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Individual Calculations December 2017 |
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| Parrella, Alfredo Total change: -2.80 | |   |
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| World Senior Championship 2017 over 50 | Acqui Terme | ITA | 2017-11-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2068 | 2114 | 6.00 | 11 | -0.14 | 20 | -2.80 | |
|  Sturua, Zurab | g | | 2514 * | GEO | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Serafim Junior, Arnor | | | 1866 | BRA | 0.50 | 1 | -0.31 | 20 | -6.20 | | | Gilbert, Michael A | | | 1917 | USA | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Luciani, Carlo | | | 2232 | ITA | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Hoffmann, Michael | | | 1949 | GER | 0.00 | 1 | -0.72 | 20 | -14.40 | | | Bosca, Valter Romano | | | 2000 | ITA | 0.50 | 1 | -0.16 | 20 | -3.20 | | | Cesar, Geovanny | | | 1859 | DOM | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Turegano Moratalla, Santiago | | | 1763 | ESP | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Teo, Kok Siong | f | | 2274 | SGP | 0.50 | 1 | 0.21 | 20 | 4.20 | | | Chan, Peng Kong | m | | 2172 | SGP | 0.50 | 1 | 0.08 | 20 | 1.60 | | | Koehler, Gerhard, Dr. | | | 2207 | GER | 1.00 | 1 | 0.63 | 20 | 12.60 | | | * 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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