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Individual Calculations December 2018 |
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| Aronsson, Gudmundur Total change: -16.60 | |   |
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| U-2000 mot TR | Reykjavik | ISL | 2018-10-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1500 | 1573 | 1.50 | 5 | -1.38 | 20 | -27.60 | |
|  Gunnarsson, Helgi Petur | | | 1711 | ISL | 0.50 | 1 | 0.19 | 20 | 3.80 | |  Briem, Hedinn | | | 1612 | ISL | 0.00 | 1 | -0.45 | 20 | -9.00 | | | Petersen, Jakob Alexander | | | 1496 | ISL | 0.00 | 1 | -0.61 | 20 | -12.20 | | | Sharifa, Rayan | | | 1173 * | ISL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Sigurvaldason, Hjalmar | | | 1509 | ISL | 0.00 | 1 | -0.59 | 20 | -11.80 | | | * 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 4th Division Round 1-4 | Reykjavik | ISL | 2018-11-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1608 | 1573 | 1.00 | 1 | 0.55 | 20 | 11.00 | |
| | Siggason, Thorvaldur | | | 1608 | ISL | 1.00 | 1 | 0.55 | 20 | 11.00 | |
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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