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Individual Calculations December 2018 |
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| Bjornsson, Eirikur K. Total change: 3.40 | |   |
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| Icelandic Team Chess Championship 2018-19 1st division Round 1-5 | Reykjavik | ISL | 2018-11-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2152 | 1952 | 1.00 | 2 | 0.50 | 20 | 10.00 | |
|  Salama, Omar | | | 2233 | ISL | 0.50 | 1 | 0.34 | 20 | 6.80 | | | Sigurjonsson, Siguringi | | | 2071 | ISL | 0.50 | 1 | 0.16 | 20 | 3.20 | |
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 Chess Championship 2018-19 3rd division Round 1-4 | Reykjavik | ISL | 2018-11-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1557 | 1952 | 1.50 | 2 | -0.33 | 20 | -6.60 | |
| | Valdimarsson, Johann | | | 1561 | ISL | 0.50 | 1 | -0.41 | 20 | -8.20 | | | Karlsson, Sighvatur | | | 1552 * | ISL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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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