O'Leary, John
Current rating: 1576
Record: 19-17
| Grand Prix Liverpool 2017 (XLN limited) | starting rating: 1602 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 239 | Grindle, Chelsea (1500) | Won 2-1 | +171619 |
| 2sealed | 258 | Mostyn, George (1421) | Won 2-1 | +141633 |
| 3sealed | 231 | Ciotta, Andrea (1700) | Lost 1-2 | -171616 |
| 4sealed | 173 | Gardner, Daniel J [ENG] (1680) | Lost 0-2 | -171599 |
| 5sealed | 420 | Whitfield, Justin (1498) | Lost 0-2 | -191580 |
| 6sealed | 427 | Kay, Stephen (1400) | Won 2-0 | +141594 |
| 7sealed | 370 | Hills, Nathan (1561) | Lost 1-2 | -181576 |
| top | average opponent: 1537record: 3-4 | new rating: 1576 | ||
| Grand Prix London 2016 (KLD limited) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 268 | Baumert, Martin (1796) | Lost 1-2 | -121472 |
| 4sealed | 426 | York, Peter (1471) | Lost 0-2 | -181454 |
| 5sealed | 744 | Chan, Wayland (1428) | Won 2-0 | +171471 |
| 6sealed | 614 | Larsen, Daniel (1421) | Won 2-0 | +171488 |
| 7sealed | 227 | McPhillips, Alex (1573) | Won 2-1 | +201508 |
| 8sealed | 343 | Black, Dylan (1538) | Lost 1-2 | -181490 |
| 9sealed | 489 | Fry, Sam (1561) | Won 2-1 | +201510 |
| 10draft | 139 | Conde-Gonzalez, Francisco Antonio (1573) | Won 2-0 | +191529 |
| 11draft | 138 | Bjorland, Ivar (1546) | Won 2-0 | +181547 |
| 12draft | 133 | Moure, Matteo (1945) | Lost 0-2 | -111536 |
| 13draft | 261 | Lunghi, Jacopo (1761) | Won 2-0 | +221558 |
| 14draft | 145 | Lihoreau, Ibai (1690) | Won 2-1 | +201578 |
| 15draft | 199 | Flury, Julian Felix (1920) | Won 2-0 | +241602 |
| top | average opponent: 1633record: 9-4 | new rating: 1602 | ||
| Grand Prix Manchester 2016 (SOI standard) | starting rating: 1431 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 86 | Gonzalez, Juan (1540) | Won 2-0 | +201451 |
| 2standard | 281 | Musztafa, Krystian (1500) | Won 2-0 | +191470 |
| 3standard | 259 | Johnson, Courtney (1560) | Lost 0-2 | -161454 |
| 4standard | 486 | Mantoani, Leandro (1573) | Won 2-1 | +201474 |
| 5standard | 367 | Rose, Dan (1459) | Lost 0-2 | -181456 |
| 6standard | 437 | Ho, Darren (1501) | Won 2-0 | +191475 |
| 7standard | 354 | Trent, Neil (1491) | Won 2-0 | +181493 |
| 8standard | 234 | Harris, Nathan (1535) | Won 2-1 | +191512 |
| 9standard | 96 | Angelin, Marcus (1802) | Lost 1-2 | -131499 |
| 10standard | 197 | Dewulf, Emmanuel (1684) | Lost 1-2 | -151484 |
| top | average opponent: 1564record: 6-4 | new rating: 1484 | ||
| Grand Prix Liverpool 2015 (FRF limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 399 | Woolfenden, Alex (1500) | Won 2-0 | +181518 |
| 2sealed | 274 | Buckley, Darragh (1500) | Lost 1-2 | -181500 |
| 3sealed | 577 | Komanski, Nicolas (1601) | Lost 1-2 | -161484 |
| 4sealed | 626 | Marriott, George (1492) | Lost 0-2 | -181466 |
| 5sealed | 119 | Knight, James (1463) | Lost 0-2 | -181448 |
| 6sealed | 584 | Hope, Stephen (1543) | Lost 0-2 | -171431 |
| top | average opponent: 1517record: 1-5 | new rating: 1431 | ||