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Rapid:
Individual Calculations December 2019 |
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| Johannesson, Petur Total change: -35.80 | |   |
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| TR Tuesday XXI | Reykjavik | ISL | 2019-11-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1450 | 1176 | 0.00 | 4 | -0.88 | 20 | -17.60 | |
|  Jonatansson, Sigurdur Freyr | | | 1576 * | ISL | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Fivelstad, Jon Olav | | | 1576 * | NOR | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Heidarsson, Mikael Bjarki | | | 1070 | ISL | 0.00 | 1 | -0.64 | 20 | -12.80 | | | Hauksson, Helgi | | | 1576 * | ISL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | * 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) | | | | TR Rapid Tuesday XXIII | Reykjavik | ISL | 2019-11-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1420 | 1176 | 0.00 | 4 | -0.91 | 20 | -18.20 | |
| | Sigurdsson, Magnus | | | 1529 | DEN | 0.00 | 1 | -0.11 | 20 | -2.20 | | | Sigurvaldason, Hjalmar | | | 1558 | ISL | 0.00 | 1 | -0.09 | 20 | -1.80 | | | Jonasson, Hordur | | | 1426 | ISL | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Olafsson, Arni | | | 1165 | ISL | 0.00 | 1 | -0.52 | 20 | -10.40 | |
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) | | |
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