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Individual Calculations February 2023 |
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| Briza, Jiri Total change: -14.20 | |   |
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| 2. liga F 2022-2023 r6-7 | various | CZE | 2023-01-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1958 | 1875 | 1.00 | 2 | 0.22 | 20 | 4.40 | |
|  Beran, Petr | | | 2009 | CZE | 0.50 | 1 | 0.18 | 20 | 3.60 | |  Oborny, Lubor | | | 1906 | CZE | 0.50 | 1 | 0.04 | 20 | 0.80 | |
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) | | | | MARIENBAD OPEN 2023 D - seniors tournament 50 plus | Marianske Lazne | CZE | 2023-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1777 | 1875 | 4.00 | 8 | -0.94 | 20 | -18.80 | |
| | Nasshan, Erich | | | 1494 | GER | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Cap, Piotr | | | 2067 | POL | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Wacker, Manfred | | | 1719 | GER | 0.50 | 1 | -0.21 | 20 | -4.20 | | | Svec, Jan | | | 1696 | CZE | 0.50 | 1 | -0.23 | 20 | -4.60 | | | Molnar, Ladislav | | | 1739 | CZE | 0.50 | 1 | -0.18 | 20 | -3.60 | | | Chudek, Lubomir | | | 1754 | CZE | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Rusek, Walter | | | 1814 | AUT | 0.50 | 1 | -0.08 | 20 | -1.60 | | | Vodicka, Pavel | | | 1931 | CZE | 0.00 | 1 | -0.42 | 20 | -8.40 | |
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) | | | | MKSS Krajsky prebor 2022-2023 r6-7 | various | CZE | 2023-01-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1880 | 1875 | 0.50 | 1 | 0.01 | 20 | 0.20 | |
| | Holecek, Vladimir | | | 1880 | CZE | 0.50 | 1 | 0.01 | 20 | 0.20 | |
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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