Zheng, Xin
Current rating: 1393
Record: 4-11
| Regional Championships Shanghai 2023 (pioneer) | starting rating: 1477 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 53 | Yan, Bin 1 (1474) | Lost 1-2 | -181459 |
| 2pioneer | 91 | Da, Jiawei (1717) | Lost 0-2 | -131446 |
| 3pioneer | 86 | Wei, Guowei (1416) | Lost 0-2 | -191427 |
| 4pioneer | 91 | Dong, Yue (1438) | Lost 0-2 | -181409 |
| 5pioneer | 83 | wenyu, guo (1432) | Won 2-0 | +191428 |
| 6pioneer | 74 | Yu, Yanzhen (1454) | Lost 0-2 | -181410 |
| 7pioneer | 66 | chen, ruoxi (1448) | Lost 1-2 | -171393 |
| average opponent: 1483record: 1-6 | new rating: 1393 | |||
| Regional Championships Beijing 2023 (ONE standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 34 | Fan, Yiduo (1585) | Lost 0-2 | -161484 |
| 2standard | 49 | Yu, Hao (1357) | Won 2-0 | +151499 |
| 3standard | 27 | Shu, Yulong (1502) | Lost 1-2 | -181481 |
| 4standard | 42 | Xie, Zhan (1738) | Won 2-1 | +231504 |
| 5standard | 30 | Yang, Jun Le (1501) | Lost 1-2 | -181486 |
| 6standard | 44 | Zhang, Bolun (2078) | Won 2-1 | +271513 |
| 7standard | 30 | Liu, Qingyuan (1509) | Lost 1-2 | -181495 |
| 8standard | 40 | Sun, Yixin (1476) | Lost 1-2 | -181477 |
| average opponent: 1593record: 3-5 | new rating: 1477 | |||