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Individual Calculations September 2015 |
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| Portych, Vaclav Total change: -21.80 | |   |
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| CZECH OPEN 2015 - C - open rating tournament | Pardubice, Tipsport arena | CZE | 2015-07-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1685 | 1891 | 1.50 | 3 | -0.79 | 20 | -15.80 | |
|  Cejda, Moritz | | | 1660 | GER | 0.50 | 1 | -0.29 | 20 | -5.80 | |  Shilnikov, Anton | | | 1658 | RUS | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Neiman, Maks | | | 1736 | ISR | 0.00 | 1 | -0.71 | 20 | -14.20 | |
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) | | | | Mistrovstvi CR senioru nad 60 let 2015 | Rychnov nad Kneznou | CZE | 2015-08-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1873 | 1890 | 4.50 | 9 | -0.30 | 20 | -6.00 | |
| | Vacek, Jaroslav | | | 1672 | CZE | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Sejkora, Vlastimil | f | | 2260 | CZE | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Palla, Stanislav | | | 1738 | CZE | 0.50 | 1 | -0.20 | 20 | -4.00 | | | Mares, Ilja | | | 1787 | CZE | 0.50 | 1 | -0.14 | 20 | -2.80 | | | Burdilak, Milan | | | 1743 | CZE | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Zboril, Jaroslav | | | 1998 | CZE | 0.50 | 1 | 0.15 | 20 | 3.00 | | | Salac, Jiri | | | 2128 | CZE | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Kasik, Miroslav | | | 1753 | CZE | 0.50 | 1 | -0.18 | 20 | -3.60 | | | Splitek, Lubos | | | 1777 | CZE | 0.50 | 1 | -0.15 | 20 | -3.00 | |
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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