Brenes D, Alexey
Current rating: 1516
Record: 4-3
| Grand Prix Costa Rica 2012 (M13 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 120 | Gomez, Fabian (1500) | Won 2-1 | +181518 |
| 3sealed | 97 | Gonzalez, Emanuel (1482) | Lost 1-2 | -191499 |
| 4sealed | 140 | Mom, Joseph (1482) | Lost 0-2 | -181481 |
| 5sealed | 146 | Molina B, Jose (1482) | Won 2-0 | +181499 |
| 6sealed | 127 | Rojas, Alejandro (1499) | Won 2-0 | +181517 |
| 7sealed | 85 | Fournier, Alejandro (1515) | Won 2-1 | +181535 |
| 8sealed | 58 | Castillo, Javier E (1503) | Lost 1-2 | -191516 |
| average opponent: 1495record: 4-3 | new rating: 1516 | |||