Mostyn, George
Current rating: 1483
Record: 49-62-3
- 2014
- 2015
- 2016
- 2017
- 2018
- 2019
- 2020
- 2023
| Regional Championships Lille 2023 (pioneer) | starting rating: 1560 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 73 | Artinyan, Remy (1491) | Lost 0-2 | -191541 |
| 2pioneer | 183 | Senneca, Marco (1390) | Lost 1-2 | -211520 |
| 3pioneer | 301 | Sutherland, Jamie (1471) | Lost 1-2 | -191501 |
| 4pioneer | 313 | Dei Lazzaretti, Marco (1466) | Lost 1-2 | -181483 |
| top | average opponent: 1455record: 0-4 | new rating: 1483 | ||
| Regional Championships Naples 2023 (ONE standard) | starting rating: 1588 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 77 | Smith, Christian (1500) | Lost 0-2 | -201568 |
| 2standard | 182 | ferretti, davide (1487) | Lost 0-2 | -191549 |
| 3standard | 197 | Trentadue, Lorenzo (1400) | Lost 0-2 | -211528 |
| 4standard | 226 | Katsiardanis, Lampros (1459) | Won 2-0 | +171545 |
| 5standard | 201 | Birettoni, Luca (1500) | Won 2-0 | +171562 |
| 6standard | 161 | Soriano, Gianluca (1656) | Won 2-0 | +191581 |
| 7standard | 136 | Oncina, Adolfo (1474) | Lost 0-2 | -191562 |
| 8standard | 117 | Szulborski, Michal (1537) | Lost 1-2 | -191543 |
| 9standard | 107 | Da Riol, Andrea (1491) | Won 2-0 | +171560 |
| top | average opponent: 1500record: 4-5 | new rating: 1560 | ||
| Grand Prix Brussels 2020 (pioneer) | starting rating: 1562 | |||
| round | table | opponent (rating) | result | Δrating |
| 3pioneer | 70 | Rieken, Edgar (1575) | Lost 0-2 | -181544 |
| 4pioneer | 290 | Weiss, Julian (1643) | Draw 1-1 | +21546 |
| 5pioneer | 392 | Badenberg, Leonhard (1537) | Won 2-0 | +181564 |
| 6pioneer | 258 | Genest, Sebastien (1562) | Won 2-0 | +181582 |
| 7pioneer | 155 | Fernandes, Bruno (1663) | Lost 0-2 | -171565 |
| 8pioneer | 256 | Wafo-Tapa, Bruno (1804) | Won 2-1 | +231588 |
| top | average opponent: 1631record: 3-2-1 | new rating: 1588 | ||
| Grand Prix Copenhagen 2019 (MH1 limited) | starting rating: 1525 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 148 | Lampadarios, Christoforos (1830) | Lost 1-2 | -121513 |
| 3sealed | 508 | Burton, Oliver (1633) | Won 2-0 | +201533 |
| 4sealed | 415 | Rennard, Alex (1789) | Lost 1-2 | -141519 |
| 5sealed | 476 | Tukia, Kaarle (1490) | Won 2-1 | +181537 |
| 6sealed | 200 | Mauch, Hannes (1964) | Lost 0-2 | -111526 |
| 7sealed | 293 | Gutierrez Martinez, Diego (1500) | Won 2-0 | +181544 |
| 8sealed | 246 | Ferguson, David (1565) | Won 2-0 | +181562 |
| top | average opponent: 1681record: 4-3 | new rating: 1562 | ||
| Grand Prix Prague 2019 (UMA limited) | starting rating: 1414 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 521 | Esteban Fernandez, Ignacio (1529) | Won 2-0 | +201434 |
| 3sealed | 264 | Stuckler, Thomas (1586) | Lost 1-2 | -161418 |
| 4sealed | 405 | Larsen, Michael (1547) | Won 2-1 | +211439 |
| 5sealed | 475 | Malkoc, Gari (1499) | Won 2-0 | +191458 |
| 6sealed | 298 | Welbourne, Markus (1223) | Won 2-1 | +141472 |
| 7sealed | 139 | Zamboni, Filippo (1617) | Lost 1-2 | -161456 |
| 8sealed | 227 | de Graaff, Claes (1665) | Won 2-1 | +221478 |
| 9sealed | 732 | Mauguin, Matthieu (1712) | Won 2-0 | +221500 |
| 10draft | 672 | Harle, Thomas (1761) | Lost 0-2 | -131487 |
| 11draft | 665 | Langer, Tim (1788) | Lost 1-2 | -131474 |
| 12draft | 674 | Corrigan, Abe (1876) | Won 2-1 | +251499 |
| 13draft | 638 | Gregorich, Christian (1692) | Won 2-1 | +221521 |
| 14draft | 742 | Allard, Jason (1603) | Lost 0-2 | -171504 |
| 15draft | 707 | Bastogne, Jerome (1671) | Won 2-0 | +211525 |
| top | average opponent: 1626record: 9-5 | new rating: 1525 | ||
| Grand Prix Lille 2018 (GRN standard) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 181 | Couzinet, Mickael (1518) | Lost 0-2 | -171446 |
| 3standard | 181 | Stuertz, Matthias (1469) | Lost 0-2 | -171429 |
| 4standard | 181 | Nobime, Michel (1361) | Lost 0-2 | -201409 |
| 5standard | 181 | Maroye, Thierry (1381) | Won 2-0 | +181427 |
| 6standard | 181 | Nogales Carrasco, Daniel (1542) | Won 2-0 | +201447 |
| 7standard | 181 | Lavrijssen, Remon (1593) | Lost 1-2 | -151432 |
| 8standard | 181 | Kratzer, Richard (1430) | Lost 1-2 | -181414 |
| top | average opponent: 1470record: 2-5 | new rating: 1414 | ||
| Grand Prix Birmingham 2018 (leg) (legacy) | starting rating: 1422 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 100 | Jansson, Filip (1580) | Won 2-0 | +201442 |
| 3legacy | 131 | Hansen, Martin (1592) | Lost 1-2 | -151427 |
| 4legacy | 280 | Melero, Javier (1744) | Lost 1-2 | -121415 |
| 5legacy | 439 | Grzesik, Dawid (1500) | Won 2-0 | +191434 |
| 6legacy | 248 | Dalton, Peter (1519) | Won 2-0 | +201454 |
| 7legacy | 217 | Omrcen, Ante (1729) | Won 2-0 | +231477 |
| 8legacy | 114 | Grupp, Momme (1732) | Lost 0-2 | -141463 |
| top | average opponent: 1628record: 4-3 | new rating: 1463 | ||
| Grand Prix London 2018 (RIX limited) | starting rating: 1437 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 322 | Gutierrez Gallego, Jose Francisco (1747) | Lost 0-2 | -121425 |
| 3sealed | 813 | Holmes, Greg (1611) | Won 2-1 | +211446 |
| 4sealed | 454 | Naismith-Robertson, Rowan (1633) | Lost 1-2 | -141432 |
| 5sealed | 687 | Morawski, Jonathan (1904) | Lost 1-2 | -101422 |
| top | average opponent: 1724record: 1-3 | new rating: 1422 | ||
| Grand Prix Liverpool 2017 (XLN limited) | starting rating: 1421 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 258 | O'Leary, John (1619) | Lost 1-2 | -151406 |
| 3sealed | 269 | Cook, Russell (1351) | Won 2-0 | +171423 |
| 4sealed | 293 | Cooper, Martyn (1488) | Lost 0-2 | -171406 |
| 5sealed | 366 | Weetman, James (1523) | Lost 1-2 | -151391 |
| 6sealed | 378 | Single-Liertz, Banjo (1501) | Won 2-0 | +201411 |
| 7sealed | 297 | Lilley, Tarun (1499) | Won 2-1 | +191430 |
| 8sealed | 296 | Baden, Ashley (1708) | Won 2-1 | +231453 |
| 9sealed | 165 | Johansson, Jens (1577) | Lost 0-2 | -161437 |
| top | average opponent: 1533record: 4-4 | new rating: 1437 | ||
| Grand Prix Madrid 2016 (KLD standard) | starting rating: 1432 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 339 | Demange, Kevin (1814) | Won 2-0 | +251457 |
| 4standard | 147 | Toro Drago, Rafael (1516) | Won 2-0 | +191476 |
| 5standard | 57 | Morales Carretero, Jose Luis (1539) | Lost 1-2 | -171459 |
| 6standard | 144 | Prieto, Pablo (1602) | Lost 1-2 | -161443 |
| 7standard | 177 | Scheinin, Martin (1964) | Lost 0-2 | -91434 |
| 8standard | 335 | Caillaba, Germain (1693) | Lost 0-2 | -131421 |
| top | average opponent: 1688record: 2-4 | new rating: 1421 | ||
| Grand Prix Manchester 2016 (SOI standard) | starting rating: 1373 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 60 | Verri, Alessandro (1598) | Won 2-1 | +221395 |
| 4standard | 59 | Beever, Simeon (1485) | Lost 1-2 | -161379 |
| 5standard | 368 | Bain, Callum (1541) | Won 2-1 | +211400 |
| 6standard | 62 | Beckett, Sebastian (1592) | Won 2-1 | +221422 |
| 7standard | 122 | Goldstein, Janna (1574) | Won 2-1 | +201442 |
| 8standard | 57 | Starka, Jakub (1713) | Lost 0-2 | -131429 |
| 9standard | 121 | Vontitsos, George (1586) | Won 2-1 | +211450 |
| 10standard | 83 | Bogaard, Erikjan (1625) | Lost 0-2 | -151435 |
| 11standard | 157 | Jara Perez, Juan Carlos (1613) | Lost 0-2 | -151420 |
| 12standard | 186 | Schlichting, Kai (1798) | Won 2-1 | +251445 |
| 13standard | 123 | Schaller, Sebastian (1725) | Lost 1-2 | -131432 |
| top | average opponent: 1623record: 6-5 | new rating: 1432 | ||
| Grand Prix Brussels 2015 (BFZ standard) | starting rating: 1394 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 441 | Savat, Giovanni (1500) | Won 0-0 | +201414 |
| 2standard | 392 | Baldo, Enrico (1517) | Won 0-0 | +201434 |
| 3standard | 168 | Faehler, Bjoern (1532) | Lost 0-2 | -161418 |
| 4standard | 458 | Leigh, Simon (1679) | Lost 1-2 | -141404 |
| 5standard | 545 | Matthies, Mario (1591) | Lost 0-2 | -141390 |
| 6standard | 694 | Heisterkamp, Florian (1486) | Lost 0-2 | -171373 |
| top | average opponent: 1551record: 2-4 | new rating: 1373 | ||
| Grand Prix London 2015 (ORI standard) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 233 | Peeters, Stijn (1481) | Lost 0-2 | -181428 |
| 2standard | 406 | Hilmarsson, Daniel (1482) | Lost 0-2 | -171411 |
| 3standard | 556 | Hutchings, Terry (1464) | Lost 1-2 | -171394 |
| top | average opponent: 1476record: 0-3 | new rating: 1394 | ||
| Grand Prix Lille 2015 (legacy) | starting rating: 1443 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 415 | Barker, Andrew (1426) | Won 2-0 | +181461 |
| 2legacy | 171 | Verbeeck, Matthias (1524) | Draw 1-1 | +11462 |
| 3legacy | 323 | Sagendorf, Sean (1516) | Draw 1-1 | +11463 |
| 4legacy | 462 | Gonda, Armel (1484) | Lost 0-2 | -171446 |
| top | average opponent: 1487record: 1-1-2 | new rating: 1446 | ||
| Grand Prix Utrecht 2015 (MM2 limited) | starting rating: 1473 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 2270 | Langjahr, Christian (1491) | Lost 1-2 | -171456 |
| 2sealed | 2301 | Pohl, Kajetan (1479) | Lost 0-2 | -181438 |
| 3sealed | 2415 | Scullion, Chris (1465) | Won 2-1 | +181456 |
| 4sealed | 2364 | Noorlander, Niels (1729) | Lost 1-2 | -131443 |
| top | average opponent: 1541record: 1-3 | new rating: 1443 | ||
| Grand Prix Liverpool 2015 (FRF limited) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 600 | Gutierrez, Daniel (1573) | Lost 1-2 | -161448 |
| 2sealed | 567 | McAuley, Kyle (1482) | Won 2-0 | +191467 |
| 3sealed | 549 | Annells, Christopher (1494) | Won 2-0 | +181485 |
| 4sealed | 201 | Lecercle, Jeremy (1609) | Lost 0-2 | -151470 |
| 5sealed | 385 | Black, Dylan (1533) | Won 2-1 | +191489 |
| 6sealed | 395 | Zimmermann, Raoul (1625) | Lost 0-2 | -161473 |
| top | average opponent: 1553record: 3-3 | new rating: 1473 | ||
| Grand Prix Manchester 2014 (Theros block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 465 | Smith, Simon (1500) | Won 2-0 | +181518 |
| 2block | 2 | Pegler, Alex (1518) | Lost 0-2 | -181500 |
| 3block | 407 | Colley, Dan (1463) | Lost 0-2 | -191481 |
| 4block | 567 | Sutton, Alex (1537) | Won 2-1 | +191500 |
| 5block | 317 | Spencer, Richard (1502) | Lost 1-2 | -181482 |
| 6block | 482 | Mohammed, Samiuddin (1482) | Lost 0-2 | -181464 |
| 7block | 404 | Curry, Michael (1466) | Won 2-0 | +181482 |
| 8block | 319 | van der Linden, Mark (1478) | Lost 1-2 | -181464 |
| top | average opponent: 1493record: 3-5 | new rating: 1464 | ||