Barker, Leonard
Current rating: 1487
Record: 10-12
| Grand Prix Strasbourg 2019 (RNA limited) | starting rating: 1488 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 205 | Calvet, Victor (1395) | Won 2-0 | +161504 |
| 3sealed | 287 | Bausch, Joshua (1877) | Lost 0-2 | -111493 |
| 4sealed | 464 | Weber, Nicole (1705) | Won 2-0 | +221515 |
| 5sealed | 296 | Kerem, Hannes (2006) | Lost 0-2 | -101505 |
| 6sealed | 294 | Teknik, Celine (1485) | Lost 0-2 | -181487 |
| top | average opponent: 1694record: 2-3 | new rating: 1487 | ||
| Grand Prix Melbourne 2018 (GRN limited) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 181 | St John, Andrew (1518) | Won 2-0 | +191482 |
| 3sealed | 138 | Rashad, Brandon (1454) | Won 2-0 | +171499 |
| 4sealed | 20 | Vance, Andrew [AUS] (1585) | Lost 1-2 | -161483 |
| 5sealed | 59 | Ng, Peter (1540) | Won 2-0 | +191502 |
| 6sealed | 77 | Wang, Max [AUS] (1636) | Won 2-0 | +201522 |
| 7sealed | 34 | Markovic, Sasha (1614) | Lost 1-2 | -161506 |
| 8sealed | 68 | Ivatts, Davin (1516) | Lost 0-2 | -181488 |
| top | average opponent: 1552record: 4-3 | new rating: 1488 | ||
| Grand Prix Sydney 2016 (EMN limited) | starting rating: 1516 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 864 | Sutton, George (1519) | Lost 0-2 | -181498 |
| 2sealed | 279 | Neagle, Justin (1552) | Lost 0-2 | -171481 |
| 3sealed | 876 | Beresford, James (1465) | Lost 1-2 | -181463 |
| top | average opponent: 1512record: 0-3 | new rating: 1463 | ||
| Grand Prix Melbourne 2016 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 108 | Reuter-Rantanen, Luke (1500) | Won 2-0 | +181518 |
| 2modern | 23 | Miller, Jackson (1384) | Lost 1-2 | -201498 |
| 3modern | 384 | Wallis, Robert (1392) | Won 2-0 | +161514 |
| 4modern | 301 | Xie, Ammy (1499) | Won 2-0 | +171531 |
| 5modern | 180 | Jarvis, Tristan (1520) | Lost 0-2 | -181513 |
| 6modern | 309 | Clare, Rowan (1523) | Won 2-1 | +181531 |
| 7modern | 165 | Puszet, Jarron (1678) | Lost 1-2 | -151516 |
| top | average opponent: 1499record: 4-3 | new rating: 1516 | ||