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Individual Calculations April 2018 |
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| Halldorsson, Hjorleifur Total change: -18.80 | |   |
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| Icelandic Team Championship 2017-18 - 1st division Round 6-9 | Reykjavik | ISL | 2018-03-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2095 | 1792 | 0.00 | 1 | -0.14 | 20 | -2.80 | |
|  Arnason, Arni A. | | | 2095 | ISL | 0.00 | 1 | -0.14 | 20 | -2.80 | |
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) | | | | Icelandic Team Championship 2017-18 - 3rd dvision Round 5-7 | Reykjavik | ISL | 2018-03-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1942 | 1792 | 0.50 | 2 | -0.13 | 20 | -2.60 | |
|  Stefansson, Torfi | | | 2065 | ISL | 0.00 | 1 | -0.17 | 20 | -3.40 | | | Arnljotsson, Jon | | | 1818 | ISL | 0.50 | 1 | 0.04 | 20 | 0.80 | |
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) | | | | GAMMA Reykjavik Open 2018 - Bobby Fischer Memorial | Reykjavik | ISL | 2018-03-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1798 | 1792 | 3.50 | 9 | -0.67 | 20 | -13.40 | |
| | Moller, Tomas | | | 1392 * | ISL | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Stefansson, Benedikt | | | 1392 * | ISL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Velez Romero, Juan Luis | | | 1981 | ESP | 0.50 | 1 | 0.25 | 20 | 5.00 | | | Carlsen, Henrik | | | 2031 | NOR | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Swati, Mohota | | wf | 1991 | IND | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Kvamme, John A | | | 2108 | NOR | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Tummasarson, Flovin M. | | | 1392 * | FAI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Murray, Michael A. | | | 1975 | CAN | 0.50 | 1 | 0.24 | 20 | 4.80 | | | Frank, Tena, Dr. | | wf | 1921 | GER | 0.00 | 1 | -0.33 | 20 | -6.60 | | | * 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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