Choo, Li Boon Joel
Current rating: 1484
| Grand Prix Singapore 2015 (modern) | starting rating: 1455 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 81 | Holtzman, Paul (1572) | Lost 0-2 | -161439 |
| 2modern | 280 | De Mesa, Vincent (1486) | Won 2-0 | +191458 |
| 3modern | 391 | Francisco, Joseph (1525) | Won 2-1 | +191477 |
| 4modern | 314 | Kai Seng, Kou (1514) | Lost 1-2 | -171460 |
| 5modern | 340 | Cahya, Rio (1556) | Won 2-0 | +201480 |
| 6modern | 206 | Sito, Yong Kang (1517) | Won 2-0 | +181498 |
| 7modern | 161 | Toh, Jin Shuen (1637) | Lost 1-2 | -151483 |
| 8modern | 179 | Low, Wei Chern (1529) | Lost 1-2 | -171466 |
| 9modern | 246 | Lim, Janan (1500) | Won 2-0 | +181484 |
| top | average opponent: 1537record: 5-4 | new rating: 1484 | ||
| Grand Prix Hong Kong 2013 (THS limited) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 97 | Camangon, Gerald (1864) | Won 2-0 | +251471 |
| 2sealed | 73 | An, Jing (1499) | Won 2-0 | +181489 |
| 3sealed | 48 | Fung, Ho Yin (1535) | Lost 1-2 | -171472 |
| 4sealed | 277 | Ho, Kenji (1518) | Lost 0-2 | -171455 |
| top | average opponent: 1604record: 2-2 | new rating: 1455 | ||
| Grand Prix Singapore 2013 (RTR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 131 | Loke, Jun Yin (1452) | Lost 0-2 | -191481 |
| 2sealed | 253 | Wang, Eng Pheng (1489) | Lost 1-2 | -181463 |
| 3sealed | 319 | Yeong, Jiun Weng Jackie (1464) | Won 2-0 | +181481 |
| 4sealed | 313 | Poh, Seng Ho Plytrx (1427) | Lost 1-2 | -191462 |
| 5sealed | 344 | Matias, Jo-Dale G (1532) | Lost 0-2 | -161446 |
| top | average opponent: 1473record: 1-4 | new rating: 1446 | ||