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Individual Calculations November 2009 |
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| Stefansson, Fridrik Thjalfi Total change: 58.05 | |   |
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| Icelandic Chess Championship - Candidate Section | Reykjavik | ISL | 2009-08-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1912 | 1694 | 3.00 | 6 | 1.56 | 25 | 39.00 | |
|  Olafsson, Thorvardur | | | 2094 * | ISL | 0.00 | 1 | -0.08 | 25 | -2.00 | |  Gardarsson, Hordur | | | 1884 | ISL | 0.50 | 1 | 0.25 | 25 | 6.25 | | | Eidsson, Johann Oli | | | 1747 | ISL | 1.00 | 1 | 0.57 | 25 | 14.25 | | | Benediktsson, Frimann | | | 1950 | ISL | 1.00 | 1 | 0.81 | 25 | 20.25 | | | Kristinsson, Bjarni Jens | | | 1985 | ISL | 0.00 | 1 | -0.15 | 25 | -3.75 | | | Leifsson, Thorsteinn | | | 1814 | ISL | 0.50 | 1 | 0.16 | 25 | 4.00 | | | * 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) | | | NOTE: K factor changed | | TR Champ 2009 C group | Reykjavik | ISL | 2009-09-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1613 | 1694 | 5.50 | 7 | 1.27 | 15 | 19.05 | |
| | Sigurdsson, Birkir Karl | | | 1445 | ISL | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Antonsson, Atli | | | 1716 | ISL | 0.50 | 1 | 0.03 | 15 | 0.45 | | | Steingrimsson, Gustaf | | | 1667 | ISL | 1.00 | 1 | 0.46 | 15 | 6.90 | | | Lee, Gudmundur Kristinn | | | 1496 | ISL | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Kristinardottir, Elsa Maria | | | 1766 | ISL | 0.50 | 1 | 0.10 | 15 | 1.50 | | | Andrason, Pall | | | 1550 | ISL | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Brynjarsson, Eirikur Orn | | | 1648 | ISL | 0.50 | 1 | -0.06 | 15 | -0.90 | |
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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