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Individual Calculations December 2021 |
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| Gudmundsson, Gunnar Erik Total change: 49.20 | |   |
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| U2000 motid 2021 | REykjavik | ISL | 2021-10-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1674 | 1830 | 4.50 | 6 | 0.48 | 40 | 19.20 | |
|  Kjartansson, Matthias Bjorgvin | | | 1430 * | ISL | 0.50 | 1 | -0.42 | 40 | -16.80 | |  Gudmundsson, Solvi | | | 1430 * | ISL | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Thorsteinsson, Aron Ellert | | | 1814 | ISL | 1.00 | 1 | 0.48 | 40 | 19.20 | | | Arnason, Einar Agust | | | 1667 | ISL | 1.00 | 1 | 0.28 | 40 | 11.20 | | | Jonsson, Kristjan Dagur | | | 1811 | ISL | 1.00 | 1 | 0.47 | 40 | 18.80 | | | Baldursson, Haraldur | | | 1894 | ISL | 0.00 | 1 | -0.41 | 40 | -16.40 | | | * 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) | | | | Hasselbacken Chess Open 2021 Lang | Stockholm | SWE | 2021-11-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2098 | 1834 | 1.50 | 4 | 0.75 | 40 | 30.00 | |
| | Ornstein, Axel | m | | 2234 * | SWE | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Jiretorn, Eva | | | 2014 | SWE | 1.00 | 1 | 0.74 | 40 | 29.60 | | | Briem, Benedikt | | | 2064 | ISL | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Collett, Peter | c | | 2079 | SWE | 0.50 | 1 | 0.30 | 40 | 12.00 | | | * 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) | | |
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