Grommeck, Juan
Current rating: 1523
Record: 4-3-1
| Grand Prix Buenos Aires 2015 (DTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 167 | Paletta, Lucas (1707) | Lost 0-2 | -141486 |
| 2standard | 273 | Monti, Cristian (1481) | Draw 1-1 | 01486 |
| 3standard | 280 | Tort, Sebastian (1463) | Won 2-0 | +171503 |
| 4standard | 218 | Pizarro, Eduardo (1509) | Won 2-0 | +181521 |
| 5standard | 139 | Metz, Joaquin (1535) | Lost 0-2 | -171504 |
| 6standard | 207 | Campos, Diego (1499) | Lost 0-1 | -191485 |
| 7standard | 205 | Caballero Perez, Miguel Angel (1481) | Won 2-0 | +181503 |
| 8standard | 163 | Lagos, Cristian (1607) | Won 2-1 | +201523 |
| average opponent: 1535record: 4-3-1 | new rating: 1523 | |||