Nelson, David
Current rating: 1411
| Grand Prix Kansas City 2019 (WAR standard) | starting rating: 1443 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 271 | Miley, Zachary (1500) | Lost 0-2 | -171426 |
| 2standard | 281 | Luehrs, Shawn (1481) | Lost 1-2 | -171409 |
| 3standard | 386 | Romick, Michael (1475) | Won 2-1 | +191428 |
| 4standard | 325 | Henson, James (1458) | Lost 0-0 | -171411 |
| top | average opponent: 1478record: 1-3 | new rating: 1411 | ||
| Grand Prix Houston 2016 (OGW standard) | starting rating: 1498 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 169 | Coleman, Chad (1500) | Lost 0-2 | -181480 |
| 2standard | 97 | Folse, Connor (1482) | Lost 0-2 | -181462 |
| 3standard | 773 | Seaman, Christopher (1490) | Won 2-0 | +191481 |
| 4standard | 802 | Mejias-Mariani, Connor (1481) | Won 2-0 | +181499 |
| 5standard | 627 | Masterson, Evan (1499) | Lost 0-2 | -181481 |
| 6standard | 662 | Harris, Keith (1447) | Lost 0-2 | -191462 |
| 7standard | 611 | Benson, Austin (1422) | Lost 0-2 | -191443 |
| 8standard | 546 | Jorn, Tejan (1444) | Lost 1-2 | -181425 |
| 9standard | 463 | Segura, Marco (1393) | Won 2-0 | +181443 |
| top | average opponent: 1462record: 3-6 | new rating: 1443 | ||
| Grand Prix Lincoln 2012 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 148 | Boysen, Bill (1515) | Won 2-1 | +181518 |
| 2modern | 18 | Simon, Michael (1551) | Lost 0-2 | -171501 |
| 3modern | 251 | Monette, Daniel J (1500) | Won 2-0 | +181519 |
| 4modern | 157 | Janssen, Phillip J (1530) | Lost 0-2 | -181501 |
| 5modern | 264 | Duncan, Duncan J (1501) | Won 2-1 | +181519 |
| 6modern | 140 | Griffith, Cole (1356) | Lost 1-2 | -211498 |
| top | average opponent: 1492record: 3-3 | new rating: 1498 | ||