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Rapid:
Individual Calculations November 2015 |
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| Birkisson, Bardur Orn Total change: 69.60 | |   |
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| Islandsmot Unglingasveita 2015 | Gardabaer | ISL | 2015-10-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1379 | 1643 | 6.00 | 6 | 1.11 | 20 | 22.20 | |
|  Kravchuk, Mykhaylo | | | 1459 | ISL | 1.00 | 1 | 0.26 | 20 | 5.20 | |  Hakonarson, Sverrir | | | 1333 | ISL | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Ragnarsson, Heimir Pall | | | 1442 | ISL | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Kjartansson, Kristofer Halldor | | | 1352 | ISL | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Njardarson, Daniel Ernir | | | 1254 | ISL | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Thorsteinsdottir, Svava | | | 1435 | ISL | 1.00 | 1 | 0.23 | 20 | 4.60 | |
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) | | | | Icelandic Youth Championship 2015 (u16) | Reykjavik | ISL | 2015-10-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1567 | 1643 | 5.00 | 5 | 2.13 | 20 | 42.60 | |
| | Thorhallsson, Simon | | | 1891 | ISL | 1.00 | 1 | 0.81 | 20 | 16.20 | | | Birkisson, Bjorn Holm | | | 1689 | ISL | 1.00 | 1 | 0.56 | 20 | 11.20 | | | Magnusson, Thorsteinn | | | 1273 | ISL | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Sigurdarson, Alec Elias | | | 1310 | ISL | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Jonsson, Gauti Pall | | | 1672 | 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) | | | | Reykjavik Rapid Championship | Reykjavik | ISL | 2015-10-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1685 | 1643 | 3.00 | 6 | 0.24 | 20 | 4.80 | |
| | Hardarson, Jon Trausti | | | 1931 | ISL | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Birkisdottir, Freyja | | | 1293 | ISL | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Baldvinsson, Loftur | | | 1913 | ISL | 0.00 | 1 | -0.17 | 20 | -3.40 | | | Fridjonsson, Julius | | | 2043 * | ISL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Sigurvaldason, Hjalmar | | | 1533 | ISL | 1.00 | 1 | 0.35 | 20 | 7.00 | | | Briem, Stephan | | | 1396 | ISL | 1.00 | 1 | 0.19 | 20 | 3.80 | | | * 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) | | |
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