Leth, Tobias
Current rating: 1557
Record: 28-28
| Grand Prix Copenhagen 2019 (MH1 limited) | starting rating: 1514 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 84 | Tang, Mikael (1426) | Won 2-1 | +171531 |
| 2sealed | 26 | Reber, Patrick (1453) | Lost 0-2 | -201511 |
| 3sealed | 390 | Carvalho, Pedro [PRT] (1658) | Won 2-0 | +211532 |
| 4sealed | 171 | Orekhanov, Dmitrii (1516) | Lost 0-2 | -181514 |
| 5sealed | 464 | Olsen, Nichlas (1456) | Won 2-0 | +161530 |
| 6sealed | 286 | Lacour, Jean-Philippe (1507) | Won 2-1 | +181548 |
| 7sealed | 196 | Kundegraber, Michael (1892) | Won 2-0 | +241572 |
| 8sealed | 103 | Semkin, Alexander (1715) | Lost 0-2 | -151557 |
| top | average opponent: 1578record: 5-3 | new rating: 1557 | ||
| Grand Prix Prague 2018 (modern) | starting rating: 1510 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 10 | Przybylski, Marek (1500) | Won 2-0 | +181528 |
| 2modern | 6 | Berg, Chris-Dominic (1581) | Lost 1-2 | -171511 |
| 3modern | 613 | Gross, Moritz (1678) | Won 2-0 | +211532 |
| 4modern | 326 | Treike, Vincent (1503) | Won 2-1 | +171549 |
| 5modern | 316 | Jonassen, Kristoffer (1578) | Lost 1-2 | -171532 |
| 6modern | 295 | Aarela, Tommi (1577) | Lost 1-2 | -171515 |
| 7modern | 526 | Siddall, David (1496) | Won 2-0 | +171532 |
| 8modern | 455 | Knyazev, Ivan (1529) | Lost 0-2 | -181514 |
| top | average opponent: 1555record: 4-4 | new rating: 1514 | ||
| Grand Prix Copenhagen 2017 (modern) | starting rating: 1472 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 189 | Guillerm, Benjamin (1793) | Lost 0-2 | -121460 |
| 2modern | 558 | Sellke, Timo (1480) | Won 1-0 | +181478 |
| 3modern | 73 | Lagerspetz, Simo (1719) | Won 2-1 | +231501 |
| 4modern | 459 | Olsen, Patrick (1449) | Lost 1-2 | -191482 |
| 5modern | 598 | Fichtmuller, Lukas (1517) | Won 2-0 | +181500 |
| 6modern | 508 | Tsarkov, Kirill (1739) | Lost 0-2 | -131487 |
| 7modern | 626 | Stausland, Jan-Erik (1505) | Won 2-0 | +181505 |
| 8modern | 483 | Alagappan, Anand (1584) | Lost 0-2 | -171488 |
| 9modern | 443 | Blankevoort, Tijmen (1692) | Won 2-0 | +221510 |
| top | average opponent: 1609record: 5-4 | new rating: 1510 | ||
| Grand Prix Prague 2016 (legacy) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 149 | Naismith-Robertson, Rowan (1500) | Lost 0-2 | -181465 |
| 2legacy | 380 | Favini, Mauro (1523) | Won 2-1 | +191484 |
| 3legacy | 416 | Masaladzhiu, Roman (1652) | Won 2-0 | +211505 |
| 4legacy | 300 | Soegaard, Rasmus (1599) | Lost 1-2 | -161489 |
| 5legacy | 511 | Przybyla, Rafal (1502) | Lost 0-2 | -181471 |
| 6legacy | 469 | Ruiz Garcia, Santiago (1478) | Lost 1-2 | -181453 |
| 7legacy | 543 | Robin, Mathieu (1433) | Won 2-1 | +181471 |
| 8legacy | 443 | Andersson, Thomas (1541) | Won 2-0 | +191490 |
| 9legacy | 360 | Oberheuser, Christian (1500) | Lost 1-2 | -181472 |
| top | average opponent: 1525record: 4-5 | new rating: 1472 | ||
| Grand Prix Copenhagen 2015 (modern) | starting rating: 1477 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 66 | Chooi, Mark (1500) | Won 2-0 | +181495 |
| 2modern | 64 | Alm, Marcus (1517) | Won 2-1 | +191514 |
| 3modern | 238 | Larsen, Mikkel Ulstrup (1537) | Lost 0-2 | -181496 |
| 4modern | 327 | Elmose, Jens (1527) | Won 2-1 | +191515 |
| 5modern | 103 | Rask, Love (1541) | Lost 0-2 | -181497 |
| 6modern | 299 | Jessen, Kristian (1680) | Lost 0-2 | -141483 |
| top | average opponent: 1550record: 3-3 | new rating: 1483 | ||
| Grand Prix Utrecht 2015 (MM2 limited) | starting rating: 1471 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1361 | Van 'T Land, Remco (1500) | Won 2-1 | +181489 |
| 2sealed | 1039 | Shan, Armin (1652) | Won 2-0 | +211510 |
| 3sealed | 1211 | Petrushchenko, Sergey (1536) | Lost 1-2 | -171493 |
| 4sealed | 1128 | Pannekoek, Andre (1448) | Lost 1-2 | -191474 |
| 5sealed | 1371 | Vazquez, Francisco Fidel (1674) | Won 2-1 | +221496 |
| 6sealed | 1221 | Thom, Erwin (1463) | Lost 1-2 | -191477 |
| top | average opponent: 1545record: 3-3 | new rating: 1477 | ||
| Grand Prix Paris 2011 (MBS limited) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 93 | Colonges, Laurent (1515) | Won 2-0 | +191485 |
| 2sealed | 5 | Jung, Jonathan (1518) | Won 2-0 | +181503 |
| 3sealed | 105 | von Beschwitz, Bastian (1628) | Lost 1-2 | -161487 |
| 4sealed | 199 | Ngonvorarath, Ekxay (1463) | Lost 1-2 | -181469 |
| 5sealed | 241 | Farkas, David (1585) | Won 2-1 | +201489 |
| 6sealed | 128 | Erenyi, Jakub (1477) | Lost 0-2 | -181471 |
| top | average opponent: 1531record: 3-3 | new rating: 1471 | ||
| Grand Prix Bochum 2010 (SOM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 559 | Hintze, Jorn (1574) | Lost 0-2 | -171483 |
| 2sealed | 863 | Kinter, Andreas (1482) | Won 2-0 | +181501 |
| 3sealed | 792 | Hoinisch, Andreas (1520) | Lost 1-2 | -171484 |
| 4sealed | 848 | Johannwerner, Kai (1486) | Lost 0-2 | -181466 |
| top | average opponent: 1516record: 1-3 | new rating: 1466 | ||