Herring, Walker
Current rating: 1474
Record: 14-17-1
| Grand Prix Phoenix 2020 (pioneer) | starting rating: 1469 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 201 | Blanchard, Noah (1361) | Won 2-0 | +161485 |
| 2pioneer | 43 | Candreva, Christopher (1930) | Lost 0-2 | -101475 |
| 3pioneer | 383 | Gardner, Josh (1447) | Lost 1-2 | -191456 |
| 4pioneer | 384 | Sedano, Edwin (1461) | Won 2-1 | +181474 |
| 5pioneer | 351 | Shah-Jones, Hugo (1475) | Won 2-1 | +181492 |
| 6pioneer | 270 | Hammes, James (1479) | Lost 0-2 | -181474 |
| 7pioneer | 243 | Sublett, James (1440) | Lost 0-2 | -191455 |
| 8pioneer | 193 | Shirley, Michael (1478) | Won 2-1 | +191474 |
| top | average opponent: 1509record: 4-4 | new rating: 1474 | ||
| Grand Prix Denver 2017 (HOU standard) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 189 | Kelley, Joshua (1532) | Won 2-1 | +191501 |
| 2standard | 173 | Dillard, Zachary (1522) | Lost 1-2 | -181483 |
| 3standard | 382 | Mabee, Xavier (1500) | Won 2-0 | +191502 |
| 4standard | 285 | Lynch, Ben (1582) | Lost 0-2 | -171485 |
| 5standard | 295 | Morales, Tomas (1503) | Lost 0-2 | -181467 |
| 6standard | 360 | Pettit, Brian (1483) | Won 2-1 | +191486 |
| 7standard | 385 | Gallegos, Chris (1504) | Lost 0-2 | -181468 |
| 8standard | 326 | Caudle, Mitch (1474) | Won 2-0 | +181486 |
| 9standard | 255 | Gulick, Kory (1539) | Lost 0-2 | -171469 |
| top | average opponent: 1515record: 4-5 | new rating: 1469 | ||
| Grand Prix Omaha 2017 (AKH standard) | starting rating: 1475 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 108 | Herod, Jim (1481) | Won 2-0 | +191494 |
| 2standard | 157 | Quinn, Jeremy (1681) | Won 2-1 | +211515 |
| 3standard | 158 | Lange, Mason (1626) | Lost 1-2 | -161499 |
| 4standard | 228 | Sounakhen, Saxon (1519) | Won 2-0 | +181517 |
| 5standard | 138 | Rainforth, Chandler (1543) | Draw 1-1 | +11518 |
| 6standard | 111 | Jenkins, Jason (1553) | Lost 0-2 | -181500 |
| 7standard | 178 | Dorian, Tevan (1436) | Won 2-0 | +171517 |
| 8standard | 128 | Dunkin, Rocky (1525) | Lost 1-2 | -181499 |
| 9standard | 171 | Wilhelm, Thomas (1536) | Lost 1-2 | -171482 |
| top | average opponent: 1544record: 4-4-1 | new rating: 1482 | ||
| Grand Prix Denver 2016 (KLD standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 71 | Bedell, Rodney (1621) | Lost 1-2 | -161484 |
| 4standard | 219 | Meins, Cody (1519) | Won 2-1 | +191503 |
| 5standard | 272 | Gottstein, Jeff (1681) | Lost 0-0 | -151488 |
| 6standard | 397 | Guggemos, Jim (1524) | Won 2-1 | +191507 |
| 7standard | 303 | Davalos, Dante (1735) | Lost 1-2 | -141493 |
| 8standard | 395 | Nelson, Colleen (1530) | Lost 1-2 | -181475 |
| top | average opponent: 1601record: 2-4 | new rating: 1475 | ||