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Individual Calculations January 2009 |
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| Colantonio, Marco Total change: -4.00 | |   |
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| OP I like Elo | Roma | ITA | 2008-10-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1865 | 1699 | 1.00 | 4 | -0.16 | 25 | -4.00 | |
|  Arabito, Giuseppe | | | 1919 | ITA | 0.00 | 1 | -0.22 | 25 | -5.50 | |  Guidi, Marco | | | 1905 | ITA | 0.00 | 1 | -0.24 | 25 | -6.00 | | | Musmarra, Giovanni | | | 1724 | ITA | 0.00 | 1 | -0.47 | 25 | -11.75 | | | D Amico, Salvatore | | | 1910 | ITA | 1.00 | 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) | | |
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