Tonkin, Mathew
Current rating: 1411
Record: 31-43
| Grand Prix Liverpool 2017 (XLN limited) | starting rating: 1393 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 196 | Swinfield, Philip (1487) | Won 2-0 | +191412 |
| 4sealed | 27 | Presvytis, Dimitris (1655) | Lost 0-2 | -131399 |
| 5sealed | 175 | Sanchez, Francisco (1796) | Lost 0-2 | -111388 |
| 6sealed | 247 | Labohm, Martijn (1456) | Won 2-1 | +191407 |
| 7sealed | 195 | Walsh, Jamie (1536) | Lost 0-2 | -161391 |
| 8sealed | 285 | Buchan, Joshua (1597) | Won 2-1 | +221413 |
| 9sealed | 213 | Warrington, Sophie (1451) | Won 2-1 | +191432 |
| 10draft | 111 | Williams, Bramwell (1561) | Lost 0-2 | -161416 |
| 11draft | 108 | Cathalifaud, Diego (1536) | Won 2-0 | +201436 |
| 12draft | 40 | Hills, Nathan (1617) | Lost 0-2 | -151421 |
| 13draft | 140 | Vaughan, Michael (1569) | Won 2-1 | +211442 |
| 14draft | 140 | Degenhardt, Michel (1573) | Lost 1-2 | -151427 |
| 15draft | 33 | Macgregor, Neil (1540) | Lost 1-2 | -161411 |
| top | average opponent: 1567record: 6-7 | new rating: 1411 | ||
| Grand Prix Copenhagen 2017 (modern) | starting rating: 1386 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 226 | Gates, Dominic (1612) | Lost 0-2 | -141372 |
| 4modern | 312 | Pettersson, Goran (1517) | Won 2-1 | +211393 |
| 5modern | 206 | Petersen, Nicolai (1534) | Lost 1-2 | -161377 |
| 6modern | 353 | Vincent, Guillaume (1587) | Won 2-0 | +221399 |
| 7modern | 228 | Dalborg, Per (1542) | Won 2-1 | +211420 |
| 8modern | 119 | Ortmann, Christoph (1766) | Lost 1-2 | -121408 |
| 9modern | 304 | Weilmann, Kim (1573) | Lost 0-2 | -151393 |
| top | average opponent: 1590record: 3-4 | new rating: 1393 | ||
| Grand Prix Madrid 2016 (KLD standard) | starting rating: 1443 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 119 | Dones Fernandez, Mayantigo (1494) | Won 2-1 | +191462 |
| 4standard | 158 | Zimmermann, Raoul (1722) | Lost 0-2 | -141448 |
| 5standard | 137 | Volakis, Georgios (1644) | Lost 0-2 | -141434 |
| 6standard | 260 | Rashkov, Nikola (1626) | Lost 0-2 | -151419 |
| 7standard | 431 | Anders, Torsten (1499) | Lost 0-2 | -161403 |
| 8standard | 495 | Rodrigues, Nelson (1487) | Lost 0-2 | -171386 |
| top | average opponent: 1579record: 1-5 | new rating: 1386 | ||
| Grand Prix London 2016 (KLD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 193 | Weber, Nicole (1681) | Lost 0-2 | -151485 |
| 4sealed | 437 | Lindgren, Tommi (1803) | Won 2-1 | +231508 |
| 5sealed | 354 | Blundun, Fred (1544) | Lost 0-2 | -171491 |
| 6sealed | 690 | Bahr, Peter Michael (1649) | Lost 1-2 | -151476 |
| 7sealed | 549 | Kavanagh, Austin (1481) | Lost 0-2 | -181458 |
| 8sealed | 681 | Miras, Sergio (1595) | Lost 0-2 | -151443 |
| top | average opponent: 1626record: 1-5 | new rating: 1443 | ||
| Grand Prix Lille 2016 (modern) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 372 | Grove, Kevin (2021) | Lost 0-2 | -101491 |
| 4modern | 285 | Dubois, Antoine (1536) | Lost 0-2 | -171474 |
| 5modern | 450 | Wittebol, Joey (1488) | Lost 0-2 | -181456 |
| 6modern | 697 | Belsot, Benoit (1600) | Won 2-1 | +211477 |
| 7modern | 613 | Brunet, Max (1663) | Won 2-0 | +211498 |
| 8modern | 369 | van Netten, Ilja (1602) | Lost 0-2 | -161482 |
| 9modern | 491 | Grant, Olivier (1450) | Won 2-0 | +181500 |
| top | average opponent: 1623record: 3-4 | new rating: 1500 | ||
| Grand Prix Manchester 2016 (SOI standard) | starting rating: 1507 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 122 | van der Vaart, Martijn (1620) | Lost 1-2 | -161491 |
| 4standard | 321 | Hall, Kenneth (1525) | Lost 1-2 | -171474 |
| 5standard | 517 | Taylor, Nicholas (1515) | Lost 0-2 | -171457 |
| 6standard | 635 | McDonald, Marianne (1408) | Won 2-1 | +171474 |
| 7standard | 479 | Rickell, Edward (1455) | Won 2-0 | +171491 |
| 8standard | 403 | Mcmanus, Scott (1522) | Won 2-1 | +191510 |
| 9standard | 240 | Terrier, Lucas (1763) | Won 2-0 | +221532 |
| 10standard | 202 | Davies, Daniel (1462) | Won 2-1 | +171549 |
| 11standard | 165 | Nielsen, Simon (1851) | Lost 0-2 | -131536 |
| 12standard | 187 | Riley, Mark (1546) | Lost 0-2 | -171519 |
| 13standard | 167 | Ek, Niklas (1517) | Lost 1-2 | -181501 |
| top | average opponent: 1562record: 5-6 | new rating: 1501 | ||
| Grand Prix London 2015 (ORI standard) | starting rating: 1528 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 729 | Blieck, Benny (1521) | Won 2-0 | +181546 |
| 4standard | 604 | Rudenia, Erikas (1471) | Lost 0-2 | -201526 |
| 5standard | 727 | Raftery, Roy (1524) | Lost 0-2 | -181508 |
| 6standard | 812 | Chan, Wailok (1582) | Won 2-1 | +201528 |
| 7standard | 516 | Mitchell, Matthew (1514) | Lost 0-2 | -191509 |
| 8standard | 554 | Coors, Raphael (1393) | Lost 1-2 | -201489 |
| 9standard | 406 | Buchan, Joshua (1480) | Won 2-1 | +181507 |
| top | average opponent: 1498record: 3-4 | new rating: 1507 | ||
| Grand Prix Liverpool 2015 (FRF limited) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 392 | Wells, Alex (1501) | Won 2-0 | +181539 |
| 3sealed | 37 | Cesatti, Marco (1537) | Won 2-0 | +171556 |
| 4sealed | 26 | Hargreaves, Josef (1458) | Lost 0-2 | -191537 |
| 5sealed | 205 | Bebbington, Maxwell (1533) | Lost 0-2 | -181519 |
| 6sealed | 401 | Larsen, Christoffer (1959) | Lost 0-2 | -111508 |
| 7sealed | 398 | Barnes, Emma (1502) | Won 2-0 | +181526 |
| 8sealed | 291 | Gutierrez, Daniel (1591) | Lost 1-2 | -171509 |
| 9sealed | 238 | Bohlender, Esra (1541) | Won 2-1 | +191528 |
| top | average opponent: 1578record: 4-4 | new rating: 1528 | ||
| Grand Prix Manchester 2014 (Theros block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 242 | Wattel, Olivier (1426) | Won 2-1 | +171517 |
| 2block | 342 | Rodrigues, Fabio (1671) | Won 2-0 | +201537 |
| 3block | 448 | Laverick-Stovin, Jared (1487) | Lost 1-2 | -181519 |
| 4block | 218 | Brewer, Andrew J (1662) | Won 2-1 | +201539 |
| 5block | 160 | Yao, Shimeng (1711) | Lost 1-2 | -151524 |
| 6block | 299 | Peltier, Charles (1487) | Lost 1-2 | -181506 |
| 7block | 85 | Twizell, Max (1498) | Won 2-0 | +171523 |
| 8block | 267 | Wilkes, Samuel (1526) | Lost 1-2 | -181505 |
| 9block | 219 | Osthof, Nicole (1362) | Won 2-1 | +161521 |
| top | average opponent: 1537record: 5-4 | new rating: 1521 | ||