Shearston, Michael
Current rating: 1582
Record: 20-16-7
| Grand Prix Brisbane 2019 (ELD standard) | starting rating: 1547 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 144 | Brugman, John (1597) | Won 2-1 | +191566 |
| 2standard | 84 | Hopson, Randall (1569) | Lost 0-2 | -181548 |
| 3standard | 129 | Byrne, Zachary (1503) | Won 2-1 | +181566 |
| 4standard | 73 | Harvey, Jacob (1398) | Lost 0-2 | -211545 |
| 5standard | 157 | Ackling, Thomas (1498) | Won 2-0 | +171562 |
| 6standard | 91 | Naughton, Paul (1613) | Won 2-1 | +191581 |
| 7standard | 75 | Watson, Chris [AUS] (1540) | Won 2-1 | +171598 |
| 8standard | 25 | Asikas, Paul (1722) | Lost 1-2 | -161582 |
| top | average opponent: 1555record: 5-3 | new rating: 1582 | ||
| Grand Prix Sydney 2019 (RNA limited) | starting rating: 1462 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 162 | Nimwegen, Brendan (1404) | Lost 0-2 | -191443 |
| 2sealed | 193 | Balmes, Anthony (1670) | Lost 1-2 | -141429 |
| 3sealed | 228 | Takara, Kaiya (1466) | Won 2-0 | +181447 |
| 4sealed | 218 | Owens, Matt (1487) | Won 2-0 | +191466 |
| 5sealed | 118 | Beckham, Duncan (1520) | Won 2-0 | +191485 |
| 6sealed | 74 | Ellis, Celeste (1519) | Won 2-0 | +191504 |
| 7sealed | 55 | Barnes, Matthew [AUS] (1474) | Won 2-1 | +171521 |
| 8sealed | 30 | Lines, Leo (1557) | Won 2-0 | +191540 |
| 9sealed | 37 | Iranmanesh, Hamoun (1681) | Lost 0-2 | -161524 |
| 10draft | 31 | Stoddart, Thomas (1563) | Won 2-1 | +191543 |
| 11draft | 41 | Chen, James [AUS] (1570) | Won 2-1 | +191562 |
| 12draft | 21 | Diment, Jim (1586) | Draw 1-1 | 01562 |
| 13draft | 27 | Diment, Jim (1585) | Lost 0-2 | -181544 |
| 14draft | 17 | James, Kurtis (1664) | Lost 1-2 | -151529 |
| 15draft | 24 | Estephan, Jessica (1571) | Won 2-0 | +181547 |
| top | average opponent: 1554record: 9-5-1 | new rating: 1547 | ||
| Grand Prix Melbourne 2018 (GRN limited) | starting rating: 1492 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 290 | Bulluss, Benjamin (1465) | Lost 0-2 | -191473 |
| 2sealed | 274 | Rowe, Mulvina (1451) | Lost 1-2 | -181455 |
| 3sealed | 365 | Watson, Sam (1464) | Won 2-1 | +181473 |
| 4sealed | 331 | Fuller, Ben [AUS] (1587) | Won 2-0 | +201493 |
| 5sealed | 219 | Cachia, Emanuel (1442) | Won 2-0 | +171510 |
| 6sealed | 208 | Randeni, Harshana (1681) | Lost 1-2 | -151495 |
| 7sealed | 172 | Wai, Haw Chuan (1694) | Lost 0-2 | -141481 |
| 8sealed | 154 | Morales, Don (1422) | Lost 0-2 | -191462 |
| top | average opponent: 1526record: 3-5 | new rating: 1462 | ||
| Grand Prix Sydney 2006 (TSP limited) | starting rating: 1532 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 18 | Gatt, Adam (1500) | Draw 1-1 | 01532 |
| 2sealed | 48 | Barsing, Mal (1465) | Lost 0-2 | -191513 |
| 3sealed | 72 | Dunstan, Matthew (1479) | Draw 1-1 | -11512 |
| 4sealed | 91 | Judge, Alexander (1387) | Lost 0-2 | -201492 |
| top | average opponent: 1458record: 0-2-2 | new rating: 1492 | ||
| Grand Prix Sydney 2003 (MRD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 7 | Egan, Owen (1500) | Lost 0-2 | -181482 |
| 2sealed | 93 | Hamilton, Walluin (1482) | Draw 1-1 | 01482 |
| 3sealed | 96 | Stoddart, Thomas (1447) | Draw 1-1 | -11481 |
| 4sealed | 126 | Davey, Bruce (1398) | Draw 1-1 | -11480 |
| 5sealed | 114 | Lee, Eric [AUS] (1446) | Won 2-0 | +171497 |
| 6sealed | 104 | Burton, Ian (1481) | Draw 1-1 | 01497 |
| 7sealed | 90 | Dunphy, Adam (1483) | Won 2-1 | +181515 |
| 8sealed | 77 | Canning, Tiffany (1498) | Won 2-1 | +171532 |
| top | average opponent: 1467record: 3-1-4 | new rating: 1532 | ||