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Rapid:
Individual Calculations April 2023 |
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| Grettisson, Arnar Breki Total change: 8.60 | |   |
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| TR Rapid 2023 March #2 | Reykjavik | ISL | 2023-03-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1568 | 1493 | 1.50 | 3 | 0.28 | 20 | 5.60 | |
|  Hjaltason, Elvar Orn | | | 1690 | ISL | 0.50 | 1 | 0.25 | 20 | 5.00 | |  Ingvarsson, Unnar | | | 1716 | ISL | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Gudmundsson, Solvi | | | 1298 | ISL | 1.00 | 1 | 0.25 | 20 | 5.00 | |
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) | | | | TR Rapid 2023 March #4 | Reykjavik | ISL | 2023-03-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1581 | 1493 | 1.00 | 2 | 0.15 | 20 | 3.00 | |
| | Gudmundsson, Solvi | | | 1298 | ISL | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Gudmundsson, Kristofer Orri | | | 1863 | ISL | 0.00 | 1 | -0.10 | 20 | -2.00 | |
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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