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Individual Calculations November 2021 |
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| Stefansson, Vignir Vatnar Total change: 33.10 | |   |
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| Haustmot TR A-Flokkur 2021 | Reykjavik | ISL | 2021-09-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2179 | 2383 | 7.50 | 9 | 0.87 | 10 | 8.70 | |
|  Briem, Benedikt | | | 1983 * | ISL | 0.50 | 1 | -0.42 | 10 | -4.20 | | | Ptacnikova, Lenka | | wg | 2127 | ISL | 1.00 | 1 | 0.19 | 10 | 1.90 | |  Briem, Stephan | | | 2095 | ISL | 1.00 | 1 | 0.16 | 10 | 1.60 | | | Karlsson, Mikael Johann | | | 2067 | ISL | 1.00 | 1 | 0.13 | 10 | 1.30 | | | Ornolfsson, Magnus P. | | | 2211 | ISL | 1.00 | 1 | 0.27 | 10 | 2.70 | | | Ragnarsson, Dagur | f | | 2376 | ISL | 1.00 | 1 | 0.49 | 10 | 4.90 | | | Halldorsson, Jon Arni | | | 2103 | ISL | 1.00 | 1 | 0.16 | 10 | 1.60 | | | Bjarnason, Saevar | m | | 2048 | ISL | 1.00 | 1 | 0.12 | 10 | 1.20 | | | Gretarsson, Hjorvar Steinn | g | | 2597 | ISL | 0.00 | 1 | -0.23 | 10 | -2.30 | | | * 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) | | | | 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 |
| 2525 | 2383 | 2.00 | 5 | 0.43 | 10 | 4.30 | |
| | Gretarsson, Hjorvar Steinn | g | | 2597 | ISL | 0.00 | 1 | -0.23 | 10 | -2.30 | | | Hillarp Persson, Tiger | g | | 2541 | SWE | 0.50 | 1 | 0.21 | 10 | 2.10 | | | Steingrimsson, Hedinn | g | | 2519 | ISL | 0.00 | 1 | -0.32 | 10 | -3.20 | | | Kjartansson, Gudmundur | g | | 2447 | ISL | 0.50 | 1 | 0.09 | 10 | 0.90 | | | Hjartarson, Johann | g | | 2519 | ISL | 1.00 | 1 | 0.68 | 10 | 6.80 | |
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 |
| 2521 | 2399 | 2.50 | 4 | 1.18 | 10 | 11.80 | |
| | Hillarp Persson, Tiger | g | | 2521 | SWE | 0.50 | 1 | 0.17 | 10 | 1.70 | | | Hillarp Persson, Tiger | g | | 2521 | SWE | 1.00 | 1 | 0.67 | 10 | 6.70 | | | Hillarp Persson, Tiger | g | | 2521 | SWE | 0.50 | 1 | 0.17 | 10 | 1.70 | | | Hillarp Persson, Tiger | g | | 2521 | SWE | 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) | | | | OBRO 85 Aars jubilaum | Kobenhavn | DEN | 2021-10-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2338 | 2399 | 6.00 | 9 | 0.83 | 10 | 8.30 | |
| | Porte, Henrik | | | 2170 | NED | 0.00 | 1 | -0.79 | 10 | -7.90 | | | Ramsdal, Jens Albert | f | | 2261 | DEN | 1.00 | 1 | 0.31 | 10 | 3.10 | | | Simonsen, Carsten | | | 2218 | DEN | 1.00 | 1 | 0.26 | 10 | 2.60 | | | Apol, Luitjen Akselsson | | | 2090 | FAI | 1.00 | 1 | 0.14 | 10 | 1.40 | | | Siddharth, Jagadeesh | f | | 2336 | SGP | 1.00 | 1 | 0.41 | 10 | 4.10 | | | Aczel, Gergely | g | | 2556 | HUN | 0.50 | 1 | 0.21 | 10 | 2.10 | | | Hamitevici, Vladimir | g | | 2465 | MDA | 0.00 | 1 | -0.41 | 10 | -4.10 | | | Brynell, Stellan | g | | 2431 | SWE | 1.00 | 1 | 0.54 | 10 | 5.40 | | | Kozak, Adam | g | | 2516 | HUN | 0.50 | 1 | 0.16 | 10 | 1.60 | |
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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