Janczyk, Tomas
Current rating: 1527
Record: 14-14
| Grand Prix Krakow 2019 (M20 limited) | starting rating: 1505 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 380 | Marti, Jordi (1651) | Won 2-0 | +201525 |
| 2sealed | 396 | Kramm, Stefan (1512) | Lost 0-2 | -181507 |
| 3sealed | 355 | Schenk, Michael (1512) | Won 2-1 | +181525 |
| 4sealed | 199 | D'Eredita, Gianluca (1408) | Lost 1-2 | -201505 |
| 5sealed | 269 | Salomonsen, Stig (1505) | Lost 0-2 | -181487 |
| 6sealed | 323 | Wypychowski, Filip (1490) | Won 2-0 | +181505 |
| 7sealed | 370 | Kubicek, Matej (1748) | Won 2-1 | +221527 |
| top | average opponent: 1546record: 4-3 | new rating: 1527 | ||
| Grand Prix Warsaw 2018 (GRN limited) | starting rating: 1492 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 407 | Esteban Manrique, Alejandro (1500) | Won 2-0 | +181510 |
| 2sealed | 241 | Prokhorov, Vladislav (1469) | Won 2-1 | +171527 |
| 3sealed | 360 | Ortega, Jon (1504) | Won 2-1 | +181545 |
| 4sealed | 167 | Sajgalik, Eduardo (2045) | Lost 1-2 | -101535 |
| 5sealed | 383 | Belova, Zoya (1635) | Lost 1-2 | -161519 |
| 6sealed | 481 | Jalaksa, Filip (1665) | Lost 0-2 | -151504 |
| 7sealed | 442 | Kurylowicz, Jakub (1508) | Lost 1-2 | -181486 |
| 8sealed | 480 | Piatkowski, Lukasz (1544) | Won 2-0 | +191505 |
| top | average opponent: 1609record: 4-4 | new rating: 1505 | ||
| Grand Prix Prague 2017 (AER limited) | starting rating: 1517 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 387 | Rossi, Kevin (1572) | Lost 0-2 | -171500 |
| 2sealed | 511 | Ahmed, Ben (1445) | Won 2-0 | +171517 |
| 3sealed | 769 | Baumgart, Tino (1636) | Lost 0-2 | -151502 |
| 4sealed | 725 | Schneck, Ronja (1483) | Won 2-0 | +171519 |
| 5sealed | 741 | Sele, Yves (1968) | Lost 0-2 | -101509 |
| 6sealed | 762 | Rosales Jimenez, Israel (1553) | Lost 0-2 | -171492 |
| top | average opponent: 1610record: 2-4 | new rating: 1492 | ||
| Grand Prix Prague 2013 (M14 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 354 | Nahlovsky, Jiri (1500) | Lost 0-2 | -181482 |
| 2sealed | 355 | Gallistl, Pamela (1481) | Won 2-0 | +181500 |
| 3sealed | 402 | Schroeter, Dirk (1448) | Won 2-1 | +171517 |
| 4sealed | 223 | Carneiro, Elton (1527) | Won 2-1 | +181535 |
| 5sealed | 261 | Zacka, Ondrej (1448) | Won 2-1 | +171552 |
| 6sealed | 105 | Laky, Philipp (1640) | Lost 0-2 | -171535 |
| 7sealed | 213 | Sasorov, Basil (1543) | Lost 0-2 | -181517 |
| top | average opponent: 1512record: 4-3 | new rating: 1517 | ||