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Individual Calculations May 2023 |
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| Tacconi, Antonio Total change: -13.00 | |   |
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| Reykjavik Open 2023 | Reykjavik | ISL | 2023-03-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1958 | 1736 | 1.00 | 6 | -0.51 | 20 | -10.20 | |
|  Bjorkman, Filip | | | 2040 | SWE | 0.00 | 1 | -0.14 | 20 | -2.80 | |  Alfaro Guillen, Jose Raul | | | 1983 | CRC | 0.50 | 1 | 0.31 | 20 | 6.20 | | | Murphy, Hugh W | | | 2100 | ENG | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Birkisson, Bjorn Holm | | | 2110 | ISL | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Terhuven, Patrick | | | 2179 | GER | 0.00 | 1 | -0.06 | 20 | -1.20 | | | Jonsdottir, Katrin Maria | | | 1336 * | ISL | 0.50 | 1 | -0.42 | 20 | -8.40 | | | * 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) | | | | WE 16 Citta' di Livorno - 3 Memorial Carlo Falciani - A | Livorno | ITA | 2023-04-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1815 | 1736 | 1.50 | 4 | -0.14 | 20 | -2.80 | |
| | Calcagnile, Lucio Maria | | | 1954 | ITA | 0.50 | 1 | 0.28 | 20 | 5.60 | | | Fulgentini, Edoardo | | | 1498 | ITA | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Pozzari, Simone | | | 2069 | ITA | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Pinto, Antonio | | | 1737 | ITA | 0.00 | 1 | -0.50 | 20 | -10.00 | |
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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