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Individual Calculations February 2023 |
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| Matsumura, Cocoro Total change: -16.40 | |   |
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| Chessfestival Groningen 2022 Open A | Groningen | NED | 2022-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2151 | 2133 | 4.00 | 9 | -0.41 | 40 | -16.40 | |
|  Zwirs, Nico | m | | 2474 | NED | 0.00 | 1 | -0.12 | 40 | -4.80 | |  Van Kuijk, Vadim | | | 2031 | NED | 1.00 | 1 | 0.36 | 40 | 14.40 | | | Elgersma, Onno | f | | 2291 | NED | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Spit, Vincent | | | 2059 | NED | 0.50 | 1 | -0.10 | 40 | -4.00 | | | Westerlaan, Sander | | | 1954 | NED | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Lahaye, Rick | | | 2435 | NED | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Levitan, Ronit | | wf | 1972 | ISR | 0.50 | 1 | -0.21 | 40 | -8.40 | | | Zheng, Harry Z | | | 2088 | ENG | 1.00 | 1 | 0.44 | 40 | 17.60 | | | Noordenbos, Daan | | | 2056 | NED | 0.00 | 1 | -0.61 | 40 | -24.40 | |
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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