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Individual Calculations April 2015 |
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| Kristjansson, Stefan Total change: 2.60 | |   |
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| Reykjavik Open 2015 | Reykjavik | ISL | 2015-03-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2314 | 2482 | 6.00 | 9 | -0.29 | 10 | -2.90 | |
|  Fivelstad, Jon Olav | | | 2082 * | NOR | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Wahedi, Ahmad Siar | f | | 2287 | GER | 1.00 | 1 | 0.25 | 10 | 2.50 | | | Navara, David | g | | 2736 | CZE | 0.00 | 1 | -0.19 | 10 | -1.90 | | | Valdimarsson, Einar | | | 2082 * | ISL | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Vuilleumier, Alexandre | m | | 2349 | SUI | 0.50 | 1 | -0.18 | 10 | -1.80 | | | Ni, Shiqun | | wm | 2315 | CHN | 0.50 | 1 | -0.22 | 10 | -2.20 | | | Bisby, Daniel L | f | | 2321 | ENG | 0.50 | 1 | -0.21 | 10 | -2.10 | | | Wahlbom, Magnus | | | 2278 | SWE | 1.00 | 1 | 0.24 | 10 | 2.40 | | | Abdumalik, Zhansaya | | wg | 2379 | KAZ | 0.50 | 1 | -0.14 | 10 | -1.40 | | | * 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 1st division Round 6-9 | Reykjavik | ISL | 2015-03-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2161 | 2482 | 4.00 | 4 | 0.55 | 10 | 5.50 | |
| | Gislason, Magnus | | | 2082 * | ISL | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Johannesson, Oliver | | | 2212 | ISL | 1.00 | 1 | 0.17 | 10 | 1.70 | | | Kristinsson, Jon | | | 2251 | ISL | 1.00 | 1 | 0.21 | 10 | 2.10 | | | Bergmann, Haukur | | | 2098 | ISL | 1.00 | 1 | 0.09 | 10 | 0.90 | | | * 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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