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Blitz:
Individual Calculations September 2021 |
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| Antonsson, Atli Total change: -54.60 | |   |
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| Arbaejarsafnsmotid 2021 | Reykjavik | ISL | 2021-08-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1689 | 1817 | 3.50 | 7 | -0.61 | 20 | -12.20 | |
|  Johannesson, Petur | | | 1082 | ISL | 1.00 | 1 | 0.01 | 20 | 0.20 | |  Jensson, Einar Hjalti | m | | 2325 | ISL | 0.00 | 1 | -0.04 | 20 | -0.80 | | | Sigurvaldason, Hjalmar | | | 1402 | ISL | 1.00 | 1 | 0.07 | 20 | 1.40 | | | Gunnarsson, Arnar | m | | 2435 | ISL | 0.00 | 1 | -0.02 | 20 | -0.40 | | | Jonasson, Hordur | | | 1259 | ISL | 1.00 | 1 | 0.03 | 20 | 0.60 | | | Petursson, Gudni | | | 2063 | ISL | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Helgadottir, Idunn | | | 1259 | 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 |
| 1599 | 1817 | 1.50 | 5 | -2.12 | 20 | -42.40 | |
| | Gretarsson, Andri A | f | | 2095 | ISL | 0.00 | 1 | -0.17 | 20 | -3.40 | | | Hauksson, Helgi | | | 1554 | ISL | 0.50 | 1 | -0.32 | 20 | -6.40 | | | Hallmundarson, Birkir | | | 1575 | ISL | 0.00 | 1 | -0.80 | 20 | -16.00 | | | Jonasson, Hordur | | | 1259 | ISL | 1.00 | 1 | 0.03 | 20 | 0.60 | | | Jonsson, Kristjan Dagur | | | 1510 | ISL | 0.00 | 1 | -0.86 | 20 | -17.20 | |
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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