Gardiner, Zachary
Current rating: 1675
Record: 27-19
| Grand Prix Brisbane 2019 (ELD standard) | starting rating: 1620 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 14 | Hoshide, Naonari (1687) | Lost 0-2 | -171603 |
| 4standard | 97 | Koh, Nicholas (1478) | Won 2-0 | +161619 |
| 5standard | 82 | Hardy, Chris (1543) | Won 2-1 | +171636 |
| 6standard | 35 | Harvey, Jacob (1440) | Won 2-1 | +141650 |
| 7standard | 9 | Marshall, Geoffrey (1665) | Lost 1-2 | -181632 |
| 8standard | 28 | Papworth, Quinn (1533) | Won 2-1 | +171649 |
| 9standard | 24 | Barnes, Matthew [AUS] (1534) | Won 2-0 | +161665 |
| 10standard | 11 | Rogers, Matthew (2012) | Lost 0-2 | -121653 |
| 11standard | 19 | Lou, Violet (1936) | Lost 1-2 | -131640 |
| 12standard | 27 | Robb, Justin (1770) | Won 2-1 | +201660 |
| 13standard | 20 | Crasto, Dirk (1662) | Lost 1-2 | -181642 |
| 14standard | 22 | Pour, Joe (1564) | Won 2-0 | +171659 |
| 15standard | 19 | O'Reilly, Joshua (1590) | Won 2-1 | +161675 |
| top | average opponent: 1647record: 8-5 | new rating: 1675 | ||
| Grand Prix Sydney 2019 (RNA limited) | starting rating: 1543 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 68 | Golding, Jacob (1655) | Won 2-1 | +201563 |
| 4sealed | 23 | Savidis, Nick (1564) | Won 2-0 | +181581 |
| 5sealed | 6 | McGee, Art (1547) | Won 2-0 | +171598 |
| 6sealed | 13 | Sornphiphatphong, Chanond (1570) | Lost 1-2 | -181580 |
| 7sealed | 23 | Hearn, Michael (1558) | Won 2-0 | +171597 |
| 8sealed | 17 | Z, Dominic (1916) | Won 2-0 | +241621 |
| 9sealed | 9 | Merieux, Edouard (1863) | Lost 0-2 | -141607 |
| 10draft | 4 | Lie, Benaya (1675) | Won 2-1 | +191626 |
| 11draft | 4 | Zhou, Mark (1615) | Won 2-0 | +181644 |
| 12draft | 4 | Basser, Nathan (1986) | Lost 0-2 | -121632 |
| 13draft | 44 | Pollard, Luke (1612) | Won 2-1 | +181650 |
| 14draft | 35 | Garnham, Matthew (1781) | Lost 1-2 | -161634 |
| 15draft | 30 | Merieux, Edouard (1853) | Lost 0-2 | -141620 |
| top | average opponent: 1707record: 8-5 | new rating: 1620 | ||
| Grand Prix Melbourne 2018 (GRN limited) | starting rating: 1548 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 124 | Sutton, Richard (1435) | Won 2-1 | +161564 |
| 2sealed | 46 | Kawaguchi, Tetsu (1673) | Lost 0-2 | -161548 |
| 3sealed | 282 | Jefferson, Allan (1504) | Won 2-0 | +171565 |
| 4sealed | 159 | Suarez, Kevin (1417) | Won 2-1 | +161581 |
| 5sealed | 103 | Van Tienen, Kyle (1497) | Lost 0-2 | -201561 |
| 6sealed | 123 | Karamaroudis, Frank (1524) | Lost 0-2 | -181543 |
| top | average opponent: 1508record: 3-3 | new rating: 1543 | ||
| Grand Prix Brisbane 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 285 | Frankel, Carl (1500) | Won 2-1 | +181518 |
| 2modern | 145 | McCandless, Luke (1622) | Lost 1-2 | -161502 |
| 3modern | 225 | Zhang, Charles [AUS] (1500) | Won 2-1 | +181520 |
| 4modern | 284 | Schilling, Bevan (1512) | Won 2-0 | +181538 |
| 5modern | 119 | Rolfe, Jamie (1493) | Won 2-1 | +171555 |
| 6modern | 56 | Chung, Jason (1766) | Lost 0-2 | -141541 |
| 7modern | 171 | Lim, Ernest (1872) | Lost 1-2 | -121529 |
| 8modern | 158 | Chiu, Elon (1575) | Won 2-1 | +181547 |
| 9modern | 110 | Drew, Nicholas (1535) | Won 2-0 | +181565 |
| 10modern | 87 | Queenin, Scott (1649) | Lost 0-2 | -161549 |
| 11modern | 126 | Ng, Steven (1528) | Won 2-1 | +171566 |
| 12modern | 85 | Mills, Braden (1486) | Lost 0-2 | -191547 |
| 13modern | 110 | Kemp, Ben (1557) | Won 2-1 | +181565 |
| 14modern | 74 | Williams, Jonathon (1639) | Lost 0-2 | -171548 |
| top | average opponent: 1588record: 8-6 | new rating: 1548 | ||