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Individual Calculations March 2015 |
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| Kristjansson, Halldor Atli Total change: 67.60 | |   |
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| Reykjavik Chess Championship 2015 | Reykjavik | ISL | 2015-01-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1527 | 1267 | 2.00 | 6 | 0.80 | 40 | 32.00 | |
|  Valtysson, Thor | | | 1667 * | ISL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Gardarsson, Hordur | | | 1667 * | ISL | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Plantada Siurans, Estanislau | | | 1521 | ESP | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Ragnarsson, Heimir Pall | | | 1490 | ISL | 1.00 | 1 | 0.78 | 40 | 31.20 | | | Briem, Hedinn | | | 1464 | ISL | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Magnusson, Thorsteinn | | | 1353 | ISL | 1.00 | 1 | 0.62 | 40 | 24.80 | | | * 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) | | | | Reykjavik Chess Club Cup 2015 #3 | Reykjavik | ISL | 2015-02-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1415 | 1267 | 1.50 | 2 | 0.89 | 40 | 35.60 | |
| | Finnsson, Johann Arnar | | | 1477 | ISL | 0.50 | 1 | 0.27 | 40 | 10.80 | | | Magnusson, Thorsteinn | | | 1353 | ISL | 1.00 | 1 | 0.62 | 40 | 24.80 | |
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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