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Individual Calculations April 2009 |
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| Bolla, Vittorio Total change: -52.75 | |   |
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| OP Memorial S. Nobile | Roma | ITA | 2009-01-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1873 | 1850 | 0.00 | 2 | -0.94 | 25 | -23.50 | |
|  Condemi, De Felice Alfonso | | | 1873 | ITA | 0.00 | 1 | -0.47 | 25 | -11.75 | |  Russo, Roberto | | | 1873 | ITA | 0.00 | 1 | -0.47 | 25 | -11.75 | |
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) | | | | FE 6 Arrocco | Roma | ITA | 2009-01-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1712 | 1850 | 1.00 | 2 | -0.36 | 25 | -9.00 | |
| | Vanzan, Alessandro | | | 1788 | ITA | 1.00 | 1 | 0.41 | 25 | 10.25 | | | Piccolo, Giuseppe | | | 1635 | ITA | 0.00 | 1 | -0.77 | 25 | -19.25 | |
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) | | | | WE Inverno a Roma | Roma | ITA | 2009-02-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1948 | 1850 | 0.00 | 2 | -0.81 | 25 | -20.25 | |
| | Chiaretti, Roberto | | | 2198 | ITA | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Tomassetti, Giuseppe | | | 1697 | ITA | 0.00 | 1 | -0.70 | 25 | -17.50 | |
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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