Jones, Ernest
Current rating: 1605
| Grand Prix Oakland 2019 (modern) | starting rating: 1573 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 1 | Pham, Matthew (1613) | Lost 1-2 | -181555 |
| 2modern | 396 | TINOCO, TIMOTHY (1483) | Won 2-0 | +171572 |
| 3modern | 462 | Stafford, Cam (1502) | Lost 1-2 | -191553 |
| 4modern | 396 | Pfeffer, Abe (1548) | Won 2-1 | +181571 |
| 5modern | 347 | Rovegno, Kevin (1591) | Won 2-0 | +181589 |
| 6modern | 312 | Kim, Gregory (1387) | Won 2-0 | +141603 |
| 7modern | 239 | Cade, Chris (1562) | Won 2-0 | +181621 |
| 8modern | 75 | Miller, William (1778) | Lost 1-2 | -161605 |
| top | average opponent: 1558record: 5-3 | new rating: 1605 | ||
| Grand Prix Las Vegas 2015 (2) (MM2 limited) | starting rating: 1518 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 192 | Uken, Colin (1500) | Won 2-1 | +181536 |
| 2sealed | 217 | Lieberman, Benjamin (1502) | Won 2-1 | +171553 |
| 3sealed | 154 | Mercier, Maxime (1494) | Lost 1-2 | -191534 |
| 4sealed | 160 | Alexander, Josh (1522) | Won 2-1 | +181552 |
| 5sealed | 114 | Bova, Justin (1668) | Won 2-0 | +201572 |
| 6sealed | 109 | Zill, Jordan (1493) | Won 2-0 | +171589 |
| 7sealed | 100 | Klimke, Chris (1497) | Lost 1-2 | -201569 |
| 8sealed | 98 | Dahl, Tina (1790) | Won 2-1 | +221591 |
| 9sealed | 56 | Goff, Ricky (1576) | Lost 0-2 | -181573 |
| top | average opponent: 1560record: 6-3 | new rating: 1573 | ||
| Grand Prix Denver 2015 (KTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 121 | Swope, Jeffrey (1429) | Won 2-0 | +171517 |
| 2standard | 108 | Jose, Patrick (1538) | Lost 1-2 | -181499 |
| 3standard | 508 | Nagel, Jonathan (1554) | Lost 1-2 | -171482 |
| 4standard | 575 | Kikta Jr., Mark (1487) | Won 2-0 | +181500 |
| 5standard | 433 | Clark, Michael (1450) | Won 2-1 | +171517 |
| 6standard | 332 | Dudley, Josh (1479) | Won 2-0 | +181535 |
| 7standard | 183 | Ashton, Zach (1540) | Lost 0-2 | -181517 |
| 8standard | 241 | Rodriguez, Brian (1520) | Won 2-0 | +181535 |
| 9standard | 163 | Phillips, Joshua (1609) | Lost 1-2 | -171518 |
| top | average opponent: 1512record: 5-4 | new rating: 1518 | ||