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Blitz:
Individual Calculations September 2021 |
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| Ptacnikova, Lenka Total change: -18.80 | |   |
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| Arbaejarsafnsmotid 2021 | Reykjavik | ISL | 2021-08-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1821 | 1967 | 3.00 | 6 | -0.67 | 20 | -13.40 | |
|  Kjartansson, David | m | | 2372 | ISL | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Olafsson, Arni | | | 1447 | ISL | 1.00 | 1 | 0.03 | 20 | 0.60 | | | Gudmundsson, Gunnar Erik | | | 1683 | ISL | 0.00 | 1 | -0.84 | 20 | -16.80 | | | Johannesson, Ingvar Thor | f | | 2351 | ISL | 0.00 | 1 | -0.09 | 20 | -1.80 | | | Jonasson, Hordur | | | 1259 | ISL | 1.00 | 1 | 0.01 | 20 | 0.20 | | | Thorsteinsson, Aron Ellert | | | 1814 | ISL | 1.00 | 1 | 0.30 | 20 | 6.00 | |
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) | | | | Borgarskakmotid 2021 | Reykjavik | ISL | 2021-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1820 | 1967 | 4.00 | 7 | -0.27 | 20 | -5.40 | |
| | Gudnyjarson, Sigurdur Pall | | | 1232 | ISL | 1.00 | 1 | 0.01 | 20 | 0.20 | | | Johannesson, Ingvar Thor | f | | 2351 | ISL | 0.00 | 1 | -0.09 | 20 | -1.80 | | | Jonsson, Kristjan Dagur | | | 1510 | ISL | 1.00 | 1 | 0.05 | 20 | 1.00 | | | Thorsson, Olafur | | | 2218 | ISL | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Thordarson, Sturla | | | 1649 | ISL | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Petursson, Gudni | | | 2063 | ISL | 0.00 | 1 | -0.37 | 20 | -7.40 | | | Baldursson, Benedikt | | | 1714 | ISL | 1.00 | 1 | 0.19 | 20 | 3.80 | |
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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