Nienhaus, Matthew
Current rating: 1510
Record: 6-6
| Grand Prix Kansas City 2019 (WAR standard) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 209 | BeVirt, Tomas (1500) | Won 2-1 | +181482 |
| 2standard | 172 | Addison, Sarah (1518) | Won 2-0 | +191501 |
| 3standard | 1 | Sounakhen, Saxon (1644) | Lost 1-2 | -151486 |
| 4standard | 99 | Meissner, Greg (1542) | Lost 0-0 | -171469 |
| 5standard | 217 | Pipes, Kyle (1500) | Won 2-1 | +181487 |
| 6standard | 206 | Lutes, Tyler (1504) | Lost 1-2 | -171470 |
| 7standard | 177 | Bresett, John (1728) | Won 2-1 | +221492 |
| 8standard | 122 | Fox, David (1486) | Won 2-0 | +181510 |
| average opponent: 1553record: 5-3 | new rating: 1510 | |||
| Grand Prix Atlanta 2017 (XLN standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 234 | Miller, Terrance (1500) | Lost 0-2 | -181482 |
| 2standard | 358 | Sims, Justin (1481) | Won 2-1 | +181500 |
| 3standard | 310 | Quigley, Tom (1492) | Lost 0-2 | -181482 |
| 4standard | 500 | Davis, Matthew 2 (1478) | Lost 1-2 | -181464 |
| average opponent: 1488record: 1-3 | new rating: 1464 | |||