Huanca, Juan Roberto
Current rating: 1399
Record: 4-10-1
| Grand Prix Buenos Aires 2008 (SHM standard) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 119 | Quijada Bahamondes, Alejandro (1500) | Lost 0-2 | -171429 |
| 2standard | 218 | Vincenti, Pablo (1482) | Lost 0-2 | -171412 |
| 3standard | 240 | MALVE, SEBASTIAN (1464) | Lost 0-2 | -171395 |
| 4standard | 270 | CARUGATI, IVO (1445) | Won 2-0 | +191414 |
| 5standard | 249 | DESTEFANO, CRISTIAN (1464) | Lost 0-2 | -171397 |
| 6standard | 231 | Hsieh, Yu Shiang (1446) | Won 2-0 | +191416 |
| 7standard | 190 | VARGAS, JUAN MANUEL (1464) | Lost 0-2 | -171399 |
| 8standard | 168 | Abou Adal, Pablo (1402) | Draw 1-1 | 01399 |
| average opponent: 1458record: 2-5-1 | new rating: 1399 | |||
| Grand Prix Buenos Aires 2000 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 28 | Bazzi, Ezequiel (1500) | Lost 0-2 | -181482 |
| 2extended | 97 | Collado, Brian (1482) | Lost 0-2 | -181464 |
| 3extended | 129 | BOGOMOLNY, FERNANDO (1464) | Lost 1-2 | -181446 |
| 4extended | 151 | Sugasti, Miguel Angel (1446) | Won 2-1 | +181464 |
| 5extended | 123 | MATTEASSI, VICTOR (1464) | Lost 0-2 | -181446 |
| 6extended | 140 | Bourre, Bryan (1446) | Won 2-1 | +181464 |
| 7extended | 113 | Gaibisso, Martin (1463) | Lost 0-2 | -181446 |
| average opponent: 1466record: 2-5 | new rating: 1446 | |||