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Individual Calculations July 2008 |
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| Eiriksson, Sigurdur Total change: -3.00 | |   |
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| Akureyri Championship 2008 | Akureyri | ISL | 2008-02-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2021 | 1940 | 2.00 | 3 | 0.81 | 15 | 12.15 | |
|  Sigurdsson, Jakob Saevar | | | 1827 | ISL | 1.00 | 1 | 0.35 | 15 | 5.25 | |  Thorhallsson, Gylfi | | | 2198 | ISL | 0.50 | 1 | 0.32 | 15 | 4.80 | | | Halldorsson, Hjorleifur | | | 2039 | ISL | 0.50 | 1 | 0.14 | 15 | 2.10 | |
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) | | | | Akureyri Championship 2008 Playoff | Akueyri | ISL | 2008-03-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2198 | 1940 | 0.00 | 3 | -0.54 | 15 | -8.10 | |
| | Thorhallsson, Gylfi | | | 2198 | ISL | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Thorhallsson, Gylfi | | | 2198 | ISL | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Thorhallsson, Gylfi | | | 2198 | ISL | 0.00 | 1 | -0.18 | 15 | -2.70 | |
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 Northern tournament | Bakkaflot | ISL | 2008-04-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2123 | 1934 | 0.00 | 2 | -0.52 | 15 | -7.80 | |
| | Sigurdarson, Tomas Veigar | | | 2058 | ISL | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Thorhallsson, Gylfi | | | 2187 | ISL | 0.00 | 1 | -0.19 | 15 | -2.85 | |
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) | | | | Albert Sigurdsson Memorial 2008 | Akureyri | ISL | 2008-05-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2233 | 1934 | 0.50 | 3 | 0.05 | 15 | 0.75 | |
| | Thorsteinsson, Arnar | | | 2229 | ISL | 0.50 | 1 | 0.35 | 15 | 5.25 | | | Kjartansson, David | f | | 2284 | ISL | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Thorhallsson, Gylfi | | | 2187 | ISL | 0.00 | 1 | -0.19 | 15 | -2.85 | |
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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