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Blitz:
Individual Calculations September 2023 |
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| Gudmundsson, Petur Steinn Total change: 2.60 | |   |
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| Borgarskakmotid 2023 | Reykjavk | ISL | 2023-08-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1696 | 1758 | 4.00 | 7 | 0.43 | 20 | 8.60 | |
|  Johannesson, Petur | | | 1358 * | ISL | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Prudnykova, Olga | | wm | 2098 | ISL | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Eiriksson, Theodor | | | 1159 | ISL | 1.00 | 1 | 0.02 | 20 | 0.40 | | | Palsson, Halldor | | | 1884 | ISL | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Kovacik, Oliver | | | 1136 | SVK | 1.00 | 1 | 0.01 | 20 | 0.20 | | | Ingvason, Johann | | | 2030 | ISL | 1.00 | 1 | 0.83 | 20 | 16.60 | | | Halldorsson, Halldor | c | | 2205 | ISL | 0.00 | 1 | -0.06 | 20 | -1.20 | | | * 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) | | | | Stormot TR og Arbaejarsafns 2023 | Reykjavik | ISL | 2023-08-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1823 | 1758 | 3.00 | 7 | -0.30 | 20 | -6.00 | |
| | Stefansson, Vignir Vatnar | g | | 2510 | ISL | 0.00 | 1 | 0.00 | 20 | 0.00 | | | Ulfljotsson, Jon | | | 1766 | ISL | 1.00 | 1 | 0.51 | 20 | 10.20 | | | Sigurdarson, Logi | | | 1441 | ISL | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Sigurdsson, Pall | | | 1811 | ISL | 0.00 | 1 | -0.43 | 20 | -8.60 | | | Gudmundsson, Gunnar Erik | | | 2023 | ISL | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Sigurdsson, Runar | | | 1405 | ISL | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Bjornsson, Eirikur K. | | | 1802 | ISL | 0.00 | 1 | -0.44 | 20 | -8.80 | |
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) | | |
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