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Individual Calculations February 2019 |
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| Petrik, Petr Total change: 21.60 | |   |
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| Krajsky prebor SSZK 2018/2019 r5-6 | various | CZE | 2019-01-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1987 | 2016 | 2.00 | 2 | 0.92 | 20 | 18.40 | |
|  Vavra, Antonin | | | 1943 | CZE | 1.00 | 1 | 0.40 | 20 | 8.00 | |  Zichacek, Libor | | | 2030 | CZE | 1.00 | 1 | 0.52 | 20 | 10.40 | |
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) | | | | 2. liga 2018/2019 E r6-7 | various | CZE | 2019-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1847 | 2016 | 1.50 | 2 | 0.16 | 20 | 3.20 | |
| | Bosak, Jan | | | 2077 | CZE | 0.50 | 1 | 0.08 | 20 | 1.60 | | | Krmicek, Antonin | | | 1616 * | CZE | 1.00 | 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) | | |
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