Campbell, Humberto
Current rating: 1533
Record: 8-7
| Grand Prix Costa Rica 2016 (SOI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 110 | Rodriguez Chavez, Rodrigo (1444) | Won 2-1 | +171517 |
| 2standard | 65 | Sanchez Saborio, Gregory (1516) | Won 2-0 | +181535 |
| 3standard | 104 | Syed, Zan (1940) | Won 2-0 | +251560 |
| 4standard | 34 | Simon, Michael (1697) | Lost 1-2 | -161544 |
| 5standard | 61 | Sifuentes, Francisco (1595) | Lost 1-2 | -171527 |
| 6standard | 119 | Larratta, Leonard (1560) | Lost 0-2 | -171510 |
| 7standard | 164 | Sanchez, Eduardo (1470) | Won 2-1 | +171527 |
| 8standard | 106 | Mena, Javier (1544) | Won 2-0 | +191546 |
| 9standard | 69 | Solano Cantillo, Jorge Luis (1590) | Won 2-0 | +181564 |
| 10standard | 61 | Arrea, Jose (1571) | Lost 1-2 | -181546 |
| 11standard | 63 | Martinez Rosas, Juan Carlos (1529) | Won 2-1 | +181564 |
| 12standard | 44 | Naidu, Akash (1718) | Lost 0-2 | -151549 |
| 13standard | 68 | Wight, Lawrence (1558) | Lost 0-0 | -181531 |
| 14standard | 68 | Amador, Eduardo (1527) | Won 2-1 | +181549 |
| 15standard | 60 | Bedsole, Hayden (1664) | Lost 0-2 | -161533 |
| average opponent: 1595record: 8-7 | new rating: 1533 | |||