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Individual Calculations December 2021 |
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| Gundogmus, Alaettin Total change: 7.20 | |   |
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| Open Nederlands Kampioenschap NSVG 2021 groep A | Ermelo | NED | 2021-11-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1636 | 1583 | 2.50 | 5 | 0.36 | 20 | 7.20 | |
|  De Lange, Marieke | | | 1272 | NED | 1.00 | 1 | 0.14 | 20 | 2.80 | |  Schutte, Mark | | | 1654 | NED | 1.00 | 1 | 0.60 | 20 | 12.00 | | | Harnandan, Sergio | | | 1907 | NED | 0.50 | 1 | 0.37 | 20 | 7.40 | | | Boer, Jan | | | 1698 | NED | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Couwenberg, Pieter | | | 1651 | NED | 0.00 | 1 | -0.41 | 20 | -8.20 | |
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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