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Individual Calculations April 2015 |
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| Ontiveros, John Total change: -38.00 | |   |
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| Reykjavik Open 2015 | Reykjavik | ISL | 2015-03-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1789 | 1774 | 2.50 | 8 | -1.43 | 20 | -28.60 | |
|  Loos, Roland | | | 2174 * | GER | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Skovgaard, Tom | | | 2042 | DEN | 0.00 | 1 | -0.17 | 20 | -3.40 | | | Gschwendtner, Stanislav | | | 2009 | CZE | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Klofsrud, August | | | 1571 | NOR | 0.00 | 1 | -0.76 | 20 | -15.20 | | | Finnsson, Johann Arnar | | | 1491 | ISL | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Sandberg, Martin | | | 1889 | SWE | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Halldorsson, Haukur | | | 1575 | ISL | 0.50 | 1 | -0.26 | 20 | -5.20 | | | Jonasson, Hordur | | | 1562 | ISL | 1.00 | 1 | 0.23 | 20 | 4.60 | | | * 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) | | | | Icelandic Team Championship 2014-15 3rd division Round 5-7 | Reykjavik | ISL | 2015-03-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1783 | 1774 | 0.50 | 2 | -0.47 | 20 | -9.40 | |
| | Kolka, Dawid | | | 1875 | ISL | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Matthiasson, Magnus | | | 1691 | ISL | 0.50 | 1 | -0.11 | 20 | -2.20 | |
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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