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Individual Calculations November 2023 |
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| Omarsson, Adam Total change: -8.40 | |   |
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| Nordic School Chess Championship 2023 - u17 | Laugarvatn | ISL | 2023-09-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1928 | 1862 | 1.50 | 5 | -0.57 | 40 | -22.80 | |
|  Heidarsson, Mikael Bjarki | | | 1666 | ISL | 1.00 | 1 | 0.25 | 40 | 10.00 | |  Salonen, Aku | | | 2133 | FIN | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Burgaard, Kristian Gade | | | 2009 | DEN | 0.50 | 1 | 0.20 | 40 | 8.00 | | | Lilliehook, Victor | | | 1837 | SWE | 0.00 | 1 | -0.53 | 40 | -21.20 | | | Lye, Sverre | c | | 1996 | NOR | 0.00 | 1 | -0.32 | 40 | -12.80 | |
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 2023-24 - 2nd div. Round 1-4 | Reykjavik | ISL | 2023-10-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1795 | 1946 | 3.00 | 4 | 0.36 | 40 | 14.40 | |
| | Arnarson, David | | | 1546 * | ISL | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Osorio Ferrer, Roberto Eduardo | | | 1640 | VEN | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Palsson, Halldor | | | 1985 | ISL | 0.50 | 1 | 0.05 | 40 | 2.00 | | | Kristinsson, Bjarni Jens | | | 2010 | ISL | 0.50 | 1 | 0.09 | 40 | 3.60 | | | * 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) | | |
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