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Individual Calculations February 2023 |
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| Reinders, Joan Total change: 7.40 | |   |
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| Chessfestival Groningen 2022 Open B | Groningen | NED | 2022-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1844 | 1813 | 4.50 | 9 | 0.37 | 20 | 7.40 | |
|  Jelic, Bruno | | | 2039 | NED | 0.00 | 1 | -0.21 | 20 | -4.20 | |  Novak, Vjekoslav | | | 1749 | CRO | 0.50 | 1 | -0.09 | 20 | -1.80 | | | Katpatal, Akshaj | | | 1716 | NED | 1.00 | 1 | 0.37 | 20 | 7.40 | | | Krylov, Philippe | | | 1737 | NED | 0.00 | 1 | -0.60 | 20 | -12.00 | | | Abma, Klaas | | | 1794 | NED | 1.00 | 1 | 0.47 | 20 | 9.40 | | | Ritter, Uwe | | | 1855 | GER | 0.00 | 1 | -0.44 | 20 | -8.80 | | | Pouw, Marcel | | | 1871 | NED | 0.50 | 1 | 0.08 | 20 | 1.60 | | | Hartog, Frank | | | 1928 | NED | 1.00 | 1 | 0.66 | 20 | 13.20 | | | Zecha, Oscar | | | 1905 | NED | 0.50 | 1 | 0.13 | 20 | 2.60 | |
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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