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Individual Calculations February 2023 |
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| Westerhof, Fleur Total change: 36.80 | |   |
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| Chessfestival Groningen 2022 Compact | Groningen | NED | 2022-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1610 | 1553 | 2.00 | 4 | 0.30 | 40 | 12.00 | |
|  Braun, Eric | | | 1644 | NED | 0.50 | 1 | 0.12 | 40 | 4.80 | |  Hofstee, Piet | | | 1636 | NED | 0.00 | 1 | -0.39 | 40 | -15.60 | | | De Wey Peters, Inno | | | 1505 | NED | 1.00 | 1 | 0.43 | 40 | 17.20 | | | De Ridder, Henk | | | 1656 | NED | 0.50 | 1 | 0.14 | 40 | 5.60 | |
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) | | | | Tata Steel weekendvierkampen 2023 | Wijk aan Zee | NED | 2023-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1642 | 1553 | 1.00 | 1 | 0.62 | 40 | 24.80 | |
| | Van Der Velde, Geert | | | 1642 | NED | 1.00 | 1 | 0.62 | 40 | 24.80 | |
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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