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Rapid:
Individual Calculations September 2021 |
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| Grabarczyk, Edmund Total change: -11.40 | |   |
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| 2. runda Grand Prix Bialegostoku "Lato-Jesien 2021" - rapid | Bialystok | POL | 2021-08-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1327 | 1122 | 0.00 | 3 | -0.76 | 20 | -15.20 | |
|  Ptaszynski, Szymon | | | 1462 | POL | 0.00 | 1 | -0.12 | 20 | -2.40 | |  Dunda, Szymon | | | 1328 | POL | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Saniukowicz, Ryszard | | | 1191 | POL | 0.00 | 1 | -0.40 | 20 | -8.00 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | 4. runda Grand Prix Bialegostoku "Lato-Jesien 2021" - rapid | Bialystok | POL | 2021-08-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1445 | 1122 | 1.00 | 4 | 0.19 | 20 | 3.80 | |
| | Arciszewska, Zuzanna | | | 1438 | POL | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Wilczewski, Michal | | | 1233 | POL | 1.00 | 1 | 0.65 | 20 | 13.00 | | | Kaminski, Maciej | | | 1853 | POL | 0.00 | 1 | -0.01 | 20 | -0.20 | | | Rusak, Jan | | | 1256 | POL | 0.00 | 1 | -0.32 | 20 | -6.40 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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