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Individual Calculations April 2015 |
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| Petersson, Baldur Teodor Total change: 54.80 | |   |
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| Div II 2 2014-15 rond 6-7 | Sweden | SWE | 2015-03-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1952 | 1951 | 1.00 | 1 | 0.50 | 40 | 20.00 | |
|  Dehlin, Gabriel | | | 1952 | SWE | 1.00 | 1 | 0.50 | 40 | 20.00 | |
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) | | | | Reykjavik Open 2015 | Reykjavik | ISL | 2015-03-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1973 | 1951 | 5.50 | 10 | 0.87 | 40 | 34.80 | |
| | Tari, Aryan | m | | 2351 * | NOR | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Steinthorsson, Felix | | | 1634 | ISL | 0.50 | 1 | -0.37 | 40 | -14.80 | | | Halldorsson, Haukur | | | 1575 | ISL | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Haugli, Petter | m | | 2247 | NOR | 0.50 | 1 | 0.35 | 40 | 14.00 | | | Haessel, Dale R. | f | | 2174 | CAN | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Lee, Gudmundur Kristinn | | | 1676 | ISL | 1.00 | 1 | 0.17 | 40 | 6.80 | | | Quillien, Emmanuel | | | 2202 | FRA | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Jonasson, Hordur | | | 1562 | ISL | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Rueger, Erhard | | | 2133 | GER | 1.00 | 1 | 0.74 | 40 | 29.60 | | | Bjerke, Richard | f | | 2180 | NOR | 0.50 | 1 | 0.29 | 40 | 11.60 | | | * 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) | | |
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