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Individual Calculations July 2023 |
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| Koelmans, Jan Willem Total change: -33.20 | |   |
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| HSG Open 2023 - Open B | Hilversum | NED | 2023-06-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1679 | 1901 | 3.00 | 6 | -1.66 | 20 | -33.20 | |
|  Feijen, Niels | | | 1686 | NED | 0.50 | 1 | -0.27 | 20 | -5.40 | |  Egelie, Peter | | | 1733 | NED | 0.50 | 1 | -0.22 | 20 | -4.40 | | | Keijzer, Leo | | | 1694 | NED | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Cuyvers, Jens | | | 1727 | BEL | 0.50 | 1 | -0.23 | 20 | -4.60 | | | Koning, Milan | | | 1575 | NED | 0.00 | 1 | -0.87 | 20 | -17.40 | | | Koppenens, Oscar | | | 1660 | NED | 0.50 | 1 | -0.30 | 20 | -6.00 | |
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) | | |
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