Castagnet, Calvin
Current rating: 1446
Record: 2-5-1
| Grand Prix Buenos Aires 2015 (DTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 203 | Gentile, Francisco (1531) | Lost 0-2 | -171483 |
| 2standard | 234 | Reyes, Fernando Gabriel (1426) | Draw 1-1 | -11482 |
| 3standard | 289 | Klecha, Pablo (1467) | Won 2-0 | +171499 |
| 4standard | 225 | Ober, Joaquin (1530) | Won 2-1 | +191518 |
| 5standard | 152 | Giudice, Ariel (1490) | Lost 0-1 | -191499 |
| 6standard | 211 | Murias, Mateo (1502) | Lost 0-2 | -181481 |
| 7standard | 203 | Taberna, Rodrigo (1475) | Lost 0-2 | -181463 |
| 8standard | 187 | Sobrero, Cesar Enrique (1484) | Lost 0-2 | -171446 |
| average opponent: 1488record: 2-5-1 | new rating: 1446 | |||