Thacker, Gavin
Current rating: 1632
Record: 57-58
Grand Prix Manchester 2014Grand Prix Liverpool 2015Grand Prix Utrecht 2015Grand Prix London 2015Grand Prix Manchester 2016Grand Prix London 2016Grand Prix Birmingham 2017Grand Prix Liverpool 2017Grand Prix Birmingham 2018 (leg)Grand Prix Birmingham 2018 (std)Grand Prix Prague 2018Grand Prix London 2019Grand Prix Birmingham 2019Grand Prix Brussels 2020Regional Championships Lille 2023
| Regional Championships Lille 2023 (pioneer) | starting rating: 1607 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 152 | Arellano Morneo, Daniel (1676) | Lost 0-2 | -171590 |
| 2pioneer | 245 | Boulinguiez, Mike (1579) | Lost 0-2 | -181572 |
| 3pioneer | 288 | Szoke, Zoltan (1569) | Won 2-0 | +181590 |
| 4pioneer | 195 | Tornstrom, Lauri (1733) | Won 2-1 | +201610 |
| 5pioneer | 184 | Szmyd, Jedrek (1669) | Won 2-0 | +191629 |
| 6pioneer | 111 | Galicia, Alberto (1752) | Won 2-1 | +201649 |
| 7pioneer | 62 | Botti, Andrea (1555) | Lost 0-2 | -191630 |
| 8pioneer | 102 | Verdiani, Luca (1718) | Lost 0-2 | -171613 |
| 9pioneer | 137 | Rizzi, Andrea (1653) | Won 2-1 | +191632 |
| top | average opponent: 1656record: 5-4 | new rating: 1632 | ||
| Grand Prix Brussels 2020 (pioneer) | starting rating: 1614 | |||
| round | table | opponent (rating) | result | Δrating |
| 3pioneer | 139 | Chansin, Kenny (1474) | Lost 0-2 | -201594 |
| 4pioneer | 396 | van den Brande, Romain (1466) | Won 2-0 | +161610 |
| 5pioneer | 351 | Zhang, Raymond (1453) | Lost 1-2 | -211589 |
| 6pioneer | 429 | Wasser, Ivo (1509) | Won 2-0 | +161605 |
| 7pioneer | 240 | Angelopoulos, Marios (1722) | Lost 1-2 | -161589 |
| 8pioneer | 269 | Longuet, Nicolas (1544) | Won 2-1 | +181607 |
| top | average opponent: 1528record: 3-3 | new rating: 1607 | ||
| Grand Prix Birmingham 2019 (modern) | starting rating: 1508 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 42 | Liu, Chi Hung (1516) | Won 2-0 | +181526 |
| 4modern | 5 | Wheeler, Kristoffer (1552) | Won 2-0 | +191545 |
| 5modern | 5 | Dinu, Gabriel (1778) | Won 2-1 | +221567 |
| 6modern | 2 | Habluetzel, Matthias (1589) | Won 2-0 | +181585 |
| 7modern | 5 | Duggan, Matthew [ENG] (1806) | Won 2-1 | +221607 |
| 8modern | 2 | Koch, Florian (1749) | Won 2-1 | +211628 |
| 9modern | 1 | Hall, William (1702) | Won 2-0 | +191647 |
| 10modern | 1 | Strauch, Peter (1600) | Lost 1-2 | -191628 |
| 11modern | 2 | Economides, Stefanos (1581) | Won 2-0 | +171645 |
| 12modern | 4 | Birinci, Ozan (1678) | Lost 0-2 | -171628 |
| 13modern | 9 | Coates, Richard (1631) | Won 2-1 | +181646 |
| 14modern | 2 | Splinter, Stan (1760) | Lost 0-2 | -161630 |
| 15modern | 4 | Munoz Gomez, Borja (1752) | Lost 1-2 | -161614 |
| top | average opponent: 1669record: 9-4 | new rating: 1614 | ||
| Grand Prix London 2019 (WAR sealed) | starting rating: 1470 | |||
| round | table | opponent (rating) | result | Δrating |
| B1sealed | 921 | Baker, Mathew (1436) | Won 2-0 | +171487 |
| B2sealed | 930 | Goldblum, Augustin (1518) | Lost 1-2 | -171470 |
| B3sealed | 1016 | Wilson, Gary (1506) | Won 2-0 | +181488 |
| B4sealed | 1007 | Pollard, Kieran (1500) | Won 2-0 | +181506 |
| B5sealed | 901 | Oehler, Martin (1564) | Won 2-1 | +191525 |
| B6sealed | 928 | Scott, Noah (1562) | Lost 0-2 | -171508 |
| top | average opponent: 1514record: 4-2 | new rating: 1508 | ||
| Grand Prix Prague 2018 (modern) | starting rating: 1498 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 48 | Pletzer-Zelgert, Jonathan (1625) | Won 2-1 | +201518 |
| 4modern | 184 | Jansson, Joakim (1644) | Lost 1-2 | -151503 |
| 5modern | 254 | Grimmer, Martin (1379) | Lost 1-2 | -211482 |
| 6modern | 568 | Savelli, Claudio (1524) | Lost 0-2 | -171465 |
| 7modern | 490 | Dufour, Jimmy (1798) | Won 2-1 | +241489 |
| 8modern | 435 | Kreutz, Stefan (1418) | Lost 1-2 | -191470 |
| top | average opponent: 1565record: 2-4 | new rating: 1470 | ||
| Grand Prix Birmingham 2018 (std) (DOM standard) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 97 | Severino, Tiago (1643) | Lost 1-2 | -151451 |
| 3standard | 317 | Voisey, Mark (1578) | Won 2-1 | +201471 |
| 4standard | 352 | Suters, Oliver (1433) | Won 2-0 | +171488 |
| 5standard | 268 | Barreaud, Joffrey (1638) | Lost 1-2 | -151473 |
| 6standard | 220 | Biaggi, Andrea (1521) | Won 2-1 | +191492 |
| 7standard | 124 | Hudson, Gareth (1575) | Won 2-0 | +201512 |
| 8standard | 96 | Boothaway, James (1598) | Won 2-1 | +191531 |
| 9standard | 49 | Grieger, Stefan (1660) | Won 2-1 | +201551 |
| 10standard | 57 | Paugsch, Lukas (1914) | Lost 0-2 | -111540 |
| 11standard | 76 | Dominguez, Javier (1951) | Lost 1-2 | -111529 |
| 12standard | 83 | Nguyen, Phi (1604) | Lost 1-2 | -171512 |
| 13standard | 99 | Knowelden, Sean (1712) | Lost 0-2 | -141498 |
| top | average opponent: 1652record: 6-6 | new rating: 1498 | ||
| Grand Prix Birmingham 2018 (leg) (legacy) | starting rating: 1479 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 15 | Liu, Liming (1515) | Won 2-0 | +181497 |
| 3legacy | 208 | Strawbridge, Aaron (1459) | Won 2-1 | +181515 |
| 4legacy | 140 | Fishman, Grant (1553) | Lost 0-2 | -181497 |
| 5legacy | 181 | Thiesen, Anders (1712) | Lost 1-2 | -141483 |
| 6legacy | 309 | Kangas, Ilkka (1516) | Lost 0-2 | -171466 |
| top | average opponent: 1551record: 2-3 | new rating: 1466 | ||
| Grand Prix Liverpool 2017 (XLN limited) | starting rating: 1405 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 180 | Firth, Ian (1518) | Lost 1-2 | -161389 |
| 3sealed | 394 | Thomson, David (1411) | Won 2-1 | +191408 |
| 4sealed | 373 | Morgan, Geraint (1523) | Won 2-1 | +201428 |
| 5sealed | 185 | Kathriner, Roman (1677) | Lost 0-2 | -141414 |
| 6sealed | 222 | Lucas, Alun (1523) | Won 2-1 | +201434 |
| 7sealed | 182 | Jones, Toby (1581) | Won 2-0 | +211455 |
| 8sealed | 78 | Martz, Dominic (1847) | Lost 1-2 | -111444 |
| 9sealed | 164 | Lebrun, Benoit (1803) | Won 2-0 | +241468 |
| 10draft | 81 | Kecke, Paul (1565) | Lost 0-2 | -161452 |
| 11draft | 81 | Voss, Robert (1465) | Won 2-1 | +181470 |
| 12draft | 82 | Johansson, Jens (1597) | Lost 1-2 | -161454 |
| 13draft | 39 | Johns, Darryl (1606) | Won 2-0 | +211475 |
| 14draft | 112 | Chapman, Kyle (1612) | Lost 0-2 | -151460 |
| 15draft | 111 | Simmonds, Jay (1514) | Won 2-0 | +191479 |
| top | average opponent: 1589record: 8-6 | new rating: 1479 | ||
| Grand Prix Birmingham 2017 (modern) | starting rating: 1477 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 40 | Alexander, Jon (1534) | Lost 0-0 | -171460 |
| 3modern | 541 | Aaltonen, Janne (1345) | Lost 0-2 | -201440 |
| 4modern | 595 | Mariusdottir, Thorey (1510) | Lost 0-2 | -171423 |
| 5modern | 698 | Urban, Martin (1447) | Lost 0-2 | -181405 |
| top | average opponent: 1459record: 0-4 | new rating: 1405 | ||
| Grand Prix London 2016 (KLD limited) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 134 | Berkemeier, Christian (1739) | Lost 1-2 | -131453 |
| 3sealed | 946 | Glotfelty, Matthew (1403) | Won 2-0 | +171470 |
| 4sealed | 542 | Stanisic, Stefan (1518) | Lost 0-2 | -171453 |
| 5sealed | 872 | Kigkilos, Stavros (1488) | Lost 1-2 | -171436 |
| 6sealed | 867 | Hudson, Dominic (1414) | Won 2-0 | +181454 |
| 7sealed | 610 | Halligan, Jordan (1500) | Won 2-0 | +181472 |
| 8sealed | 654 | Carvalho, Pedro [PRT] (1656) | Won 2-0 | +221494 |
| 9sealed | 297 | Allott, Daniel (1545) | Lost 0-2 | -171477 |
| top | average opponent: 1533record: 4-4 | new rating: 1477 | ||
| Grand Prix Manchester 2016 (SOI standard) | starting rating: 1472 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 134 | Roman Acacio, Juan (1613) | Lost 1-2 | -161456 |
| 4standard | 274 | Stok, Alex (1896) | Won 2-1 | +261482 |
| 5standard | 346 | Wilks, John-Joseph (1492) | Lost 1-2 | -181464 |
| 6standard | 472 | Milner, Sam (1500) | Won 2-1 | +191483 |
| 7standard | 337 | Irons, Nancy (1503) | Won 2-0 | +181501 |
| 8standard | 207 | Ellis, Steven (1497) | Lost 1-2 | -181483 |
| 9standard | 242 | Sakellis, Ioannis (1559) | Lost 1-2 | -171466 |
| top | average opponent: 1580record: 3-4 | new rating: 1466 | ||
| Grand Prix London 2015 (ORI standard) | starting rating: 1518 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 149 | Edvardsson, Benny (1523) | Lost 1-2 | -181500 |
| 4standard | 229 | Rudge, Nathan (1450) | Won 2-1 | +171517 |
| 5standard | 111 | Rood, Niek (1396) | Won 2-0 | +161533 |
| 6standard | 221 | Marshall, Lewis (1597) | Lost 1-2 | -171516 |
| 7standard | 164 | Varady, Balazs (1654) | Lost 0-2 | -151501 |
| 8standard | 200 | Greenaway, Lloyd (1528) | Lost 0-2 | -181483 |
| 9standard | 177 | Nielsen, Simon (1864) | Lost 0-2 | -111472 |
| top | average opponent: 1573record: 2-5 | new rating: 1472 | ||
| Grand Prix Utrecht 2015 (MM2 limited) | starting rating: 1537 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 325 | Perez Ballart, Eduard (1488) | Won 2-0 | +171554 |
| 3sealed | 125 | de Beurs, Anne (1496) | Lost 0-2 | -191535 |
| 4sealed | 401 | Morin, Quentin (1482) | Won 2-1 | +171552 |
| 5sealed | 233 | Tolan, Bernard (1557) | Lost 0-2 | -181534 |
| 6sealed | 255 | Godfrey, Daniel (1640) | Lost 0-2 | -161518 |
| top | average opponent: 1533record: 2-3 | new rating: 1518 | ||
| Grand Prix Liverpool 2015 (FRF limited) | starting rating: 1486 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 144 | Marlie, Alan (1585) | Won 2-0 | +201506 |
| 3sealed | 103 | Pyburn, Daniel (1584) | Won 2-1 | +191525 |
| 4sealed | 105 | Enevoldsen, Thomas (1890) | Lost 0-2 | -121513 |
| 5sealed | 313 | Jamieson, Graeme (1512) | Won 2-1 | +181531 |
| 6sealed | 76 | Papadopoulos, Nicolas (1587) | Won 2-0 | +191550 |
| 7sealed | 74 | Azzoni, Emanuele (1621) | Lost 1-2 | -161534 |
| 8sealed | 108 | Umney, Reece D (1566) | Lost 1-2 | -181516 |
| 9sealed | 199 | Francois, Nathanael (1672) | Won 2-1 | +211537 |
| top | average opponent: 1627record: 5-3 | new rating: 1537 | ||
| Grand Prix Manchester 2014 (Theros block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 131 | Vincent, Chris (1526) | Lost 1-2 | -181482 |
| 3block | 131 | Mills, James R (1478) | Won 2-1 | +181500 |
| 4block | 131 | Dillon, Phillip (1517) | Won 1-0 | +191519 |
| 5block | 131 | Barry, Olivier (1671) | Lost 1-2 | -161503 |
| 6block | 131 | Ilsley, Jacob (1519) | Lost 1-2 | -171486 |
| top | average opponent: 1542record: 2-3 | new rating: 1486 | ||