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Individual Calculations February 2023 |
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| Koper, Stefan Total change: -23.40 | |   |
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| PRAGUE OPEN 2023 A - IM open | Prague | CZE | 2023-01-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1842 | 1810 | 2.50 | 8 | -1.23 | 20 | -24.60 | |
|  Mrazek, Roman | | | 2110 | CZE | 0.50 | 1 | 0.35 | 20 | 7.00 | |  Koubova, Anna Marie | | | 2054 | CZE | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Fizer, Marek | c | | 1968 | CZE | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Pisar, Tomas | | | 1604 | CZE | 0.00 | 1 | -0.76 | 20 | -15.20 | | | Svoboda, Daniel | | | 1747 | CZE | 0.00 | 1 | -0.59 | 20 | -11.80 | | | Kleprlik, Jan | | | 1503 | CZE | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Ocelak, David | | | 1595 | CZE | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Kanakova, Natalie | | wm | 2157 | CZE | 0.00 | 1 | -0.11 | 20 | -2.20 | |
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) | | | | JSS - 1. divize 2022-2023 r6-7 | various | CZE | 2023-01-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1905 | 1810 | 0.50 | 2 | -0.24 | 20 | -4.80 | |
| | Chalupecky, Vladimir | | | 1884 | CZE | 0.50 | 1 | 0.10 | 20 | 2.00 | | | Rybin, Jan | | | 1925 | CZE | 0.00 | 1 | -0.34 | 20 | -6.80 | |
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) | | | | PSS KP (Prebor) druzstev 2022-2023 r1-3 | Prague | CZE | 2023-01-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2181 | 1810 | 0.50 | 2 | 0.30 | 20 | 6.00 | |
| | Adamek, Zdenek | | | 2151 | CZE | 0.50 | 1 | 0.38 | 20 | 7.60 | | | Seifarth, Robert | | | 2211 | CZE | 0.00 | 1 | -0.08 | 20 | -1.60 | |
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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