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Individual Calculations April 2009 |
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| Prudenzano, Ruggero Total change: 2.55 | |   |
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| OP Memorial S. Nobile | Roma | ITA | 2009-01-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1928 | 1923 | 2.00 | 4 | 0.03 | 25 | 0.75 | |
|  Vanzan, Alessandro | | | 1788 | ITA | 1.00 | 1 | 0.32 | 25 | 8.00 | |  Vignato, Giovanni | | | 2034 | ITA | 1.00 | 1 | 0.65 | 25 | 16.25 | | | Condemi, De Felice Alfonso | | | 1873 | ITA | 0.00 | 1 | -0.57 | 25 | -14.25 | | | Marta, Daniele | | | 2017 | ITA | 0.00 | 1 | -0.37 | 25 | -9.25 | |
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) | | | NOTE: K factor changed | | WE Inverno a Roma | Roma | ITA | 2009-02-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1988 | 1923 | 1.00 | 2 | 0.12 | 15 | 1.80 | |
| | Carnicelli, Valerio | | | 1730 | ITA | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Quimi, Marco | | | 2245 | PER | 0.00 | 1 | -0.13 | 15 | -1.95 | |
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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