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Individual Calculations July 2015 |
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| Castelli, Giovanni J. Total change: -22.60 | |   |
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| CR Piemonte 2015 | Carignano | ITA | 2015-05-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1984 | 1971 | 2.00 | 4 | 0.05 | 20 | 1.00 | |
|  Raccanello, Marianna | | | 1703 | ITA | 1.00 | 1 | 0.17 | 20 | 3.40 | |  Sorcinelli, Francesco | | | 2136 | ITA | 0.00 | 1 | -0.28 | 20 | -5.60 | | | Biancotti, Alessandro | | | 1827 | ITA | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Yao, Stefano | | | 2269 | ITA | 0.00 | 1 | -0.15 | 20 | -3.00 | |
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) | | | | OP 2 Citta' di Vercelli - B | Vercelli | ITA | 2015-06-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1687 | 1975 | 3.00 | 5 | -1.18 | 20 | -23.60 | |
| | Merlini, Osvaldo | | | 1674 | ITA | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Mattavelli, Italo | | | 1737 | ITA | 0.00 | 1 | -0.80 | 20 | -16.00 | | | Ambrosini, Andrea | | | 1689 | ITA | 0.50 | 1 | -0.34 | 20 | -6.80 | | | Loggia, Davide | | | 1575 * | ITA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Torriano, Enzo | | | 1761 | ITA | 0.50 | 1 | -0.27 | 20 | -5.40 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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