Ceballo, Alfredo
Current rating: 1499
Record: 3-4
| Grand Prix Costa Rica 2016 (SOI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 85 | Hernandez Rodriguez, Victor Manuel (1506) | Won 2-0 | +181518 |
| 4standard | 1 | Matousek, Pavel (1852) | Won 2-1 | +241542 |
| 5standard | 10 | Watanabe, Yuuya (2184) | Lost 0-2 | -81534 |
| 6standard | 34 | Nunez Mora, Rodolfo (1532) | Lost 1-2 | -181516 |
| 7standard | 79 | Solano, Geancarlo (1541) | Lost 0-2 | -171499 |
| 8standard | 109 | Poblete, Juan Ignacio (1504) | Won 2-1 | +181517 |
| 9standard | 78 | Wright, Christopher (1509) | Lost 0-2 | -181499 |
| average opponent: 1661record: 3-4 | new rating: 1499 | |||