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Individual Calculations February 2023 |
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| Elgersma, Onno Total change: -22.80 | |   |
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| Chessfestival Groningen 2022 Open A | Groningen | NED | 2022-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2186 | 2291 | 4.50 | 9 | -1.14 | 20 | -22.80 | |
|  Achuthan, Dylan | | | 2081 | NED | 1.00 | 1 | 0.23 | 20 | 4.60 | |  Poetsch, Hagen | g | | 2478 | GER | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Matsumura, Cocoro | | | 2133 | FRA | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Kovchan, Alexander | g | | 2450 | UKR | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Levitan, Ronit | | wf | 1972 | ISR | 0.00 | 1 | -0.87 | 20 | -17.40 | | | Labruyere, Roger | | | 2104 | NED | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Noordenbos, Daan | | | 2056 | NED | 1.00 | 1 | 0.21 | 20 | 4.20 | | | De Winter, Arthur | f | | 2368 | NED | 0.00 | 1 | -0.39 | 20 | -7.80 | | | Saketh, Pedagandham | | | 2030 | IND | 0.50 | 1 | -0.32 | 20 | -6.40 | |
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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