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Individual Calculations September 2009 |
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| Villa, Giorgio Total change: -5.25 | |   |
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| Campionato Italiano under 14 | Courmayeur | ITA | 2009-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1775 | 1652 | 0.00 | 1 | -0.33 | 25 | -8.25 | |
|  Largo, Jacopo | | | 1775 | ITA | 0.00 | 1 | -0.33 | 25 | -8.25 | |
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 Agosto a Milano - B | Milano | ITA | 2009-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1790 | 1670 | 0.50 | 2 | -0.18 | 25 | -4.50 | |
|  Di Chiara, Mauro | | | 1844 | ITA | 0.50 | 1 | 0.23 | 25 | 5.75 | | | Ragusa, Luigi | | | 1736 | ITA | 0.00 | 1 | -0.41 | 25 | -10.25 | |
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) | | | | Jubilee Open Allgemeines Turnier | Zurich | SUI | 2009-08-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1897 | 1670 | 1.00 | 3 | 0.30 | 25 | 7.50 | |
| | Gehrig, Peter | | | 2070 * | SUI | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Reutimann, Hans Peter | | | 1804 | SUI | 0.00 | 1 | -0.32 | 25 | -8.00 | | | Habiger, Gerhard | | | 1817 | SUI | 1.00 | 1 | 0.70 | 25 | 17.50 | | | * 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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