Pearson, Joseph
Current rating: 1371
| Grand Prix Memphis 2019 (RNA standard) | starting rating: 1355 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 41 | Hill, Michael (1354) | Won 2-0 | +181373 |
| 2standard | 184 | Robinson, Randall (1455) | Won 2-1 | +191392 |
| 3standard | 207 | Swafford, Nathan (1579) | Lost 1-2 | -141378 |
| 4standard | 247 | Blankenship, Weston (1519) | Won 2-0 | +201398 |
| 5standard | 84 | Lutes, Tyler (1503) | Lost 0-2 | -161382 |
| 6standard | 260 | Hieronimus, James (1426) | Won 2-0 | +191401 |
| 7standard | 157 | Brown, Timothy (1511) | Lost 1-2 | -161385 |
| 8standard | 199 | Chaves, Rodrigo (1591) | Lost 1-2 | -141371 |
| top | average opponent: 1492record: 4-4 | new rating: 1371 | ||
| Grand Prix New Jersey 2019 (RNA limited) | starting rating: 1397 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 325 | Thayer, Nathan (1500) | Lost 0-2 | -161381 |
| 2sealed | 359 | Simmons, Billy (1432) | Lost 1-2 | -171364 |
| 3sealed | 662 | Brown, Milo (1447) | Lost 0-2 | -171347 |
| 5sealed | 541 | Barnabo, Collin (1414) | Lost 0-2 | -171330 |
| 6sealed | 246 | DeVault, Michael (1464) | Won 2-1 | +211351 |
| 7sealed | 398 | Dotson, Chris (1406) | Lost 0-2 | -171334 |
| 8sealed | 325 | Downing, Ian (1506) | Won 2-0 | +211355 |
| top | average opponent: 1453record: 2-5 | new rating: 1355 | ||
| Grand Prix Providence 2018 (M19 standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 10 | Stolow, Jonathan (1500) | Lost 1-2 | -181482 |
| 2standard | 182 | Nota, Al (1723) | Lost 0-2 | -141468 |
| 3standard | 307 | Leonard, Jeremy (1461) | Lost 1-2 | -181450 |
| 4standard | 335 | Zeppenfeld, Kevin (1451) | Lost 1-2 | -181432 |
| 5standard | 317 | Hall, Akira (1427) | Lost 1-2 | -181414 |
| 6standard | 286 | Brinton, Harrison (1446) | Won 2-0 | +191433 |
| 7standard | 236 | Garvey, Sean (1439) | Lost 0-2 | -181415 |
| 8standard | 204 | Whitehouse, Brian (1408) | Lost 0-2 | -181397 |
| top | average opponent: 1482record: 1-7 | new rating: 1397 | ||