Guzman, Ben Erik
Current rating: 1482
Record: 5-6
| Grand Prix Singapore 2013 (RTR limited) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 133 | Ong, Quan Yi (1482) | Lost 1-2 | -181502 |
| 2sealed | 290 | Goh, Jensen (1484) | Lost 0-2 | -191483 |
| 3sealed | 359 | Tan, Rowena (1410) | Won 2-1 | +171500 |
| 4sealed | 336 | Tan, Xing Jian (1482) | Lost 0-2 | -181482 |
| average opponent: 1464record: 1-3 | new rating: 1482 | |||
| Grand Prix Manila 2010 (ROE standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 209 | Bartolome, Arvin (1522) | Won 2-1 | +181518 |
| 2standard | 42 | Recalde, Fortunato (1518) | Won 2-1 | +181536 |
| 3standard | 79 | Ramirez, Bryan Allen (1518) | Lost 0-2 | -181518 |
| 4standard | 208 | Guerrero, Raphael (1503) | Won 2-1 | +181536 |
| 5standard | 69 | Vallesteros, Jason (1539) | Lost 0-2 | -181518 |
| 6standard | 170 | Manansala, Jeffrey (1518) | Won 2-0 | +181536 |
| 7standard | 185 | Zhang, Zhiyang (1676) | Lost 1-2 | -161520 |
| average opponent: 1542record: 4-3 | new rating: 1520 | |||