Tjiptahardja, Ryan
Current rating: 1475
Record: 6-8
| Grand Prix Singapore 2018 (DOM standard) | starting rating: 1507 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 75 | Simpao, Starry (1523) | Lost 0-2 | -171490 |
| 2standard | 213 | Tjandra, Denver (1480) | Lost 0-2 | -191471 |
| 3standard | 304 | Jones, Chris [AUS] (1459) | Won 2-1 | +181489 |
| 4standard | 311 | Yaw, Kevin Terng Chi (1487) | Won 2-0 | +181507 |
| 5standard | 209 | Graham, Aaron [AUS] (1685) | Lost 1-2 | -151492 |
| 6standard | 257 | Yew, Khang Wea (1546) | Lost 0-2 | -171475 |
| average opponent: 1530record: 2-4 | new rating: 1475 | |||
| Grand Prix Singapore 2017 (XLN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 138 | Kwan, Mhadi Wiratama (1500) | Lost 1-2 | -181482 |
| 2sealed | 163 | Lee, Bruce (1382) | Won 2-1 | +161498 |
| 3sealed | 192 | Teoh, Ian (1587) | Won 2-1 | +201518 |
| 4sealed | 132 | Hamidon, Mohamad Hafiz (1544) | Lost 0-2 | -181500 |
| 5sealed | 158 | Foe, Agustinus (1512) | Won 2-1 | +181518 |
| 6sealed | 95 | Ong Kit Teck, Bryan (1527) | Won 2-1 | +191537 |
| 7sealed | 505 | Zhang, Yang Da (1499) | Lost 0-2 | -191518 |
| 8sealed | 146 | McNeace, Shawn (1940) | Lost 0-2 | -111507 |
| average opponent: 1561record: 4-4 | new rating: 1507 | |||