Individual Calculations January 2023 |
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Roorda, Maarten Total change: -25.80 | | ![Rating chart](/imga/chart.gif) ![Personal card](/imga/card.gif) |
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Chessfestival Groningen 2022 Vierkampen | Groningen | NED | 2022-12-22 |
Rc | Ro | w | n | change | K | K*chg | Game |
1773 | 1844 | 0.50 | 3 | -1.29 | 20 | -25.80 | |
| Homburg, Frank | | | 1829 | NED | 0.00 | 1 | -0.52 | 20 | -10.40 | | Dekker, Thiemen | | | 1695 | NED | 0.50 | 1 | -0.20 | 20 | -4.00 | | Kurt, Sascha | | | 1796 | NED | 0.00 | 1 | -0.57 | 20 | -11.40 | | 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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