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Individual Calculations December 2017 |
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| Wieringa, Helmer Total change: -21.20 | |   |
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| World Senior Championship 2017 over 65 | Acqui Terme | ITA | 2017-11-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1918 | 1997 | 5.50 | 11 | -1.06 | 20 | -21.20 | |
|  Torre, Eugenio | g | | 2397 * | PHI | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Del Nevo, Claudio | | | 1784 | ITA | 0.50 | 1 | -0.27 | 20 | -5.40 | | | Marras, Giuseppe | | | 1759 | ITA | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Nickel, Arno | | | 2125 | GER | 1.00 | 1 | 0.67 | 20 | 13.40 | | | Beltz, Robert | | | 2158 | GER | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Altin, Halis | | | 1597 * | TUR | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Zybura, Andre | | | 1837 | CAN | 0.50 | 1 | -0.21 | 20 | -4.20 | | | Lukovski, Lev | | | 1797 | GER | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Melnik, Viktor | | | 2140 | RUS | 0.00 | 1 | -0.31 | 20 | -6.20 | | | Rendlev, Niels Moller | | | 1837 | DEN | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Zharokov, Biket | | | 1664 | KAZ | 0.50 | 1 | -0.38 | 20 | -7.60 | | | * 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) | | |
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