Chimg Chen, Kin Jong
Current rating: 1498
Record: 3-3-1
| Grand Prix Costa Rica 2012 (M13 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 59 | Habada, Michael (1500) | Won 2-0 | +181518 |
| 3sealed | 119 | Gonzales, Adrian (1482) | Lost 0-2 | -191499 |
| 4sealed | 144 | Espinoza, Daube (1464) | Lost 0-2 | -181481 |
| 5sealed | 154 | Chavarria, Carlos (1482) | Won 2-0 | +181499 |
| 6sealed | 128 | Villalobos, Ronaldo (1506) | Won 2-0 | +181517 |
| 7sealed | 92 | Chung, Steven (1491) | Draw 1-1 | -11516 |
| 8sealed | 87 | Montero, Francisco (1517) | Lost 0-2 | -181498 |
| average opponent: 1492record: 3-3-1 | new rating: 1498 | |||