Jamal, Johan
Current rating: 1464
Record: 11-15-1
| Grand Prix Singapore 2017 (XLN limited) | starting rating: 1457 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 22 | Wong, Jeremy [SGP] (1616) | Won 2-1 | +211478 |
| 2sealed | 69 | Sciesinski, Marcin (1571) | Won 2-0 | +191497 |
| 3sealed | 93 | Lim, Ting Yong (1541) | Lost 1-2 | -171480 |
| 4sealed | 161 | Wa, Ho (1462) | Won 2-0 | +181498 |
| 5sealed | 63 | Satou, Fumihiko (1675) | Lost 1-2 | -151483 |
| 6sealed | 106 | Yang, Hao-Wei (1752) | Lost 1-2 | -131470 |
| 7sealed | 145 | Sorakup, Aekarash (1750) | Won 2-0 | +231493 |
| 8sealed | 112 | Tan, Richmond (1631) | Lost 1-2 | -161477 |
| 9sealed | 509 | Samejima, Ippei (1738) | Lost 1-2 | -131464 |
| top | average opponent: 1637record: 4-5 | new rating: 1464 | ||
| Grand Prix Kuala Lumpur 2004 (5DN standard) | starting rating: 1431 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 66 | Lin, Ming Shian (1500) | Lost 0-2 | -171414 |
| 2standard | 77 | Chew, Beng (1481) | Lost 0-2 | -171397 |
| 3standard | 97 | Tee, Nicholas (1464) | Lost 0-2 | -161381 |
| 4standard | 122 | Ahmad Fouzi, Ahmad Fawwaz (1463) | Won 2-0 | +191400 |
| 5standard | 119 | Pang, Kin Ming Adrian (1464) | Won 2-1 | +191419 |
| 6standard | 106 | Kong, Adrian (1483) | Won 2-0 | +191438 |
| 7standard | 88 | Chan, Peng Joon (1452) | Won 2-0 | +191457 |
| top | average opponent: 1473record: 4-3 | new rating: 1457 | ||
| Grand Prix Singapore 2003 (LGN limited) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 31 | Aw, Jia Hao Edwin (1500) | Lost 1-2 | -171466 |
| 2sealed | 75 | Ong, Dun Chuan (1482) | Won 2-0 | +181484 |
| 3sealed | 79 | Chong, Kok Keong (1480) | Lost 0-2 | -181466 |
| 4sealed | 91 | Lim, Shun Lee Sam (1482) | Lost 1-2 | -181448 |
| 5sealed | 96 | Low, Meng Hum Simon (1482) | Lost 1-2 | -171431 |
| top | average opponent: 1485record: 1-4 | new rating: 1431 | ||
| Grand Prix Kuala Lumpur 2002 (TOR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 45 | Ahmad Aizuddin, Tun Pu (1500) | Won 2-0 | +181518 |
| 2sealed | 45 | Suriyaamtayavadee, Poramet (1518) | Won 2-0 | +181536 |
| 3sealed | 21 | Yii, Terh Kuen (1623) | Lost 0-2 | -161520 |
| 4sealed | 52 | Ooi, Meng Ou (1501) | Draw 1-1 | -11519 |
| 5sealed | 55 | Leong, Khai Loon (1518) | Lost 0-2 | -181501 |
| 6sealed | 73 | Balakrishnan, Sashi Kumar (1514) | Lost 0-2 | -181483 |
| top | average opponent: 1529record: 2-3-1 | new rating: 1483 | ||