Sperlunto, Ralph
Current rating: 1484
| Grand Prix Tampa Bay 2019 (modern) | starting rating: 1472 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 328 | Edmondson, Jeremy (1477) | Won 2-0 | +181490 |
| 2modern | 49 | Torra, Eduardo (1399) | Won 2-0 | +161506 |
| 3modern | 106 | Eapen, Roshen (1928) | Won 2-0 | +251531 |
| 4modern | 30 | Kolaventy, Rajarshi (1523) | Lost 1-2 | -181513 |
| 5modern | 85 | Brinkman, John (1489) | Lost 1-2 | -181495 |
| 6modern | 245 | Garrett, Billy (1520) | Won 2-0 | +181513 |
| 7modern | 190 | Hale, Kenny (1493) | Won 2-0 | +181531 |
| 8modern | 116 | Krill, Michael (1511) | Won 2-0 | +171548 |
| 9modern | 70 | Goben, Derrick (1577) | Lost 1-2 | -171531 |
| 10modern | 78 | Mumby, Alexander (1568) | Lost 0-2 | -171514 |
| 12modern | 61 | Robbins, Austin (1628) | Won 2-1 | +201534 |
| 13modern | 54 | Pullman, Jack (1631) | Lost 0-2 | -171517 |
| 14modern | 67 | Molina, Wilberto (1690) | Lost 1-2 | -141503 |
| 15modern | 66 | Spezzo, Vincent (1460) | Lost 1-2 | -191484 |
| top | average opponent: 1564record: 7-7 | new rating: 1484 | ||
| Grand Prix Atlanta 2018 (modern) | starting rating: 1467 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 66 | Weary, Jimmy (1507) | Lost 0-2 | -171450 |
| 2modern | 524 | Kell, Kevin (1484) | Lost 0-2 | -171433 |
| 3modern | 641 | Hupp, Anthony (1464) | Won 2-0 | +181451 |
| 4modern | 542 | Garay, Juan (1452) | Won 2-0 | +181469 |
| 5modern | 466 | Chatham, Benjamin (1569) | Won 2-0 | +201489 |
| 6modern | 468 | Hungerman, Scott (1521) | Lost 0-2 | -171472 |
| top | average opponent: 1499record: 3-3 | new rating: 1472 | ||
| Grand Prix Atlanta 2017 (XLN standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 87 | Czech, Peter (1446) | Won 2-0 | +171517 |
| 2standard | 207 | Mata, Andrew (1644) | Lost 0-2 | -161501 |
| 3standard | 402 | Smith, Evan 2 (1422) | Lost 0-1 | -191482 |
| 4standard | 506 | Graham, Bobby (1569) | Won 2-0 | +191501 |
| 5standard | 480 | Ling, Haoran (1647) | Lost 0-2 | -151486 |
| 6standard | 434 | Hattaway, Joshua (1483) | Lost 0-2 | -181468 |
| 7standard | 469 | Ogden, Sid (1465) | Won 2-0 | +181486 |
| 8standard | 410 | Dotson, Matt (1442) | Lost 1-2 | -191467 |
| top | average opponent: 1515record: 3-5 | new rating: 1467 | ||