Zegveld, Malcolm
Current rating: 1632
Record: 30-25-3
| Regional Championships Sydney 2023 Cycle 4 (pioneer) | starting rating: 1565 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 28 | Bretherton, Dan (1699) | Won 2-0 | +201585 |
| 2pioneer | 18 | Bass, Nathan (1592) | Lost 0-2 | -181567 |
| 3pioneer | 47 | Millers, Rowan (1495) | Won 2-1 | +171584 |
| 4pioneer | 21 | Roper, Daniel (1615) | Won 2-0 | +181602 |
| 5pioneer | 18 | Drake, James [AUS] (1462) | Lost 0-2 | -201582 |
| 6pioneer | 24 | Tierney, Kieran (1496) | Won 2-1 | +161598 |
| 7pioneer | 20 | Begovic, Allan (1541) | Won 2-0 | +171615 |
| 8pioneer | 9 | Gordon, Flynn (1560) | Won 2-1 | +171632 |
| top | average opponent: 1558record: 6-2 | new rating: 1632 | ||
| Regional Championships Sydney 2023 (pioneer) | starting rating: 1507 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 69 | Thatcher, Calum (1510) | Won 2-1 | +181525 |
| 2pioneer | 27 | Beard, Samuel (1539) | Won 2-0 | +181543 |
| 3pioneer | 20 | Bleakley, Connor (1539) | Draw 1-1 | 01543 |
| 4pioneer | 12 | Tattersall, Pierce (1538) | Won 2-1 | +181561 |
| 5pioneer | 7 | Millar, Nick (1502) | Lost 1-2 | -191542 |
| 6pioneer | 19 | Bretherton, Dan (1683) | Lost 0-2 | -161526 |
| 7pioneer | 31 | Malcolm Preston, Nicholas (1694) | Won 2-0 | +211547 |
| 8pioneer | 20 | Bradbury, Joshua [AUS] (1510) | Won 2-0 | +181565 |
| top | average opponent: 1564record: 5-2-1 | new rating: 1565 | ||
| Grand Prix Brisbane 2019 (ELD standard) | starting rating: 1486 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 36 | Solly, Josh (1500) | Draw 1-1 | 01486 |
| 2standard | 115 | Goodhew-Plaza, Warrick (1660) | Won 2-0 | +221508 |
| 3standard | 90 | Halligan, Jordan (1465) | Won 2-1 | +171525 |
| 4standard | 42 | Jackson, Ross [AUS] (1494) | Draw 1-1 | -11524 |
| 5standard | 85 | Roach, Jeremy [AUS] (1539) | Lost 1-2 | -171507 |
| top | average opponent: 1532record: 2-1-2 | new rating: 1507 | ||
| Grand Prix Brisbane 2017 (modern) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 120 | Daley, Ben (1444) | Won 2-1 | +181464 |
| 4modern | 3 | Bewley, Chris (1509) | Won 2-0 | +181482 |
| 5modern | 40 | Oh, Joo Hyun (1852) | Lost 1-2 | -111471 |
| 6modern | 95 | Burow, Luke (1555) | Lost 1-2 | -171454 |
| 7modern | 150 | Coogan, John (1532) | Won 2-1 | +201474 |
| 8modern | 70 | Radvanskiy, Kirill (1709) | Won 2-0 | +221496 |
| 9modern | 68 | Unger, Graham (1557) | Lost 0-2 | -171479 |
| 10modern | 107 | Kemp, Ben (1574) | Won 2-0 | +201499 |
| 11modern | 67 | Bonti, Alessio (1569) | Won 2-1 | +191518 |
| 12modern | 60 | Middleton, Darren (1599) | Lost 1-2 | -161502 |
| 13modern | 90 | De Paola, Nicholas (1552) | Lost 1-2 | -181484 |
| 14modern | 88 | Johnston, Ben [AUS] (1491) | Won 2-1 | +191503 |
| 15modern | 66 | Liu, Zhengjia (1591) | Lost 0-2 | -171486 |
| top | average opponent: 1580record: 7-6 | new rating: 1486 | ||
| Grand Prix Sydney 2016 (EMN limited) | starting rating: 1489 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 5 | Houllis, Kurt (1519) | Won 2-0 | +191508 |
| 4sealed | 109 | Rachid, Denniz (1888) | Lost 1-2 | -121496 |
| 5sealed | 162 | Gower, Jonathan (1540) | Lost 1-2 | -171479 |
| 6sealed | 229 | Byron, Leo (1571) | Lost 1-2 | -161463 |
| 7sealed | 269 | Shea, Dean (1502) | Lost 0-2 | -171446 |
| top | average opponent: 1604record: 1-4 | new rating: 1446 | ||
| Grand Prix Melbourne 2016 (modern) | starting rating: 1478 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 129 | Harris, Brett (1566) | Won 2-1 | +191497 |
| 2modern | 161 | Solano, Jonathan (1518) | Lost 0-2 | -171480 |
| 3modern | 425 | Connelly-Hansen, Allan (1615) | Won 2-0 | +201500 |
| 4modern | 261 | Chan, Dennis (1477) | Lost 1-2 | -181482 |
| 5modern | 385 | Spinks, Matthew (1497) | Won 2-0 | +181500 |
| 6modern | 216 | Naughton, Paul (1516) | Lost 0-2 | -181482 |
| 7modern | 268 | Byron, Leo (1581) | Won 2-1 | +201502 |
| 8modern | 237 | Mulcahy, Luke (1796) | Lost 0-2 | -131489 |
| top | average opponent: 1571record: 4-4 | new rating: 1489 | ||
| Grand Prix Sydney 2015 (BFZ limited) | starting rating: 1515 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 76 | Kim, Benjamin (1500) | Lost 0-2 | -181497 |
| 2sealed | 243 | Keedle, Aramis (1443) | Lost 0-2 | -191478 |
| top | average opponent: 1471record: 0-2 | new rating: 1478 | ||
| Grand Prix Sydney 2014 (M15 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 139 | Danaro, Paul (1415) | Won 2-0 | +161516 |
| 2sealed | 147 | Locke, Patrick (1466) | Won 2-1 | +181534 |
| 3sealed | 7 | Sparks, Damian (1466) | Lost 1-2 | -201514 |
| 4sealed | 196 | Kerr, Richard (1522) | Won 2-1 | +181532 |
| 5sealed | 60 | Morgan, Sean [AUS] (1544) | Lost 0-2 | -171515 |
| 6sealed | 181 | Diquelou, Marie (1526) | Won 2-0 | +181533 |
| 7sealed | 121 | Bicioc, Edward (1553) | Won 2-0 | +181551 |
| 8sealed | 58 | Dorcas, Nick (1562) | Lost 1-2 | -181533 |
| 9sealed | 103 | Saide, Brad (1503) | Lost 0-2 | -181515 |
| top | average opponent: 1506record: 5-4 | new rating: 1515 | ||