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Individual Calculations December 2018 |
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| Hafdisarson, Ingi Thor Total change: -23.60 | |   |
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| U-2000 mot TR | Reykjavik | ISL | 2018-10-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1310 | 1244 | 1.50 | 5 | -0.61 | 40 | -24.40 | |
|  Magnusson, Thorsteinn | | | 1554 | ISL | 0.00 | 1 | -0.14 | 40 | -5.60 | |  Helgadottir, Idunn | | | 1195 | ISL | 0.00 | 1 | -0.57 | 40 | -22.80 | | | Sharifa, Rayan | | | 1141 | ISL | 0.00 | 1 | -0.64 | 40 | -25.60 | | | Olafsson, Arni | | | 1382 | ISL | 0.50 | 1 | 0.19 | 40 | 7.60 | | | Omarsson, Adam | | | 1278 | ISL | 1.00 | 1 | 0.55 | 40 | 22.00 | |
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) | | | | Skakthing Gardabaejar 2018 - umf 5-7 | Gardabaer | ISL | 2018-10-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1644 | 1244 | 0.50 | 2 | 0.34 | 40 | 13.60 | |
| | Hauksson, Bjorgvin Jonas | | | 1644 * | ISL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Ingibergsson, Valgard | | | 1644 * | ISL | 0.50 | 1 | 0.42 | 40 | 16.80 | | | * 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 |
| 1528 | 1244 | 0.00 | 2 | -0.32 | 40 | -12.80 | |
| | Petersen, Jakob Alexander | | | 1496 | ISL | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Signyjarson, Arnar Smari | | | 1560 | ISL | 0.00 | 1 | -0.13 | 40 | -5.20 | |
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) | | |
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