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Individual Calculations April 2009 |
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| Bertino, Giacomo Total change: 5.70 | |   |
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| CP Trapani | Mazara del Vallo | ITA | 2009-01-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1993 | 2021 | 2.00 | 3 | 0.38 | 15 | 5.70 | |
|  Cleal, John | | | 1964 | ITA | 1.00 | 1 | 0.42 | 15 | 6.30 | |  Campo, Renato | | | 2000 | ITA | 0.50 | 1 | -0.03 | 15 | -0.45 | | | Messina, Damiano | | | 2016 | ITA | 0.50 | 1 | -0.01 | 15 | -0.15 | |
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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