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Individual Calculations December 2017 |
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| Petrak, Robert Total change: 44.00 | |   |
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| Krajska soutez SSS - skupina A 2017/2018 r2-3 | various | CZE | 2017-11-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2022 | 1988 | 2.00 | 2 | 1.09 | 20 | 21.80 | |
|  Rosenbaum, Vit | | | 2132 | CZE | 1.00 | 1 | 0.69 | 20 | 13.80 | |  Sedlak, Ludek | | | 1912 | CZE | 1.00 | 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) | | | | 1. divize JCSS 2017/2018 r3-4 | various | CZE | 2017-11-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2026 | 1988 | 2.00 | 2 | 1.11 | 20 | 22.20 | |
| | Puncochar, Jiri | | | 2008 | CZE | 1.00 | 1 | 0.53 | 20 | 10.60 | | | Fiala, Jan | | | 2043 | CZE | 1.00 | 1 | 0.58 | 20 | 11.60 | |
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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