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Individual Calculations May 2011 |
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| Thorhallsson, Gylfi Total change: -13.05 | |   |
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| Icelandic Team Tournament 2010-2011 1 div | Reykjavik | ISL | 2011-03-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2315 | 2200 | 0.50 | 2 | -0.22 | 15 | -3.30 | |
|  Fridjonsson, Julius | | | 2186 | ISL | 0.00 | 1 | -0.52 | 15 | -7.80 | | | Gretarsson, Hjorvar Steinn | | | 2444 | ISL | 0.50 | 1 | 0.30 | 15 | 4.50 | |
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) | | | | Reykjavik Open 2011 | Reykjavik | ISL | 2011-03-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2189 | 2200 | 4.00 | 8 | -0.02 | 15 | -0.30 | |
|  Ziska, Helgi Dam | m | | 2432 | FAI | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Mihajlov, Sebastian | | | 1871 | NOR | 1.00 | 1 | 0.12 | 15 | 1.80 | | | Thorhallsson, Throstur | g | | 2387 | ISL | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Sverrisson, Nokkvi | | | 1824 | ISL | 1.00 | 1 | 0.09 | 15 | 1.35 | | | Dearing, Eddie | m | | 2412 | SCO | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Willis, Brad | | | 2090 | CAN | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Debashis, Das | m | | 2398 | IND | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Herms Agullo, Jordi | | | 2098 | ESP | 1.00 | 1 | 0.36 | 15 | 5.40 | |
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) | | | | Icelandic Championship 2011 Candidates | Reykjavik | ISL | 2011-04-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1956 | 2200 | 5.50 | 8 | -0.63 | 15 | -9.45 | |
| | Sigurdsson, Birkir Karl | | | 1800 * | ISL | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Johannsson, Orn Leo | | | 1859 | ISL | 1.00 | 1 | 0.12 | 15 | 1.80 | | | Ragnarsson, Dagur | | | 1800 * | ISL | 0.00 | 1 | -0.92 | 15 | -13.80 | | | Fridthjofsdottir, Sigurl Regina | | | 1808 | ISL | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Ulfljotsson, Jon | | | 1872 | ISL | 1.00 | 1 | 0.13 | 15 | 1.95 | | | Gretarsson, Hjorvar Steinn | | | 2444 | ISL | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Sigurdsson, Pall | | | 1929 | ISL | 0.50 | 1 | -0.33 | 15 | -4.95 | | | Ingvason, Johann | | | 2135 | ISL | 1.00 | 1 | 0.41 | 15 | 6.15 | | | * 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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