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Blitz:
Individual Calculations September 2021 |
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| Helgadottir, Idunn Total change: -22.20 | |   |
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| Arbaejarsafnsmotid 2021 | Reykjavik | ISL | 2021-08-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1802 | 1259 | 0.50 | 3 | 0.34 | 20 | 6.80 | |
|  Edvardsson, Kristjan | | | 1994 | ISL | 0.00 | 1 | -0.01 | 20 | -0.20 | |  Gunnarsson, Helgi Petur | | | 1594 | ISL | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Antonsson, Atli | | | 1817 | ISL | 0.50 | 1 | 0.47 | 20 | 9.40 | |
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 |
| 1541 | 1259 | 0.00 | 6 | -1.45 | 20 | -29.00 | |
| | Valgardsson, Gudjon Heidar | | | 1990 | ISL | 0.00 | 1 | -0.01 | 20 | -0.20 | | | Thorisson, Benedikt | | | 1644 | ISL | 0.00 | 1 | -0.09 | 20 | -1.80 | | | Hjaltason, Elvar Orn | | | 1652 | ISL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Audarson, Odinn Freyr | | | 1492 | ISL | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Sigurvaldason, Hjalmar | | | 1402 | ISL | 0.00 | 1 | -0.31 | 20 | -6.20 | | | Kristbergsson, Bjorgvin | | | 1068 | ISL | 0.00 | 1 | -0.75 | 20 | -15.00 | |
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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