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Individual Calculations April 2023 |
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| Stefansson, David Total change: 46.00 | |   |
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| Skakmot odlinga 2023 Round 3-7 | Reykjavik | ISL | 2023-03-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1832 | 1625 | 3.50 | 5 | 2.12 | 20 | 42.40 | |
|  Sigurdsson, Magnus | | | 1555 | DEN | 1.00 | 1 | 0.40 | 20 | 8.00 | |  Kristjansson, Sigurdur | | | 1765 | ISL | 1.00 | 1 | 0.69 | 20 | 13.80 | | | Kristinsson, Ogmundur | | | 1937 | ISL | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Tryggvason, Erlingur | | | 1781 | ISL | 0.50 | 1 | 0.21 | 20 | 4.20 | | | Ingvason, Johann | | | 2122 | ISL | 1.00 | 1 | 0.96 | 20 | 19.20 | |
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 - 1st div. Round 5-7 | Reykjavik | ISL | 2023-03-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1911 | 1625 | 0.50 | 2 | 0.18 | 20 | 3.60 | |
| | Kolka, David | | | 1940 | ISL | 0.50 | 1 | 0.36 | 20 | 7.20 | | | Skarphedinsson, Ingvar Wu | | | 1882 | ISL | 0.00 | 1 | -0.18 | 20 | -3.60 | |
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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