Okazaki, Yohei
Current rating: 1489
Record: 4-5
| Grand Prix Costa Rica 2016 (SOI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 114 | Villalta Quiros, Mario Alfonso (1500) | Lost 0-2 | -181482 |
| 2standard | 124 | Iramain, Jorge (1675) | Lost 0-2 | -151467 |
| 3standard | 210 | Rodriguez, Jose [CRI] (1465) | Won 2-0 | +181485 |
| 4standard | 202 | Ashcraft, David (1322) | Won 2-1 | +151500 |
| 5standard | 173 | Gottlieb, Bryan (1982) | Lost 0-2 | -91491 |
| 6standard | 183 | Cascante, Jose (1485) | Lost 0-2 | -181473 |
| 7standard | 183 | Carvajal Martinez, Jorge (1440) | Won 2-0 | +171490 |
| 8standard | 168 | Chan Choi, Louis (1482) | Lost 0-2 | -181472 |
| 9standard | 156 | Donnelly, Neal (1446) | Won 2-1 | +171489 |
| average opponent: 1533record: 4-5 | new rating: 1489 | |||