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Individual Calculations July 2009 |
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| Halldorsson, Gudmundur Total change: -18.90 | |   |
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| Icelandic Team Champ 3 div | Akureyri | ISL | 2009-03-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1975 | 2248 | 1.50 | 2 | -0.14 | 15 | -2.10 | |
|  Johannsson, Orn Leo | | | 1898 | ISL | 1.00 | 1 | 0.11 | 15 | 1.65 | |  Magnusson, Magnus | | | 2052 | ISL | 0.50 | 1 | -0.25 | 15 | -3.75 | |
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) | | | | Reykjavík Open | Reykjavík | ISL | 2009-03-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2151 | 2248 | 4.50 | 9 | -1.12 | 15 | -16.80 | |
| | Kryvoruchko, Yuriy | g | | 2598 | UKR | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Thorsteinsdottir, Hallgerdur | | | 1951 | ISL | 0.50 | 1 | -0.35 | 15 | -5.25 | | | Eliasson, Kristjan Orn | | | 1940 | ISL | 0.00 | 1 | -0.86 | 15 | -12.90 | | | Ingason, Sigurdur | | | 1949 | ISL | 1.00 | 1 | 0.15 | 15 | 2.25 | | | Cross, Ted | | | 2076 | USA | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Gunnarsson, Jon Viktor | m | | 2462 | ISL | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Thorsteinsson, Erlingur | | | 2130 | ISL | 0.50 | 1 | -0.16 | 15 | -2.40 | | | Tratatovici, Dan | | | 2122 | ISR | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Berg, Runar | | | 2130 | ISL | 0.50 | 1 | -0.16 | 15 | -2.40 | |
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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