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Blitz:
Individual Calculations September 2021 |
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| Gretarsson, Helgi Ass Total change: 27.60 | |   |
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| Arbaejarsafnsmotid 2021 | Reykjavik | ISL | 2021-08-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2046 | 2462 | 5.50 | 7 | -0.39 | 20 | -7.80 | |
|  Omarsson, Adam | | | 1727 | ISL | 1.00 | 1 | 0.01 | 20 | 0.20 | |  Petursson, Gudni | | | 2063 | ISL | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Skarphedinsson, Ingvar Wu | | | 1727 | ISL | 1.00 | 1 | 0.01 | 20 | 0.20 | | | Thorsteinsson, Aron Ellert | | | 1814 | ISL | 1.00 | 1 | 0.01 | 20 | 0.20 | | | Thorhallsson, Simon | | | 2186 | ISL | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Kjartansson, Gudmundur | g | | 2370 | ISL | 1.00 | 1 | 0.37 | 20 | 7.40 | | | Gunnarsson, Arnar | m | | 2435 | ISL | 0.50 | 1 | -0.04 | 20 | -0.80 | |
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) | | | | Borgarskakmotid 2021 | Reykjavik | ISL | 2021-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2203 | 2462 | 7.00 | 7 | 1.77 | 20 | 35.40 | |
| | Hjaltason, Elvar Orn | | | 1727 | ISL | 1.00 | 1 | 0.01 | 20 | 0.20 | | | Karlsson, Mikael Johann | | | 2054 | ISL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Gretarsson, Andri A | f | | 2095 | ISL | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Kjartansson, Gudmundur | g | | 2370 | ISL | 1.00 | 1 | 0.37 | 20 | 7.40 | | | Stefansson, Vignir Vatnar | m | | 2389 | ISL | 1.00 | 1 | 0.40 | 20 | 8.00 | | | Gunnarsson, Arnar | m | | 2435 | ISL | 1.00 | 1 | 0.46 | 20 | 9.20 | | | Johannesson, Ingvar Thor | f | | 2351 | ISL | 1.00 | 1 | 0.35 | 20 | 7.00 | |
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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