Cronin, John
Current rating: 1482
Record: 12-15-1
| Grand Prix Hartford 2018 (modern) | starting rating: 1435 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 483 | Ira, Mac (1480) | Won 2-1 | +191454 |
| 2modern | 253 | Battis, Liam (1518) | Won 2-0 | +191473 |
| 3modern | 303 | Capen, Benjamin (1640) | Lost 1-2 | -151458 |
| 4modern | 525 | Vine, Cj (1501) | Won 2-0 | +191477 |
| 5modern | 331 | Carson, Max (1538) | Won 2-0 | +191496 |
| 6modern | 152 | Hamasoor, Delan (1471) | Lost 0-2 | -181478 |
| 7modern | 190 | Alfonso, Luis (1632) | Won 2-0 | +201498 |
| 8modern | 164 | Li, Jonathan [CAN] (1582) | Lost 1-2 | -161482 |
| top | average opponent: 1545record: 5-3 | new rating: 1482 | ||
| Grand Prix Las Vegas 2017 (modern) (modern) | starting rating: 1433 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 934 | Stapleton, Joshua (1653) | Won 1-0 | +221455 |
| 2modern | 238 | Voye, Justin (1516) | Lost 1-2 | -171438 |
| 3modern | 923 | Van Dyke, Michael (1741) | Won 2-0 | +241462 |
| 4modern | 775 | Burkhart, Joshuah (1517) | Lost 0-2 | -171445 |
| 5modern | 1164 | Richter, Nicholas (1530) | Won 2-0 | +191464 |
| 6modern | 850 | de la Loza Bellot, Jose Alejandro (1652) | Lost 1-2 | -141450 |
| 7modern | 952 | Christensen, Luke (1642) | Lost 0-2 | -151435 |
| top | average opponent: 1607record: 3-4 | new rating: 1435 | ||
| Grand Prix Las Vegas 2017 (legacy) (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 90 | Heikinniemi, Tommi (1608) | Lost 1-2 | -161484 |
| 3legacy | 898 | Davis, Steven (1621) | Draw 1-1 | +31487 |
| 4legacy | 839 | Hickey, Adam (1505) | Lost 1-2 | -181469 |
| 5legacy | 966 | Yoho, Brandon (1465) | Lost 1-2 | -181451 |
| 6legacy | 983 | Adams, Robert (1446) | Lost 0-2 | -181433 |
| 7legacy | 898 | Peck, Kenny (1443) | Won 2-0 | +181451 |
| 8legacy | 726 | Chow, Harold (1465) | Lost 0-2 | -181433 |
| top | average opponent: 1508record: 1-5-1 | new rating: 1433 | ||
| Grand Prix Boston 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 630 | Darcy, Michael (1500) | Lost 0-2 | -181482 |
| 2sealed | 660 | Smelley, Heather (1482) | Won 2-0 | +181500 |
| 3sealed | 612 | Connor, Thomas (1482) | Won 2-0 | +181518 |
| 4sealed | 559 | Keith, Joseph (1523) | Lost 0-2 | -181500 |
| 5sealed | 658 | Draeger, Chris D (1527) | Won 2-0 | +181518 |
| 6sealed | 516 | Hiles, Christopher (1527) | Lost 0-2 | -181500 |
| top | average opponent: 1507record: 3-3 | new rating: 1500 | ||