Quesada Valverde, Kelvin
Current rating: 1488
Record: 4-5
| Grand Prix Costa Rica 2016 (SOI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 90 | Hernandez, Cristian (1500) | Won 2-0 | +181518 |
| 2standard | 29 | Coto Grosser, Daniel (1564) | Lost 0-2 | -171501 |
| 3standard | 174 | Tavera, Jorge (1558) | Won 2-1 | +191520 |
| 4standard | 148 | Vargas Arrieta, Esteban (1519) | Lost 0-2 | -181502 |
| 5standard | 150 | Feil, Derek (1688) | Lost 1-2 | -151487 |
| 6standard | 194 | Piedra, Arturo (1483) | Won 2-0 | +181505 |
| 7standard | 171 | Madrigal, Carlos (1515) | Won 2-0 | +181523 |
| 8standard | 101 | Ro, Alan (1518) | Lost 1-2 | -181505 |
| 9standard | 124 | Paz, Juan (1564) | Lost 0-2 | -171488 |
| average opponent: 1546record: 4-5 | new rating: 1488 | |||