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Individual Calculations April 2021 |
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| Seo, Ian Total change: 74.40 | |   |
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| Druzynowe Mistrzostwa Mazowsza 2021 Round 4-7 | mazowieckie | POL | 2021-02-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1387 | 1171 | 1.00 | 2 | 0.46 | 40 | 18.40 | |
|  Wypych, Dominik | | | 1571 * | POL | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Seliga, Mariusz | | | 1203 | POL | 1.00 | 1 | 0.54 | 40 | 21.60 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | Otwarta Liga Mazowiecka 2021 Round 7-10 | mazowieckie | POL | 2021-03-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1133 | 1265 | 1.00 | 2 | -0.36 | 40 | -14.40 | |
| | Kwiatkowski, Szymon | | | 1148 | POL | 0.00 | 1 | -0.66 | 40 | -26.40 | | | Wasilewski, Tomasz | | | 1118 | POL | 1.00 | 1 | 0.30 | 40 | 12.00 | |
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) | | | | Turniej Fide w Montowni Rozrywki | Warszawa | POL | 2021-03-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1422 | 1265 | 3.50 | 5 | 1.83 | 40 | 73.20 | |
| | Klask, Franciszek | | | 1049 | POL | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Polgrabia, Miroslaw | | | 1644 | POL | 0.50 | 1 | 0.41 | 40 | 16.40 | | | Carrieri, Maurizio | | | 1665 * | ITA | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Siudak, Tomasz | | | 1484 | POL | 1.00 | 1 | 0.78 | 40 | 31.20 | | | Kwiecinski, Mariusz | | | 1268 | POL | 0.50 | 1 | 0.00 | 40 | 0.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | Marcowy Turniej Fide w Bughouse | Warszawa | POL | 2021-03-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1156 | 1265 | 2.50 | 4 | -0.07 | 40 | -2.80 | |
| | Tomczyk, Aleksander | | | 1014 | POL | 1.00 | 1 | 0.19 | 40 | 7.60 | | | Rutkowski, Feliks | | | 1179 | POL | 0.00 | 1 | -0.62 | 40 | -24.80 | | | Cylc, Bartlomiej | | | 1200 | POL | 0.50 | 1 | -0.09 | 40 | -3.60 | | | Krogulski, Maksymilian | | | 1232 | POL | 1.00 | 1 | 0.45 | 40 | 18.00 | |
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) | | |
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