Barrantes, Jose
Current rating: 1431
| Grand Prix Las Vegas 2017 (limited) (AKH limited) | starting rating: 1430 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 338 | Zelick, Aaron (1599) | Lost 0-2 | -151415 |
| 4sealed | 397 | Varady, Balazs (1540) | Lost 1-2 | -161399 |
| 5sealed | 792 | Cote, Robert (1453) | Won 2-0 | +191418 |
| 6sealed | 370 | England, Jack (1743) | Lost 1-2 | -121406 |
| 7sealed | 534 | Barrus, Travis (1503) | Won 2-0 | +201426 |
| 8sealed | 361 | Mermelshtayn, Joe (1550) | Won 2-0 | +201446 |
| 9sealed | 282 | Slagel, Jack (1604) | Lost 0-2 | -151431 |
| top | average opponent: 1570record: 3-4 | new rating: 1431 | ||
| Grand Prix Rimini 2013 (M14 limited) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 114 | Stadlbauer, Leopold (1458) | Lost 0-2 | -191464 |
| 2sealed | 292 | Sassoli, Simone (1468) | Lost 0-2 | -181446 |
| 3sealed | 414 | Jacko, Robert (1544) | Lost 1-2 | -161430 |
| top | average opponent: 1490record: 0-3 | new rating: 1430 | ||
| Grand Prix Costa Rica 2012 (M13 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 130 | Cato, Andres (1500) | Won 2-0 | +181518 |
| 3sealed | 10 | Gonzalez, Amed (1518) | Lost 0-2 | -181500 |
| 4sealed | 63 | Brenes Rojas, Marco (1500) | Won 2-0 | +181518 |
| 5sealed | 25 | Lee, Alex (1548) | Lost 1-2 | -171501 |
| 6sealed | 75 | Aguilar, Fernando (1501) | Lost 1-2 | -181483 |
| top | average opponent: 1513record: 2-3 | new rating: 1483 | ||