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Individual Calculations November 2021 |
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| Van Der Werf, Mark Total change: -5.50 | |   |
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| European Senior Chess Championship 2021 - Over 50 - Open | Budoni | ITA | 2021-09-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2221 | 2393 | 6.00 | 9 | -0.23 | 10 | -2.30 | |
|  Baliuniene, Margarita | | | 1993 * | LTU | 0.50 | 1 | -0.42 | 10 | -4.20 | |  Hughes, Anthony | c | | 1993 * | WLS | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Borsuk, Angela | m | wg | 2100 | ISR | 1.00 | 1 | 0.15 | 10 | 1.50 | | | Peist, Juergen | f | | 2314 | GER | 0.50 | 1 | -0.11 | 10 | -1.10 | | | Burnett, Andrew | f | | 2163 | SCO | 1.00 | 1 | 0.21 | 10 | 2.10 | | | Bischoff, Klaus | g | | 2495 | GER | 0.50 | 1 | 0.14 | 10 | 1.40 | | | Bellia, Fabrizio | m | | 2431 | ITA | 0.00 | 1 | -0.45 | 10 | -4.50 | | | Cmiel, Thorsten | f | | 2105 | GER | 1.00 | 1 | 0.16 | 10 | 1.60 | | | Krizsany, Laszlo | m | | 2397 | HUN | 0.50 | 1 | 0.01 | 10 | 0.10 | | | * 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 2 | various | NED | 2021-10-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2133 | 2393 | 0.50 | 1 | -0.32 | 10 | -3.20 | |
| | Groffen, Hans | | | 2133 | NED | 0.50 | 1 | -0.32 | 10 | -3.20 | |
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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