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Individual Calculations March 2023 |
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| Omarsson, Josef Total change: -4.35 | |   |
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| Skakthing Reykjavikur 2023 | Reykjavik | ISL | 2023-01-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1837 | 1602 | 2.50 | 6 | 0.96 | 29 | 27.84 | |
|  Hardarson, Petur Palmi | | | 2095 | ISL | 0.00 | 1 | -0.04 | 29 | -1.16 | | | Ptacnikova, Lenka | | wg | 2104 | ISL | 0.00 | 1 | -0.04 | 29 | -1.16 | |  Briem, Gudrun Fanney | | | 1441 | ISL | 1.00 | 1 | 0.29 | 29 | 8.41 | | | Eliasson, Kristjan Orn | | | 1765 | ISL | 0.50 | 1 | 0.22 | 29 | 6.38 | | | Kjartansson, Dagur | | | 1839 | ISL | 0.50 | 1 | 0.30 | 29 | 8.70 | | | Bjornsson, Yngvi | | | 1780 | ISL | 0.50 | 1 | 0.23 | 29 | 6.67 | |
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) | | | | Skakhatid Fulltingis 2023 B flokkur 4-6 | Gardabaer | ISL | 2023-01-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1764 | 1602 | 1.00 | 3 | 0.12 | 29 | 3.48 | |
| | Omarsson, Adam | | | 1693 | ISL | 0.50 | 1 | 0.12 | 29 | 3.48 | | | Gudjonsson, Sindri | | | 1847 | ISL | 0.00 | 1 | -0.20 | 29 | -5.80 | | | Thorisson, Benedikt | | | 1752 | ISL | 0.50 | 1 | 0.20 | 29 | 5.80 | |
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) | | | | Nordic Youth Championship 2023 D | Oslo | NOR | 2023-02-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1675 | 1698 | 2.50 | 6 | -0.40 | 29 | -11.60 | |
| | Morell, Oscar | | | 1905 | SWE | 0.00 | 1 | -0.23 | 29 | -6.67 | | | Jamil, Oskar Jacobsen | | | 1298 * | FAI | 1.00 | 1 | 0.08 | 29 | 2.32 | | | Zander, Emil | | | 1926 | DEN | 0.00 | 1 | -0.21 | 29 | -6.09 | | | Ji, Jiahao Eric | | | 1872 | NOR | 0.00 | 1 | -0.27 | 29 | -7.83 | | | Jamil, Emil Jacobsen | | | 1220 | FAI | 1.00 | 1 | 0.05 | 29 | 1.45 | | | Sandmann, Villads Majvang | | | 1830 | DEN | 0.50 | 1 | 0.18 | 29 | 5.22 | | | * 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) | | | | Kragero Resort Chess International 2023 ELO group | Kragero | NOR | 2023-02-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1577 | 1698 | 5.00 | 9 | -0.83 | 29 | -24.07 | |
| | Endeberg, Ivar | | | 1296 | NOR | 1.00 | 1 | 0.08 | 29 | 2.32 | | | Eckholdt, Carl Marcus | | | 1527 | NOR | 0.50 | 1 | -0.23 | 29 | -6.67 | | | Myren, Matias | | | 1627 | NOR | 1.00 | 1 | 0.40 | 29 | 11.60 | | | Abrahamsson, Roaul | | | 1865 | NOR | 0.00 | 1 | -0.28 | 29 | -8.12 | | | Brattgjerd, August Minh | | | 1495 | NOR | 1.00 | 1 | 0.24 | 29 | 6.96 | | | Alvanjyan, Aida | | | 1562 | ARM | 0.50 | 1 | -0.18 | 29 | -5.22 | | | Tollefsen, Jacob | | | 1524 | NOR | 0.50 | 1 | -0.23 | 29 | -6.67 | | | Jahr, Even | | | 1540 | NOR | 0.00 | 1 | -0.71 | 29 | -20.59 | | | Wernberg, Nikolai Olsen | | | 1758 | NOR | 0.50 | 1 | 0.08 | 29 | 2.32 | |
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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