Vacca, Ivan
Current rating: 1527
Record: 4-3
| Grand Prix Buenos Aires 2015 (DTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 41 | Polzatto, Caio C (1539) | Won 2-0 | +191519 |
| 4standard | 2 | Libonatti, Mariano (1543) | Lost 1-2 | -181501 |
| 5standard | 107 | Garcia, Martin (1605) | Won 2-1 | +201521 |
| 6standard | 23 | Guarienti De Oliveira, Bruno (1609) | Lost 1-2 | -161505 |
| 7standard | 122 | Cesa, Alejandro (1519) | Won 2-0 | +181523 |
| 8standard | 77 | Leveratto, Matias (1686) | Lost 1-2 | -151508 |
| 9standard | 94 | Muller, Gonzalo Javier (1589) | Won 2-0 | +191527 |
| average opponent: 1584record: 4-3 | new rating: 1527 | |||