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Individual Calculations December 2017 |
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| Webster, Jim J Total change: -13.60 | |   |
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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 |
| 1860 | 1783 | 1.00 | 4 | -0.68 | 20 | -13.60 | |
|  Godani, Tiziano | | | 2151 | ITA | 0.00 | 1 | -0.10 | 20 | -2.00 | |  Rupel, David | | | 1985 | USA | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Schramek, Kurt | | | 1595 | AUT | 0.50 | 1 | -0.24 | 20 | -4.80 | | | D Aulisa, Francesco | | | 1710 | ITA | 0.50 | 1 | -0.10 | 20 | -2.00 | |
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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