Pearson, Ritch
Current rating: 1668
| Grand Prix Sacramento 2018 (M19 limited) | starting rating: 1634 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 145 | Reidenbaugh, Benjamin (1429) | Won 2-0 | +141648 |
| 2sealed | 96 | Haynes, Derek (1515) | Won 2-1 | +161664 |
| 3sealed | 116 | Simmons, Christopher (1458) | Won 2-0 | +141678 |
| 4sealed | 68 | Ragsdale, Adam (1899) | Won 2-0 | +221700 |
| 5sealed | 62 | Garcia-Romo, Andy (1758) | Lost 1-2 | -171683 |
| 6sealed | 152 | Jones, Christian (1532) | Won 2-0 | +151698 |
| 7sealed | 44 | Budorick, John (1574) | Won 2-1 | +161714 |
| 8sealed | 29 | Gellis, Dylan (1684) | Lost 0-2 | -191695 |
| 9sealed | 44 | Scheid, Daniel (1725) | Lost 0-2 | -171678 |
| 10draft | 91 | Miller, Kyle2954 (1772) | Lost 1-2 | -161662 |
| 11draft | 44 | Loy, Cody (1551) | Lost 1-2 | -201642 |
| 12draft | 91 | Ni, Jay (1452) | Won 2-1 | +141656 |
| 13draft | 48 | Nelson, Colleen (1546) | Won 2-0 | +161672 |
| 14draft | 40 | Kogen, Eric (1563) | Lost 1-2 | -201652 |
| 15draft | 17 | Garrison, Christopher (1547) | Won 2-1 | +161668 |
| top | average opponent: 1600record: 9-6 | new rating: 1668 | ||
| Grand Prix Las Vegas 2017 (limited) (AKH limited) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 232 | Thomas, David (1678) | Won 2-1 | +211542 |
| 4sealed | 216 | Zandi, Jeff (1521) | Won 2-1 | +181560 |
| 5sealed | 23 | Almeida, Marcela (1600) | Won 2-0 | +181578 |
| 6sealed | 52 | Tan, Richard (2032) | Lost 0-2 | -101568 |
| 7sealed | 189 | Zelaya, Martin (1480) | Lost 1-2 | -201548 |
| 8sealed | 171 | Huang, Hao-Shan (1937) | Won 2-0 | +251573 |
| 9sealed | 149 | Viniczai, Tibor (1693) | Won 2-1 | +201593 |
| 10draft | 281 | Alvarado Picazo, Arturo (1582) | Won 2-0 | +181611 |
| 11draft | 82 | Porter, Martin (1647) | Lost 1-2 | -171594 |
| 12draft | 124 | Dains, Dillon (1575) | Won 2-1 | +171611 |
| 13draft | 210 | Catterson, Matthew (1654) | Lost 0-2 | -171594 |
| 14draft | 193 | Nolen, Lauren (1832) | Won 2-0 | +231617 |
| 15draft | 134 | Tillotson, Kenneth (1567) | Won 2-0 | +171634 |
| top | average opponent: 1677record: 9-4 | new rating: 1634 | ||
| Grand Prix San Jose 2017 (AER limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 375 | Royal, Todd (1500) | Won 2-0 | +181518 |
| 2sealed | 119 | Yeakle, Riley (1516) | Won 2-1 | +181536 |
| 3sealed | 130 | Arcuni, Philip (1648) | Lost 0-2 | -161520 |
| 4sealed | 82 | Pasibe-Merejil, Marlena May (1603) | Won 2-0 | +201540 |
| 5sealed | 144 | Altamirano, Nick (1512) | Won 2-1 | +171557 |
| 6sealed | 148 | Goeke-Munch, James (1568) | Lost 1-2 | -181539 |
| 7sealed | 195 | Brewster, Aaron (1542) | Lost 1-2 | -181521 |
| 8sealed | 328 | Cook, Jacob (1509) | Won 2-1 | +181539 |
| 9sealed | 325 | Raus, Will (1543) | Lost 1-2 | -181521 |
| top | average opponent: 1549record: 5-4 | new rating: 1521 | ||