Janc, Slawomir
Current rating: 1485
| Grand Prix Montreal 2018 (GRN limited) | starting rating: 1489 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 304 | Pearce, Jade (1348) | Won 2-0 | +161505 |
| 2sealed | 137 | Metivier, Nicolas (1520) | Lost 1-2 | -181487 |
| 3sealed | 248 | Nevins, Philip (1450) | Lost 0-2 | -191468 |
| 4sealed | 410 | Sorensen, Scott (1293) | Won 2-0 | +151483 |
| 5sealed | 390 | Isber, Bruce (1488) | Won 2-1 | +181501 |
| 6sealed | 280 | Fievet, Colas (1586) | Lost 1-2 | -161485 |
| top | average opponent: 1448record: 3-3 | new rating: 1485 | ||
| Grand Prix Copenhagen 2008 (EVE standard) | starting rating: 1505 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 75 | Heimerl, Stefan (1429) | Won 2-1 | +171522 |
| 2standard | 140 | Nepper-Christensen, Niels (1645) | Won 2-1 | +201542 |
| 3standard | 85 | Wallden, Valtteri (1519) | Lost 0-2 | -191523 |
| 4standard | 165 | Frederiksen, Anders (1570) | Lost 0-2 | -171506 |
| 5standard | 221 | Runge, Jurgen (1501) | Won 2-0 | +181524 |
| 6standard | 169 | Jankowski, Wojciech (1584) | Won 2-1 | +191543 |
| 7standard | 100 | Willems, Sjoerd (1609) | Lost 0-2 | -171526 |
| 8standard | 132 | Suther, Lars (1507) | Lost 0-2 | -181508 |
| 9standard | 111 | Saxrud, Are (1456) | Lost 0-2 | -191489 |
| top | average opponent: 1536record: 4-5 | new rating: 1489 | ||
| Grand Prix Krakow 2007 (LRW standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 522 | Drzewiecki, Tomek P (1500) | Lost 1-2 | -181482 |
| 2standard | 641 | Rossijcenko, Alexander (1482) | Won 2-1 | +181500 |
| 3standard | 641 | Lebeda, Jiri (1652) | Won 2-0 | +211521 |
| 4standard | 580 | Gorczowski, Michal (1518) | Won 2-0 | +181539 |
| 5standard | 565 | Langenhan, Soren (1546) | Lost 0-2 | -181521 |
| 6standard | 582 | Koska, Adam (1633) | Lost 1-2 | -161505 |
| top | average opponent: 1555record: 3-3 | new rating: 1505 | ||