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Individual Calculations February 2023 |
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| Maatman, Nick Total change: -4.10 | |   |
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| Chessfestival Groningen 2022 Open A | Groningen | NED | 2022-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2255 | 2348 | 5.00 | 9 | -0.41 | 10 | -4.10 | |
|  Boer, Alef | | | 2091 | NED | 1.00 | 1 | 0.18 | 10 | 1.80 | |  Pranav, Anand | g | | 2512 | IND | 0.00 | 1 | -0.28 | 10 | -2.80 | | | Wang, Ellen | | wm | 2020 | USA | 0.50 | 1 | -0.37 | 10 | -3.70 | | | Westerlaan, Sander | | | 1954 | NED | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Van Meegen, Ruud | f | | 2287 | NED | 0.50 | 1 | -0.08 | 10 | -0.80 | | | Nemec, Vjekoslav | c | | 2220 | CRO | 1.00 | 1 | 0.33 | 10 | 3.30 | | | Grutter, Tim | f | | 2363 | NED | 0.50 | 1 | 0.02 | 10 | 0.20 | | | Poetsch, Hagen | g | | 2478 | GER | 0.50 | 1 | 0.18 | 10 | 1.80 | | | De Winter, Arthur | f | | 2368 | NED | 0.00 | 1 | -0.47 | 10 | -4.70 | |
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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