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Individual Calculations May 2017 |
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| Politi, Alberto Total change: 12.60 | |   |
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| World Amateur Championship - under 2000 | Spoleto | ITA | 2017-04-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1905 | 1753 | 3.00 | 8 | 0.63 | 20 | 12.60 | |
|  Bighiu, Gheorghe | | | 1909 | ITA | 1.00 | 1 | 0.71 | 20 | 14.20 | |  Vandenbroucke, Tim | | | 1918 | BEL | 0.50 | 1 | 0.22 | 20 | 4.40 | | | Siemer, Tambet | | | 1960 | EST | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Kopischke, Maik | | | 1925 | GER | 0.50 | 1 | 0.23 | 20 | 4.60 | | | Nagy, Laszlo | | | 1895 | GER | 0.00 | 1 | -0.31 | 20 | -6.20 | | | El Fazari, Mohamed Amin | | | 1831 | MAR | 0.00 | 1 | -0.39 | 20 | -7.80 | | | Kozlowski, Thierry | | | 1867 | FRA | 1.00 | 1 | 0.66 | 20 | 13.20 | | | Girgenti, Giuseppe | | | 1935 | ITA | 0.00 | 1 | -0.26 | 20 | -5.20 | |
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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