Koh, Julian
Current rating: 1400
| Grand Prix Kuala Lumpur 2006 (DIS limited) | starting rating: 1452 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 74 | Loh, Boon Ping (1500) | Lost 0-2 | -171435 |
| 2sealed | 112 | Gun, Wai Kien (1430) | Lost 1-2 | -181417 |
| 4sealed | 125 | Gan, Jonathan (1464) | Lost 1-2 | -171400 |
| top | average opponent: 1465record: 0-3 | new rating: 1400 | ||
| Grand Prix Kuala Lumpur 2004 (5DN standard) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 3 | Ng, Kevin (1500) | Lost 0-2 | -171429 |
| 3standard | 66 | Yeo, Lee Chye (1468) | Won 2-1 | +191448 |
| 4standard | 74 | Koay, Arnold (1517) | Lost 1-2 | -171431 |
| 5standard | 99 | Zainuddin, Shamsul Bahrin (1482) | Lost 1-2 | -171414 |
| 6standard | 101 | Quah, Lik Yang Jordan (1483) | Won 2-1 | +191433 |
| 7standard | 76 | Loh, Ryan (1485) | Won 2-0 | +191452 |
| top | average opponent: 1489record: 3-3 | new rating: 1452 | ||
| Grand Prix Kuala Lumpur 2002 (TOR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 54 | Goff, Joe (1500) | Won 2-1 | +181518 |
| 2sealed | 7 | Singh, Suraj Prakash (1432) | Won 2-1 | +161534 |
| 3sealed | 24 | Rosdin, Razif (1500) | Lost 0-2 | -181516 |
| 4sealed | 43 | Lee, Jason Lay Boon (1618) | Lost 0-2 | -161500 |
| 5sealed | 65 | Sng, Jason Koon Yeow (1518) | Lost 0-2 | -181482 |
| 6sealed | 76 | Zainuddin, Shamsul Bahrin (1482) | Lost 1-2 | -181464 |
| 7sealed | 78 | Lee, Kerng Jieh (1480) | Lost 0-2 | -181446 |
| top | average opponent: 1504record: 2-5 | new rating: 1446 | ||