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Individual Calculations September 2021 |
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| Portych, Vaclav Total change: -30.60 | |   |
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| CZECH OPEN 2021 - B - open rating tournament | Pardubice | CZE | 2021-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1722 | 1785 | 4.00 | 9 | -1.16 | 20 | -23.20 | |
|  Dobsinsky, Petr | | | 1385 * | CZE | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Kozlowski, Pawel | | | 1965 | POL | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Juros, Zbynek | | | 1457 | CZE | 0.00 | 1 | -0.87 | 20 | -17.40 | | | Fiala, Jan | | | 1644 | CZE | 0.50 | 1 | -0.19 | 20 | -3.80 | | | Valik, Ondrej | | | 1620 | CZE | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Jecha, Petr | | | 1937 | CZE | 0.50 | 1 | 0.20 | 20 | 4.00 | | | Lilienthal, Niels Bennett | | | 1650 | GER | 0.50 | 1 | -0.18 | 20 | -3.60 | | | Lys, Josef | f | | 2145 | CZE | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Svitil, Radek | | | 1698 | CZE | 0.50 | 1 | -0.12 | 20 | -2.40 | | | * 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) | | | | Mistrovstvi CR senioru nad 70 let 2021 | Rychnov nad Kneznou | CZE | 2021-08-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1706 | 1790 | 4.50 | 8 | -0.37 | 20 | -7.40 | |
| | Splitek, Lubos | | | 1728 | CZE | 0.50 | 1 | -0.09 | 20 | -1.80 | | | Urbanec, Vladimir | | | 1492 | CZE | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Mojzis, Jaroslav | f | | 2030 | CZE | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Vlachopulos, Elefteris | | | 1625 | CZE | 0.50 | 1 | -0.22 | 20 | -4.40 | | | Koutecky, Jiri | | | 1606 | CZE | 0.50 | 1 | -0.24 | 20 | -4.80 | | | Palla, Rostislav | | | 1648 | CZE | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Kolek, Josef | | | 1768 | CZE | 0.50 | 1 | -0.03 | 20 | -0.60 | | | Bainhofner, Jiri | | | 1751 | CZE | 0.50 | 1 | -0.05 | 20 | -1.00 | |
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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