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Individual Calculations December 2015 |
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| Gromark, Per-Olof Total change: -1.80 | |   |
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| World Senior Championship 2015 - over 65 | Acqui Terme | ITA | 2015-11-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1980 | 1983 | 5.50 | 11 | -0.09 | 20 | -1.80 | |
|  Maryasin, Boris | m | | 2335 | ISR | 0.50 | 1 | 0.39 | 20 | 7.80 | |  Sloth, Jorn | f | | 2311 | DEN | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Heikkila, Raine | | | 1794 | FIN | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Gundersen, Helge | | | 2141 | NOR | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Webster, Jim J | | | 1850 | SCO | 0.00 | 1 | -0.68 | 20 | -13.60 | | | Scarpellini, Felice | | | 1668 | ITA | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Del Nevo, Claudio | | | 1840 | ITA | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Beltz, Robert | | | 2156 | GER | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Do Prado, Hamilton Mesquita | | | 1666 | BRA | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Archangelsky, Mikhail | m | | 2110 | RUS | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Malano, Francesco | | | 1904 | ITA | 1.00 | 1 | 0.39 | 20 | 7.80 | |
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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