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Individual Calculations April 2023 |
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| Ingvason, Johann Total change: -27.80 | |   |
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| Skakmot odlinga 2023 Round 3-7 | Reykjavik | ISL | 2023-03-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1673 | 2122 | 1.00 | 4 | -2.76 | 20 | -55.20 | |
|  Rognvaldsson, Geir | | | 1631 | ISL | 0.00 | 1 | -0.96 | 20 | -19.20 | | | Masson, Kjartan | | | 1713 | ISL | 0.50 | 1 | -0.42 | 20 | -8.40 | |  Bjarkason, Brynjar | | | 1722 * | ISL | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Stefansson, David | | | 1625 | ISL | 0.00 | 1 | -0.96 | 20 | -19.20 | | | * 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 - Premier League Round 6-10 | Reykjavik | ISL | 2023-03-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2235 | 2122 | 1.00 | 1 | 0.65 | 20 | 13.00 | |
| | Edvardsson, Kristjan | | | 2235 | ISL | 1.00 | 1 | 0.65 | 20 | 13.00 | |
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 - 1st div. Round 5-7 | Reykjavik | ISL | 2023-03-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2202 | 2122 | 1.50 | 2 | 0.72 | 20 | 14.40 | |
| | Halldorsson, Halldor | c | | 2177 | ISL | 1.00 | 1 | 0.58 | 20 | 11.60 | | | Thorsteinsson, Thorsteinn | f | | 2227 | ISL | 0.50 | 1 | 0.14 | 20 | 2.80 | |
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) | | |
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