Ishak, Irfan
Current rating: 1331
Record: 3-13
| Grand Prix Bangkok 2013 (DGM limited) | starting rating: 1381 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 299 | Wong, Times (1411) | Lost 0-2 | -181363 |
| 2sealed | 294 | Jirapongtrakul, Boonchai (1454) | Lost 1-2 | -161347 |
| 3sealed | 321 | Concepcion, Brian Laza (1464) | Lost 1-2 | -161331 |
| top | average opponent: 1443record: 0-3 | new rating: 1331 | ||
| Grand Prix Manila 2012 (AVR standard) | starting rating: 1427 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 243 | Rama, Philip Christopher (1556) | Lost 0-2 | -161411 |
| 2standard | 314 | Reyes, Arnold (1482) | Won 2-0 | +201431 |
| 3standard | 194 | Roxas, Richey (1465) | Lost 0-2 | -181413 |
| 4standard | 431 | Coscolluela, Erik (1539) | Lost 0-2 | -161397 |
| 5standard | 479 | Silverio, Veremi Rom S (1463) | Lost 1-2 | -161381 |
| top | average opponent: 1501record: 1-4 | new rating: 1381 | ||
| Grand Prix Singapore 2011 (NPH standard) | starting rating: 1479 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 129 | Seow, Chuan Jie (1465) | Lost 1-2 | -181461 |
| 2standard | 164 | Leong, Zhisheng (1524) | Lost 1-2 | -171444 |
| 3standard | 202 | Chai, Minji (1478) | Lost 0-2 | -171427 |
| top | average opponent: 1489record: 0-3 | new rating: 1427 | ||
| Grand Prix Kuala Lumpur 2010 (WWK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 1 | Sim, Kaiser (1430) | Won 2-1 | +171517 |
| 2standard | 98 | Akram, Imran (1446) | Lost 1-2 | -201497 |
| 3standard | 126 | Chua, Khian Hong (1503) | Lost 1-2 | -171480 |
| 4standard | 174 | Yap, San Hian Reagan (1482) | Won 2-0 | +181498 |
| 5standard | 194 | Wong, Matthew [MYS] (1488) | Lost 0-1 | -191479 |
| top | average opponent: 1470record: 2-3 | new rating: 1479 | ||