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Individual Calculations April 2023 |
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| Heidarsson, Arnar Milutin Total change: 48.00 | |   |
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| The 7th International Youth ChessMates Tournament | Navan | IRL | 2023-03-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2006 | 2075 | 4.00 | 5 | 1.04 | 20 | 20.80 | |
|  Heutling, Elina | | | 1900 | GER | 1.00 | 1 | 0.27 | 20 | 5.40 | |  Achuthan, Dylan | | | 2109 | NED | 1.00 | 1 | 0.55 | 20 | 11.00 | | | Cornileau, Juliette | | | 2047 | FRA | 1.00 | 1 | 0.46 | 20 | 9.20 | | | Badacsonyi, Frankie | | | 2011 | ENG | 0.00 | 1 | -0.59 | 20 | -11.80 | | | Reichmann, Felix | | | 1962 | GER | 1.00 | 1 | 0.35 | 20 | 7.00 | |
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 - Premier League Round 6-10 | Reykjavik | ISL | 2023-03-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2142 | 2075 | 1.00 | 1 | 0.59 | 20 | 11.80 | |
| | Birkisson, Bardur Orn | c | | 2142 | ISL | 1.00 | 1 | 0.59 | 20 | 11.80 | |
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 |
| 1993 | 2075 | 2.50 | 3 | 0.77 | 20 | 15.40 | |
| | Gunnarsson, Helgi Petur | | | 1711 | ISL | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Leosson, Torfi | | | 2145 | ISL | 1.00 | 1 | 0.60 | 20 | 12.00 | | | Bjornsson, Sverrir Orn | | | 2124 | ISL | 0.50 | 1 | 0.07 | 20 | 1.40 | |
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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