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Individual Calculations April 2023 |
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| Skarphedinsson, Ingvar Wu Total change: 40.00 | |   |
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| The 7th International Youth ChessMates Tournament | Navan | IRL | 2023-03-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1777 | 1882 | 3.00 | 5 | -0.05 | 40 | -2.00 | |
|  Udelnov, Valentin | | | 1834 | GER | 1.00 | 1 | 0.43 | 40 | 17.20 | |  Arnold, Rhys | | | 2027 | NED | 0.50 | 1 | 0.19 | 40 | 7.60 | | | Marchix, Esteban | | | 1948 | FRA | 0.00 | 1 | -0.41 | 40 | -16.40 | | | Rich, Aaron | | | 1593 | ENG | 0.50 | 1 | -0.34 | 40 | -13.60 | | | Hafermann, Lara | | | 1482 * | GER | 1.00 | 1 | 0.08 | 40 | 3.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | Icelandic Team Championship 2022-23 - 1st div. Round 5-7 | Reykjavik | ISL | 2023-03-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1890 | 1882 | 2.50 | 3 | 1.05 | 40 | 42.00 | |
| | Karason, Askell O | m | | 2084 | ISL | 1.00 | 1 | 0.76 | 40 | 30.40 | | | Gudmundsson, Gunnar Erik | | | 1961 | ISL | 0.50 | 1 | 0.11 | 40 | 4.40 | | | Stefansson, David | | | 1625 | ISL | 1.00 | 1 | 0.18 | 40 | 7.20 | |
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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