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Individual Calculations May 2017 |
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| Petruccioli, Antonio Total change: -8.00 | |   |
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| World Amateur Championship under 2300 | Spoleto | ITA | 2017-04-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2035 | 1986 | 3.50 | 9 | -0.40 | 20 | -8.00 | |
|  Kanep, Siim | | | 2173 | EST | 0.00 | 1 | -0.26 | 20 | -5.20 | |  Faraoni, Enrico | | | 2062 | ITA | 0.50 | 1 | 0.10 | 20 | 2.00 | | | Battistella, Stefano | | | 2067 | ITA | 0.00 | 1 | -0.39 | 20 | -7.80 | | | Ouazri, Anass | | | 2135 | MAR | 1.00 | 1 | 0.70 | 20 | 14.00 | | | Levina, Anna V. | | wf | 2059 | USA | 0.00 | 1 | -0.40 | 20 | -8.00 | | | Verrascina, Roberto | | | 2190 | ITA | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Rivola, Franco | | | 1913 | ITA | 1.00 | 1 | 0.40 | 20 | 8.00 | | | Herrmann, Roman | | | 2010 | ARG | 0.00 | 1 | -0.47 | 20 | -9.40 | | | Akeya-Price, Robert | | | 1706 | ENG | 1.00 | 1 | 0.16 | 20 | 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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