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Individual Calculations February 2023 |
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| Grashuis, Aldert-Jan Total change: -18.80 | |   |
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| Chessfestival Groningen 2022 Open B | Groningen | NED | 2022-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1738 | 1833 | 4.00 | 8 | -0.94 | 20 | -18.80 | |
|  Kryvenko, Daryna | | | 1522 | UKR | 0.50 | 1 | -0.36 | 20 | -7.20 | |  Qatina, Waheeb | | | 1628 | NED | 0.50 | 1 | -0.26 | 20 | -5.20 | | | Wierenga, Jael | | | 1762 | NED | 1.00 | 1 | 0.40 | 20 | 8.00 | | | Alhejab, Meshal | | | 1857 | KUW | 0.00 | 1 | -0.47 | 20 | -9.40 | | | Muller, Kenneth | | | 1856 | NED | 1.00 | 1 | 0.53 | 20 | 10.60 | | | Kastelijn, Twan | | | 1894 | NED | 0.00 | 1 | -0.42 | 20 | -8.40 | | | Ambrona Navarro, Himar | | | 1768 | ESP | 0.50 | 1 | -0.09 | 20 | -1.80 | | | Gerdes, Jannes | | | 1620 | GER | 0.50 | 1 | -0.27 | 20 | -5.40 | |
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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