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Individual Calculations May 2023 |
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| Birkisson, Bjorn Holm Total change: -8.60 | |   |
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| Reykjavik Open 2023 | Reykjavik | ISL | 2023-03-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2060 | 2110 | 4.50 | 9 | -0.43 | 20 | -8.60 | |
|  Dhulipalla, Bala Chandra Prasad | m | | 2441 | IND | 0.00 | 1 | -0.12 | 20 | -2.40 | |  Sigurthorsson, Kristinn J | | | 1808 | ISL | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Willemze, Thomas | m | | 2364 | NED | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Ingason, Sigurdur | | | 1756 | ISL | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Buchert, Matthaus | | | 1710 * | SWE | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Tacconi, Antonio | | | 1736 | ITA | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Knaak, Rainer | g | | 2455 | GER | 0.50 | 1 | 0.39 | 20 | 7.80 | | | Ladopoulos, Dimitrios | f | | 2391 | GRE | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Haraldsson, Haraldur | | | 1882 | ISL | 0.50 | 1 | -0.29 | 20 | -5.80 | | | * 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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