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Individual Calculations February 2023 |
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| Petras, Milan Total change: 17.20 | |   |
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| PRAGUE OPEN 2023 A - IM open | Prague | CZE | 2023-01-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1840 | 1844 | 4.00 | 8 | -0.15 | 20 | -3.00 | |
|  Hanl, Frantisek | | | 2148 | CZE | 0.50 | 1 | 0.36 | 20 | 7.20 | |  Mestek, Igor | | | 2144 | SLO | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Slusarczyk, Anna | | | 1679 | POL | 0.50 | 1 | -0.22 | 20 | -4.40 | | | Matras, Ondrej | f | | 2181 | CZE | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Selvik, Elma | | | 1545 | NOR | 0.50 | 1 | -0.35 | 20 | -7.00 | | | Feierfeil, Jiri | | | 1695 | CZE | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Mrazek, Adam | | | 1684 | CZE | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Aarav, Bhavin Mehta | | | 1646 | IND | 0.50 | 1 | -0.26 | 20 | -5.20 | |
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) | | | | PSS KS 1.1 (1. trida) druzstev 2022-2023 r1-3 | Prague | CZE | 2023-01-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1966 | 1844 | 0.00 | 1 | -0.33 | 20 | -6.60 | |
| | Siktanc, Petr | | | 1966 | CZE | 0.00 | 1 | -0.33 | 20 | -6.60 | |
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) | | | | MARIENBAD OPEN 2023 D - seniors tournament 50 plus | Marianske Lazne | CZE | 2023-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1862 | 1844 | 5.50 | 9 | 1.34 | 20 | 26.80 | |
| | Kapolka, Stefan | | | 1444 * | CZE | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Turner, Radek | | | 1995 | CZE | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Svoboda, Frantisek | | | 1638 | CZE | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Tesar, Jan | | | 2005 | CZE | 1.00 | 1 | 0.71 | 20 | 14.20 | | | Korth, Manfred, Dr. | | | 1980 | GER | 0.50 | 1 | 0.18 | 20 | 3.60 | | | Dugailliez, Guy | | | 1972 | BEL | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Panos, Jan | | | 1878 | CZE | 1.00 | 1 | 0.55 | 20 | 11.00 | | | Jiruse, Josef | | | 1950 | CZE | 0.50 | 1 | 0.14 | 20 | 2.80 | | | Steiner, Juraj | | | 1895 | CZE | 0.50 | 1 | 0.07 | 20 | 1.40 | | | * 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) | | |
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