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Individual Calculations November 2018 |
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| Ritsema, Ronald Total change: -5.40 | |   |
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| Haarlemse Meesters Open 2018 | Haarlem | NED | 2018-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2020 | 2045 | 4.50 | 9 | -0.27 | 20 | -5.40 | |
|  Ricken, Katharina | | | 1821 | GER | 0.50 | 1 | -0.28 | 20 | -5.60 | |  Markus, John Raymond | | | 1948 | NED | 1.00 | 1 | 0.37 | 20 | 7.40 | | | Van Der Velde, Henk | | | 2114 | NED | 0.00 | 1 | -0.40 | 20 | -8.00 | | | Apon, Iwahn | | | 1941 | NED | 0.50 | 1 | -0.14 | 20 | -2.80 | | | Duchene, Rene | | | 2155 | NED | 0.50 | 1 | 0.15 | 20 | 3.00 | | | Kat, Rudolf | | | 1914 | NED | 0.50 | 1 | -0.18 | 20 | -3.60 | | | Littel, Leo | | | 1948 | NED | 1.00 | 1 | 0.37 | 20 | 7.40 | | | Baarslag, Ed | | | 2152 | NED | 0.50 | 1 | 0.15 | 20 | 3.00 | | | Mesman, Edwyn | | | 2188 | NED | 0.00 | 1 | -0.31 | 20 | -6.20 | |
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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