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Individual Calculations February 2023 |
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| Spears, Russell Total change: 0.80 | |   |
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| Chessfestival Groningen 2022 Compact | Groningen | NED | 2022-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1716 | 1783 | 3.00 | 5 | 0.04 | 20 | 0.80 | |
|  Houtsma, Jouke | | | 1667 | NED | 0.50 | 1 | -0.16 | 20 | -3.20 | |  De Lange, Gerard | | | 1673 | NED | 0.50 | 1 | -0.15 | 20 | -3.00 | | | Isbilir, Levin | | | 1755 | GER | 0.00 | 1 | -0.54 | 20 | -10.80 | | | Vriens, Huib | | | 1722 | NED | 1.00 | 1 | 0.42 | 20 | 8.40 | | | Hesselink, Rutger | | | 1762 | NED | 1.00 | 1 | 0.47 | 20 | 9.40 | |
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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