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Individual Calculations November 2021 |
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| Hillarp Persson, Tiger Total change: 7.20 | |   |
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| Icelandic Team Chess Championship 2021-22 - premier league Round 1-5 | Reykjavik | ISL | 2021-09-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2493 | 2541 | 3.00 | 5 | 0.18 | 10 | 1.80 | |
|  Kjartansson, Gudmundur | g | | 2447 | ISL | 0.50 | 1 | -0.13 | 10 | -1.30 | |  Stefansson, Vignir Vatnar | m | | 2383 | ISL | 0.50 | 1 | -0.21 | 10 | -2.10 | | | Hjartarson, Johann | g | | 2519 | ISL | 1.00 | 1 | 0.47 | 10 | 4.70 | | | Steingrimsson, Hedinn | g | | 2519 | ISL | 0.50 | 1 | -0.03 | 10 | -0.30 | | | Gretarsson, Hjorvar Steinn | g | | 2597 | ISL | 0.50 | 1 | 0.08 | 10 | 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) | | | | Match: Vignir-Tiger | Reykjavik | ISL | 2021-10-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2399 | 2521 | 1.50 | 4 | -1.18 | 10 | -11.80 | |
| | Stefansson, Vignir Vatnar | m | | 2399 | ISL | 0.50 | 1 | -0.17 | 10 | -1.70 | | | Stefansson, Vignir Vatnar | m | | 2399 | ISL | 0.00 | 1 | -0.67 | 10 | -6.70 | | | Stefansson, Vignir Vatnar | m | | 2399 | ISL | 0.50 | 1 | -0.17 | 10 | -1.70 | | | Stefansson, Vignir Vatnar | m | | 2399 | ISL | 0.50 | 1 | -0.17 | 10 | -1.70 | |
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) | | | | Fagernes Chess International 2021 GM Group | Fagernes | NOR | 2021-10-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2451 | 2521 | 7.00 | 9 | 1.72 | 10 | 17.20 | |
| | Nikolic, Vladan | | | 2216 | SWE | 1.00 | 1 | 0.14 | 10 | 1.40 | | | Koepke, Christian | m | | 2346 | GER | 1.00 | 1 | 0.27 | 10 | 2.70 | | | Sanal, Vahap | g | | 2585 | TUR | 0.50 | 1 | 0.09 | 10 | 0.90 | | | Kaasen, Tor Fredrik | m | | 2432 | NOR | 1.00 | 1 | 0.38 | 10 | 3.80 | | | Brynell, Stellan | g | | 2431 | SWE | 1.00 | 1 | 0.38 | 10 | 3.80 | | | Seo, Jung Min | m | | 2456 | SWE | 1.00 | 1 | 0.41 | 10 | 4.10 | | | Kulaots, Kaido | g | | 2511 | EST | 0.50 | 1 | -0.01 | 10 | -0.10 | | | Blomqvist, Erik | g | | 2518 | SWE | 0.50 | 1 | 0.00 | 10 | 0.00 | | | Urkedal, Frode Olav Olsen | g | | 2564 | NOR | 0.50 | 1 | 0.06 | 10 | 0.60 | |
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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