Tang, Siu On
Current rating: 1481
Record: 5-6-1
| Grand Prix Nagoya 2019 (ELD standard) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 365 | Morita, Daishi (1536) | Won 2-1 | +181517 |
| 2standard | 299 | Yokoide, Yuuta (1398) | Won 2-1 | +161533 |
| 3standard | 74 | Moriyama, Yuu (1599) | Lost 0-2 | -161517 |
| 4standard | 481 | Kashiwazaki, Isamu (1532) | Lost 1-2 | -181499 |
| 5standard | 465 | Kaga, Hiroyuki (1502) | Lost 1-2 | -181481 |
| average opponent: 1513record: 2-3 | new rating: 1481 | |||
| Grand Prix Taipei 2016 (SOI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 158 | Wang, Dengke (1549) | Lost 1-2 | -171483 |
| 2standard | 154 | Tachibana, Korechika (1399) | Draw 1-1 | -21481 |
| 3standard | 326 | Chen, Bonn (1372) | Lost 0-2 | -201461 |
| 4standard | 345 | Chen, Steven (1486) | Won 2-1 | +191480 |
| 5standard | 303 | Shiu, Wen-Shiuan (1502) | Won 2-1 | +181498 |
| 6standard | 246 | Yashiki, Kouichi (1368) | Won 2-1 | +161514 |
| 7standard | 182 | Cheng, Wei Ting (1677) | Lost 0-2 | -151499 |
| average opponent: 1479record: 3-3-1 | new rating: 1499 | |||