Stendel, Sonja
Current rating: 1566
Record: 30-24-2
| Grand Prix Barcelona 2016 (SOI limited) | starting rating: 1586 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 80 | Farres, Roger (1500) | Lost 0-2 | -201566 |
| top | record: 0-1 | new rating: 1566 | ||
| Grand Prix Prague 2015 (ORI standard) | starting rating: 1587 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 32 | Barksdale, Web (1500) | Won 2-1 | +171604 |
| 2standard | 155 | Bello Tabbi, Jordi (1557) | Draw 1-1 | -11603 |
| 3standard | 360 | Gonzalez, Angel (1517) | Won 2-0 | +161619 |
| 4standard | 179 | Strobach, Patrick (1716) | Lost 0-2 | -161603 |
| 5standard | 334 | Friedrich, Fabian (1644) | Lost 0-2 | -171586 |
| top | average opponent: 1587record: 2-2-1 | new rating: 1586 | ||
| Grand Prix London 2015 (ORI standard) | starting rating: 1594 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 33 | Eaton, Phil (1500) | Won 2-0 | +161610 |
| 2standard | 13 | Petersdorf, Benjamin (1609) | Won 2-0 | +181628 |
| 3standard | 20 | Rushent, Josh (1534) | Lost 1-2 | -201608 |
| 4standard | 309 | Dahl, Tina (1715) | Lost 1-2 | -161592 |
| 5standard | 395 | Crnkic, Hamza (1451) | Won 2-0 | +161608 |
| 6standard | 298 | Barbieri, Adrian (1490) | Lost 1-2 | -211587 |
| top | average opponent: 1550record: 3-3 | new rating: 1587 | ||
| Grand Prix Utrecht 2015 (MM2 limited) | starting rating: 1593 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 2197 | van Wingerden, Tessa (1432) | Won 2-0 | +151608 |
| 2sealed | 2106 | Best, Jahnu (1498) | Won 2-1 | +161624 |
| 3sealed | 2009 | Mui, Kwok Pong (1481) | Lost 1-2 | -211603 |
| 4sealed | 2146 | Karlsson, Markus (1576) | Lost 1-2 | -181585 |
| 5sealed | 2249 | Miles, Edd (1446) | Won 2-1 | +151600 |
| 6sealed | 2221 | Capes, Shaun (1525) | Won 2-1 | +171617 |
| 7sealed | 2090 | Salomoni, Davide (1318) | Lost 0-2 | -231594 |
| top | average opponent: 1468record: 4-3 | new rating: 1594 | ||
| Grand Prix Vienna 2013 (THS standard) | starting rating: 1561 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 104 | Bouris, Giorgos (1521) | Lost 0-2 | -191542 |
| 3standard | 447 | Alexe, Adrian (1500) | Won 2-1 | +171559 |
| 4standard | 385 | Bakule, Jakub (1663) | Won 2-1 | +201579 |
| 5standard | 311 | Hartmann, Thomas (1536) | Won 2-0 | +171596 |
| 6standard | 222 | Kaapro, Tomi (1564) | Lost 0-2 | -181578 |
| 7standard | 236 | Kytka, Petr (1468) | Won 2-1 | +161594 |
| 8standard | 219 | Atteneder, Simon (1528) | Lost 1-2 | -201574 |
| 9standard | 236 | Vasiliadis, Thanasis (1591) | Won 2-0 | +191593 |
| top | average opponent: 1546record: 5-3 | new rating: 1593 | ||
| Grand Prix Prague 2013 (M14 limited) | starting rating: 1576 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 291 | Boning, Matthias (1545) | Won 2-0 | +171593 |
| 3sealed | 39 | Sobczak, Artur (1448) | Draw 1-1 | -21591 |
| 4sealed | 207 | Lemoine, Vincent (1915) | Lost 1-2 | -131578 |
| 5sealed | 359 | Hauser, Matthias (1594) | Lost 0-2 | -171561 |
| top | average opponent: 1626record: 1-2-1 | new rating: 1561 | ||
| Grand Prix Warsaw 2013 (M14 standard) | starting rating: 1609 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 87 | Bulakowski, Janusz (1480) | Won 2-0 | +151624 |
| 2standard | 95 | Semiglazov, Gennadi (1600) | Lost 1-2 | -181606 |
| 3standard | 315 | Pilorz, Michal (1499) | Lost 0-2 | -201586 |
| 4standard | 409 | Chmura, Agnieszka (1483) | Won 2-1 | +161602 |
| 5standard | 315 | Bobrovskiy, Roman (1500) | Won 2-1 | +161618 |
| 6standard | 248 | van Rijn, Frank (1611) | Lost 1-2 | -181600 |
| 7standard | 354 | Bigorne, Aurelien (1450) | Lost 1-2 | -211579 |
| 8standard | 303 | Buczkowski, Sylwester (1483) | Lost 1-2 | -191560 |
| 9standard | 300 | Stanny, Mateusz (1469) | Won 2-0 | +161576 |
| top | average opponent: 1508record: 4-5 | new rating: 1576 | ||
| Grand Prix Bochum 2012 (RTR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 779 | Oomens, Wouter (1500) | Won 2-1 | +181518 |
| 2standard | 533 | Jung, Carsten (1516) | Won 2-0 | +181536 |
| 3standard | 598 | Schafer, Benedikt (1375) | Won 2-0 | +151551 |
| 4standard | 521 | Heiss, Marvin (1551) | Won 2-0 | +181569 |
| 5standard | 518 | Krauer, Florian (1641) | Lost 1-2 | -171552 |
| 6standard | 597 | Reinhardt, Fabio (1708) | Won 2-0 | +211573 |
| 7standard | 543 | Merrachi, Soufiane (1507) | Won 2-0 | +171590 |
| 8standard | 513 | Rommes, Basile (1597) | Won 2-1 | +181608 |
| 9standard | 516 | Geertsen, Ditlev (1608) | Won 2-1 | +181626 |
| 10standard | 20 | Niznansky, Milan (1598) | Lost 0-2 | -181608 |
| 11standard | 57 | Wallbaum, Jan (1619) | Won 2-0 | +181626 |
| 12standard | 13 | Hendriks, Thomas (1592) | Lost 0-2 | -191607 |
| 13standard | 33 | Goedeke, Lutz (1581) | Won 2-1 | +181625 |
| 14standard | 27 | Kleij, Rogier (1713) | Lost 0-2 | -171608 |
| 15standard | 47 | Klein, Adam (1680) | Lost 0-2 | -161592 |
| 16standard | 55 | Birsan, Mihai Alexandr (1532) | Won 2-1 | +171609 |
| top | average opponent: 1582record: 11-5 | new rating: 1609 | ||