Herrera Chandia, Humberto
Current rating: 1327
Record: 2-12
| Grand Prix Santiago 2017 (AKH standard) | starting rating: 1429 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 8 | Witt, Walter (1532) | Lost 0-2 | -161413 |
| 2standard | 203 | Morales, Ricardo (1361) | Lost 0-2 | -191394 |
| 3standard | 316 | Vasquez, Alejandro (1444) | Lost 0-2 | -171377 |
| 4standard | 337 | Fernandez Espinoza, Felipe (1431) | Lost 0-2 | -171360 |
| 5standard | 344 | Carrasco, Juan (1428) | Lost 1-2 | -171343 |
| 6standard | 327 | Martinez F, Ricardo (1404) | Lost 1-2 | -171326 |
| 7standard | 305 | Lara, Rodrigo (1313) | Lost 1-2 | -181308 |
| 8standard | 270 | Ramos, Jose (1409) | Won 2-1 | +191327 |
| average opponent: 1415record: 1-7 | new rating: 1327 | |||
| Grand Prix Santiago 2016 (KLD standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 108 | Huerta Gonzalez, Miguel (1599) | Lost 1-2 | -161484 |
| 3standard | 219 | Silva Busato, Paulo Victor (1499) | Won 2-1 | +181502 |
| 4standard | 184 | Ricci, Caio (1351) | Lost 1-2 | -211481 |
| 5standard | 188 | Monsalve, Juan (1509) | Lost 1-2 | -171464 |
| 6standard | 248 | Guerrero, Marcelo (1505) | Lost 0-2 | -171447 |
| 7standard | 285 | Horn, Javier (1451) | Lost 0-2 | -181429 |
| average opponent: 1486record: 1-5 | new rating: 1429 | |||