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Individual Calculations December 2018 |
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| Halldorsson, Jon Arni Total change: -6.80 | |   |
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| Icelandic Team Chess Championship 2018-19 2nd division Round 1-4 | Reykjavik | ISL | 2018-11-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2174 | 2140 | 1.50 | 4 | -0.34 | 20 | -6.80 | |
|  Norowitz, Yaacov | m | | 2405 | USA | 0.00 | 1 | -0.18 | 20 | -3.60 | |  Karlsson, Agust S | f | | 2271 | ISL | 0.50 | 1 | 0.18 | 20 | 3.60 | | | Sigurjonsson, Stefan Th. | | | 2075 | ISL | 0.00 | 1 | -0.59 | 20 | -11.80 | | | Arnalds, Stefan | | | 1943 | ISL | 1.00 | 1 | 0.25 | 20 | 5.00 | |
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) | | |
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