standard | 21 | Rabaglia, Cristian (1600) | Won 2-1 | +191571 |
| 6standard | 8 | Salvatto, Luis (2014) | Lost 1-2 | -111560 |
| 7standard | 50 | Juza, Martin (2135) | Lost 1-2 | -81552 |
| 8standard | 101 | Fernandez, Jose Ignacio (1477) | Won 2-0 | +161568 |
| 9standard | 68 | Stone, Cristian (1693) | Lost 1-2 | -161552 |
| 10standard | 352 | Poblete, Hector (1583) | Lost 1-2 | -171535 |
| 11standard | 371 | Nagy, Ariel (1711) | Lost 0-2 | -151520 |
| 12standard | 380 | Delgado, Victor (1498) | Lost 0-2 | -181502 |
| 14standard | 379 | Cardenas, Alfredo (1556) | Lost 0-2 | -171485 |
| top | average opponent: 1649record: 6-7 | new rating: 1485 | ||
| Grand Prix Santiago 2016 (KLD standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 258 | Melara Morales, Salvador Eduardo (1500) | Lost 0-2 | -181482 |
| 2standard | 229 | Salgado, Pablo (1482) | Won 2-0 | +181500 |
| 3standard | 278 | Arcos, Ricardo (1476) | Lost 1-2 | -181482 |
| 4standard | 292 | Bahamonde, Marco (1438) | Won 2-0 | +171499 |
| 5standard | 243 | Ortelli, Christian (1423) | Lost 0-2 | -201479 |
| 6standard | 247 | Ridosz, Maximiliano (1467) | Won 2-0 | +181497 |
| 7standard | 197 | Castillo, Marcos (1454) | Lost 1-2 | -191478 |
| 8standard | 231 | Ubilla, Eduardo (1469) | Lost 0-0 | -181460 |
| 9standard | 217 | Oyarzun, Julio Cesar (1391) | Won 2-0 | +171477 |
| top | average opponent: 1456record: 4-5 | new rating: 1477 | ||