Klemmensen, Mathias
Current rating: 1589
Record: 18-15-1
| Grand Prix London 2019 (WAR sealed) | starting rating: 1539 | |||
| round | table | opponent (rating) | result | Δrating |
| A1sealed | 293 | Van Heijst, Wouter (1500) | Lost 0-2 | -191520 |
| A2sealed | 308 | Martin, Larry (1501) | Won 2-0 | +171537 |
| A3sealed | 145 | Twist, Lukas (1826) | Lost 0-2 | -121525 |
| A4sealed | 216 | Hinch, Leeanne (1430) | Won 2-0 | +161541 |
| A5sealed | 109 | Nuttall, Daniel (1594) | Won 2-0 | +191560 |
| A6sealed | 89 | Ponza, Valerio (1526) | Lost 1-2 | -191541 |
| A7sealed | 80 | Klakauskas, Paulius (1564) | Lost 0-2 | -171524 |
| C1sealed | 416 | Horing, Jonas (1475) | Won 2-0 | +171541 |
| C2sealed | 60 | Beckett, Matthew (1556) | Won 2-0 | +181559 |
| C3sealed | 20 | Saramet, Cezar Valentin (1414) | Won 2-0 | +151574 |
| C4sealed | 5 | Pruijt, Daan (2073) | Lost 0-2 | -91565 |
| C5sealed | 43 | Takakuwa, Yusuke (1608) | Won 2-1 | +191584 |
| C6sealed | 52 | Lucas, Alun (1504) | Won 2-0 | +161600 |
| C7sealed | 43 | Li, Fabien (2025) | Lost 0-2 | -111589 |
| top | average opponent: 1614record: 8-6 | new rating: 1589 | ||
| Grand Prix Strasbourg 2019 (RNA limited) | starting rating: 1489 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 480 | Schramm, Markus (1611) | Won 2-0 | +201509 |
| 2sealed | 131 | Buason, Birgir Hrafn (1505) | Won 2-0 | +181527 |
| 3sealed | 7 | Fauvel, Thomas (1536) | Won 2-0 | +181545 |
| 4sealed | 105 | Rotanzi, Maurizio (1575) | Lost 0-2 | -181527 |
| 5sealed | 294 | Dinescu, Fabian (1797) | Won 2-1 | +231550 |
| 6sealed | 97 | Massot, Joan (1580) | Lost 1-2 | -171533 |
| 7sealed | 327 | Rolin, Christophe (1844) | Lost 0-2 | -131520 |
| 8sealed | 295 | Blandenier, Baptiste (1532) | Won 2-0 | +191539 |
| top | average opponent: 1623record: 5-3 | new rating: 1539 | ||
| Grand Prix Warsaw 2018 (GRN limited) | starting rating: 1488 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 348 | Casadei, Mattia (1459) | Won 2-0 | +171505 |
| 2sealed | 287 | Kanelis, Pavlos (1501) | Lost 0-2 | -181487 |
| 3sealed | 650 | Crotti, Enrico (1581) | Lost 0-2 | -161471 |
| 4sealed | 742 | Avanzolini, Amedeo (1391) | Won 2-1 | +161487 |
| 5sealed | 523 | Ludena, David (1476) | Lost 1-2 | -181469 |
| 6sealed | 621 | Roppola, Pontus (1489) | Won 2-1 | +191488 |
| 7sealed | 455 | Klepczarek, Lukasz (1593) | Lost 1-2 | -171471 |
| 8sealed | 486 | Lange, Silke (1424) | Won 2-0 | +181489 |
| top | average opponent: 1489record: 4-4 | new rating: 1489 | ||
| Grand Prix Copenhagen 2018 (DOM standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 93 | Bendix Nielsen, Andreas (1734) | Draw 1-1 | +41504 |
| 2standard | 155 | Furberg, Jacob (1499) | Lost 0-2 | -181486 |
| 3standard | 320 | Wintero, Morten (1579) | Won 2-1 | +201506 |
| 4standard | 266 | Jensen, Jesper (1502) | Lost 0-2 | -181488 |
| top | average opponent: 1579record: 1-2-1 | new rating: 1488 | ||