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Rapid:
Individual Calculations April 2021 |
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| Johannesson, Petur Total change: -1.20 | |   |
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| TR Rapid March 2021 #1 | Reykjavik | ISL | 2021-03-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1419 | 965 | 0.50 | 4 | 0.14 | 20 | 2.80 | |
|  Sigurdarson, Oddur | | | 1452 | ISL | 0.00 | 1 | -0.04 | 20 | -0.80 | |  Kristbergsson, Bjorgvin | | | 1136 | ISL | 0.50 | 1 | 0.23 | 20 | 4.60 | | | Hauksson, Helgi | | | 1563 | ISL | 0.00 | 1 | -0.02 | 20 | -0.40 | | | Sigurdsson, Magnus | | | 1523 | DEN | 0.00 | 1 | -0.03 | 20 | -0.60 | |
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 March 2021 #2 | Reykjavik | ISL | 2021-03-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1346 | 965 | 0.00 | 3 | -0.36 | 20 | -7.20 | |
| | Gudmundsson, Solvi | | | 1463 | ISL | 0.00 | 1 | -0.04 | 20 | -0.80 | | | Kristbergsson, Bjorgvin | | | 1136 | ISL | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Magnusson, Thorsteinn | | | 1439 | ISL | 0.00 | 1 | -0.05 | 20 | -1.00 | |
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 March 2021 #3 | Reykjavik | ISL | 2021-03-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1213 | 965 | 1.00 | 3 | 0.24 | 20 | 4.80 | |
| | Jonasson, Hordur | | | 1505 | ISL | 0.00 | 1 | -0.03 | 20 | -0.60 | | | Kristbergsson, Bjorgvin | | | 1136 | ISL | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Brynjarsson, Orvar Holm | | | 997 | ISL | 1.00 | 1 | 0.54 | 20 | 10.80 | |
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) | | | | TR Rapid March 2021 #4 | Reykjavik | ISL | 2021-03-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1519 | 965 | 0.00 | 3 | -0.08 | 20 | -1.60 | |
| | Jonasson, Hordur | | | 1505 | ISL | 0.00 | 1 | -0.03 | 20 | -0.60 | | | Jonatansson, Sigurdur Freyr | | | 1587 | ISL | 0.00 | 1 | -0.01 | 20 | -0.20 | | | Njardarson, Arnar Ingi | | | 1466 | ISL | 0.00 | 1 | -0.04 | 20 | -0.80 | |
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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