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Individual Calculations April 2023 |
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| Valtysson, Thor Total change: -26.80 | |   |
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| Skakmot odlinga 2023 Round 3-7 | Reykjavik | ISL | 2023-03-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1711 | 1941 | 1.00 | 4 | -2.01 | 20 | -40.20 | |
|  Jonsson, Johann | | | 1761 | ISL | 0.00 | 1 | -0.74 | 20 | -14.80 | |  Jensson, Erlingur | | | 1557 | ISL | 0.50 | 1 | -0.41 | 20 | -8.20 | | | Bjarnason, Larus H | | | 1541 * | ISL | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Sigurdsson, Snorri Thor | | | 1983 | ISL | 0.50 | 1 | 0.06 | 20 | 1.20 | | | * 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 |
| 1758 | 1941 | 2.00 | 2 | 0.59 | 20 | 11.80 | |
| | Ragnarsson, Johann | | | 1929 | ISL | 1.00 | 1 | 0.48 | 20 | 9.60 | | | Asbjornsson, Magnus Dagur | | | 1586 | ISL | 1.00 | 1 | 0.11 | 20 | 2.20 | |
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) | | | | Icelandic Team Championship 2022-23 - 3rd div. Round 5-7 | Reykjavik | ISL | 2023-03-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1996 | 1941 | 0.50 | 1 | 0.08 | 20 | 1.60 | |
| | Gunnarsson, Gunnar K | | | 1996 | ISL | 0.50 | 1 | 0.08 | 20 | 1.60 | |
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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