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Individual Calculations October 2021 |
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| Vedder, Richard Total change: -8.40 | |   |
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| European Individual Chess Championship - Reykjavik Open 2021 | Reykjavik | ISL | 2021-08-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2274 | 2266 | 4.50 | 10 | -0.40 | 20 | -8.00 | |
|  Hovhannisyan, Robert | g | | 2626 | ARM | 0.00 | 1 | -0.10 | 20 | -2.00 | |  Ftacnik, Lubomir | g | | 2513 | SVK | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Petursson, Gudni | | | 1988 | ISL | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Petenyi, Tamas | m | | 2463 | SVK | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Johannsdottir, Johanna Bjorg | | | 2019 | ISL | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Bartel, Mateusz | g | | 2611 | POL | 0.00 | 1 | -0.11 | 20 | -2.20 | | | Birkisson, Bjorn Holm | | | 2064 | ISL | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Kozak, Adam | g | | 2504 | HUN | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Mai, Alexander Oliver | | | 2090 | ISL | 0.50 | 1 | -0.23 | 20 | -4.60 | | | Gudmundsson, Gunnar Erik | | | 1866 * | ISL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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) | | | | Dutch Team Competition 2021-2022 - Meesterklasse Round 1 | various | NED | 2021-09-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2250 | 2266 | 0.50 | 1 | -0.02 | 20 | -0.40 | |
| | Lammens, Tim | f | | 2250 | NED | 0.50 | 1 | -0.02 | 20 | -0.40 | |
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) | | |
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