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Individual Calculations July 2021 |
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| Kreft, Wojciech Total change: -22.40 | |   |
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| III Grand-Prix Gminy Zabierzow - Grupa A FIDE do 2200 ELO | Zabierzow | POL | 2021-05-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1488 | 1511 | 2.00 | 4 | -0.14 | 20 | -2.80 | |
|  Nowak, Maciej | | | 1145 | POL | 1.00 | 1 | 0.10 | 20 | 2.00 | |  Kaim, Piotr | | | 1911 * | POL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Pudelko, Magdalena | | | 1311 | POL | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Rozek, Michal | | | 1585 | POL | 0.00 | 1 | -0.40 | 20 | -8.00 | | | * 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) | | | | Miedzynarodowe Mistrzostwa Malopolski Seniorow i Juniorow - Grupa B | Krakow | POL | 2021-06-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1823 | 1511 | 0.00 | 3 | -0.43 | 20 | -8.60 | |
| | Owoc, Jakub | | | 1758 | POL | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Wieczorek, Jakub | | | 1799 | POL | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Zinchenko, Anatoly | | | 1911 * | RUS | 0.00 | 1 | -0.08 | 20 | -1.60 | | | * 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) | | | | I Weekendowy turniej w Woli Zarczyckiej - U2200 | Wola Zarczycka | POL | 2021-06-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1866 | 1511 | 0.00 | 5 | -0.55 | 20 | -11.00 | |
| | Kasperek, Ryszard | | | 1911 * | POL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Sygulski, Piotr | | | 1819 | POL | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Miasik, Adrian | | | 1911 * | POL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Lopuszanski, Kamil | | | 1911 * | POL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Trybowska, Barbara | | | 1779 | POL | 0.00 | 1 | -0.17 | 20 | -3.40 | | | * 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) | | |
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