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Individual Calculations September 2021 |
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| Psaila, Clarence Total change: -19.20 | |   |
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| SUMMER PRAGUE OPEN 2021 - A - IM open | Praha | CZE | 2021-08-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1983 | 1965 | 3.00 | 6 | 0.09 | 20 | 1.80 | |
|  Svanda, Ondrej | f | | 2312 | CZE | 0.00 | 1 | -0.11 | 20 | -2.20 | |  Schirmag, Wolfgang | | | 1777 | GER | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Ruzicka, Filip | | | 1783 | CZE | 0.50 | 1 | -0.24 | 20 | -4.80 | | | Stehlik, Jiri | | | 1847 | CZE | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Kozak, Milos | f | | 2103 | CZE | 0.50 | 1 | 0.19 | 20 | 3.80 | | | Bub, Volker | | | 2074 | GER | 0.00 | 1 | -0.35 | 20 | -7.00 | |
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) | | | | ENERGY GROUP SLOVAK OPEN SKALICA | Skalica | SVK | 2021-08-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2021 | 1965 | 2.50 | 8 | -1.05 | 20 | -21.00 | |
| | Turcan, Richard | f | | 2283 | SVK | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Straka, Vojtech | f | | 2365 * | CZE | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Elias, David | | | 1920 | SVK | 0.50 | 1 | -0.06 | 20 | -1.20 | | | Nagyova, Daniela | | | 1729 | CZE | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Bednar, Jan | | | 2047 | SVK | 0.00 | 1 | -0.39 | 20 | -7.80 | | | Lhotska, Anna | | | 1969 | CZE | 0.00 | 1 | -0.49 | 20 | -9.80 | | | Farkas, Renata | | | 1937 | SVK | 0.00 | 1 | -0.54 | 20 | -10.80 | | | Marcinek, Michal | | | 1919 | SVK | 1.00 | 1 | 0.44 | 20 | 8.80 | | | * 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) | | |
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