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Individual Calculations August 2018 |
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| Petrak, Robert Total change: 17.20 | |   |
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| CZECH OPEN 2018 - E - 4-member team tournament | Pardubice | CZE | 2018-07-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1987 | 2005 | 4.00 | 6 | 0.86 | 20 | 17.20 | |
|  Bujak, Michal | | | 2209 | CZE | 0.00 | 1 | -0.24 | 20 | -4.80 | |  Yazlovetskiy, Denis | | | 1927 | UKR | 0.50 | 1 | -0.11 | 20 | -2.20 | | | Grundman, Vaclav | | | 2013 | CZE | 1.00 | 1 | 0.51 | 20 | 10.20 | | | Rada, Miroslav | | | 1926 | CZE | 1.00 | 1 | 0.39 | 20 | 7.80 | | | Holasek, Pavel | | | 2092 | CZE | 1.00 | 1 | 0.62 | 20 | 12.40 | | | Blaha, Marek | | | 1752 | CZE | 0.50 | 1 | -0.31 | 20 | -6.20 | |
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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