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Individual Calculations December 2018 |
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| Jonasson, Hordur Total change: -17.80 | |   |
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| U-2000 mot TR | Reykjavik | ISL | 2018-10-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1495 | 1521 | 1.50 | 5 | -1.20 | 20 | -24.00 | |
|  Viktorsson, Svavar | | | 1764 | ISL | 0.00 | 1 | -0.20 | 20 | -4.00 | |  Omarsson, Adam | | | 1278 | ISL | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Hjaltason, Thorarinn | | | 1366 | ISL | 0.50 | 1 | -0.21 | 20 | -4.20 | | | Baldursson, Haraldur | | | 1921 * | ISL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Skarphedinsson, Ingvar Wu | | | 1145 | ISL | 0.00 | 1 | -0.91 | 20 | -18.20 | | | * 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 Chess Championship 2018-19 3rd division Round 1-4 | Reykjavik | ISL | 2018-11-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1635 | 1521 | 1.00 | 2 | 0.31 | 20 | 6.20 | |
| | Hjaltalin, Thor | | | 1647 | ISL | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Haile, Batel Goitom | | | 1622 | ISL | 1.00 | 1 | 0.64 | 20 | 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) | | |
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