Lao, Songjian
Current rating: 1545
Record: 19-16-2
| Grand Prix Hong Kong 2018 (modern) | starting rating: 1608 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 187 | Zhou, Haoquan (1548) | Lost 0-2 | -191589 |
| 2modern | 298 | Chan, To (1460) | Won 2-0 | +161605 |
| 3modern | 269 | Feng, Da (1562) | Lost 0-2 | -191586 |
| 4modern | 390 | Alivio, Ramon (1596) | Won 2-1 | +181604 |
| 5modern | 237 | Liang, Jiaqi (1500) | Lost 0-2 | -201584 |
| 6modern | 284 | Chu, Siu Lun (1482) | Lost 0-2 | -191565 |
| 7modern | 322 | Chu, Peter (1484) | Lost 0-2 | -201545 |
| top | average opponent: 1519record: 2-5 | new rating: 1545 | ||
| Grand Prix Guangzhou 2016 (modern) | starting rating: 1576 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 1078 | Chia, Evan En Yao (1516) | Lost 1-2 | -191557 |
| 4modern | 150 | Johnson, Patrick 2 (1563) | Won 2-0 | +181575 |
| 5modern | 89 | Wa, Ho (1548) | Won 2-1 | +171592 |
| 6modern | 64 | Xie, Zikai (1565) | Lost 0-2 | -181574 |
| 7modern | 61 | Depa, Michael (1505) | Won 2-1 | +161590 |
| 8modern | 29 | Bang, Sangmun (1567) | Won 2-1 | +181608 |
| 9modern | 31 | Zhou, Zhiqi (1558) | Lost 0-2 | -191589 |
| 10modern | 109 | Li, Junyu (1616) | Won 2-1 | +191608 |
| 11modern | 47 | Chong, Edwin (1616) | Won 2-1 | +181626 |
| 12modern | 43 | Hai, Xia (1487) | Won 2-0 | +151641 |
| 13modern | 41 | Wen, Lihua (1617) | Draw 1-1 | 01641 |
| 14modern | 33 | Feng, Wei (1722) | Lost 1-2 | -171624 |
| 15modern | 52 | Lu, Pengjie (1739) | Lost 1-2 | -161608 |
| top | average opponent: 1586record: 7-5-1 | new rating: 1608 | ||
| Grand Prix Shanghai 2015 (DTK standard) | starting rating: 1585 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 97 | Shao, Tong (1428) | Lost 0-0 | -211564 |
| 3standard | 294 | She, Liqian (1464) | Won 2-0 | +171581 |
| 4standard | 161 | Zheng, Yaobo (1503) | Won 2-0 | +161597 |
| 5standard | 70 | Wu, Xiaopeng (1561) | Won 2-1 | +171614 |
| 6standard | 115 | Tada, Mitsuhiro (1581) | Lost 0-2 | -181596 |
| 7standard | 160 | Lee, Harrison (1523) | Lost 1-2 | -191577 |
| 8standard | 198 | Dadyko, Alexander (1525) | Lost 0-2 | -191558 |
| 9standard | 231 | Lu, Yin (1559) | Won 2-1 | +181576 |
| top | average opponent: 1518record: 4-4 | new rating: 1576 | ||
| Grand Prix Beijing 2014 (BNG standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 127 | Zhang, Cheng (1500) | Won 2-0 | +181518 |
| 2standard | 38 | Kong, Chong Teng (1794) | Won 2-0 | +231541 |
| 3standard | 147 | Zhang, Tianyi (1503) | Draw 1-1 | -11540 |
| 4standard | 133 | Li, Wenke (1559) | Won 2-0 | +191559 |
| 5standard | 59 | Chan, Tiago (1967) | Won 2-1 | +251584 |
| 6standard | 33 | Sui, Dong (1664) | Won 2-0 | +191603 |
| 7standard | 18 | Wang, Shilong (1569) | Lost 1-2 | -191584 |
| 8standard | 53 | Li, Wei (1578) | Won 2-0 | +181602 |
| 9standard | 33 | Gao, Yan (1650) | Lost 0-2 | -171585 |
| top | average opponent: 1643record: 6-2-1 | new rating: 1585 | ||