Zhang, Richard
Current rating: 1459
| Grand Prix Columbus 2019 (modern) | starting rating: 1472 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 81 | Knezovich, Kyle (1500) | Lost 1-2 | -171455 |
| 2modern | 220 | Wolfe, Morgan (1482) | Won 2-0 | +181473 |
| 3modern | 157 | Vincik, Adam (1523) | Won 2-0 | +191492 |
| 4modern | 90 | Martin, Bob (1657) | Lost 0-2 | -151477 |
| 5modern | 190 | Thompson, Nicholas (1497) | Lost 0-2 | -181459 |
| top | average opponent: 1532record: 2-3 | new rating: 1459 | ||
| Grand Prix Vancouver 2018 (UMA limited) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 313 | Newton, Joshua (1595) | Lost 0-2 | -151466 |
| 2sealed | 273 | Oratz, Josh (1776) | Lost 0-2 | -131453 |
| 3sealed | 392 | Mclellan, Alastair (1469) | Won 2-0 | +181471 |
| 4sealed | 309 | Percy, Thomas (1482) | Won 2-0 | +181489 |
| 5sealed | 304 | Rolfe-Maloney, Justin (1518) | Lost 0-2 | -171472 |
| top | average opponent: 1568record: 2-3 | new rating: 1472 | ||
| Grand Prix Washington DC 2010 (ROE standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 645 | King, Jeremy (1515) | Won 2-0 | +181518 |
| 2standard | 654 | Chevrette, Paul R (1518) | Lost 0-2 | -181500 |
| 3standard | 810 | Sutton, Christopher (1455) | Lost 1-2 | -191481 |
| 4standard | 1008 | Johnson, Jamie R (1482) | Won 2-0 | +181499 |
| 5standard | 864 | Bart, Mitchael (1501) | Lost 0-2 | -181481 |
| top | average opponent: 1494record: 2-3 | new rating: 1481 | ||