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Individual Calculations January 2009 |
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| Guidi, Marco Total change: -25.20 | |   |
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| OP I like Elo | Roma | ITA | 2008-10-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1661 | 1905 | 1.50 | 2 | -0.10 | 15 | -1.50 | |
|  Colantonio, Marco | | | 1699 | ITA | 1.00 | 1 | 0.24 | 15 | 3.60 | |  Piccolo, Giuseppe | | | 1623 | ITA | 0.50 | 1 | -0.34 | 15 | -5.10 | |
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 Palestrina | Palestrina | ITA | 2008-12-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1962 | 1905 | 1.00 | 6 | -1.58 | 15 | -23.70 | |
| | Gerardi, Saverio | | | 2172 | ITA | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Trebeschi, Andrea | | | 2067 | ITA | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Maddaloni, Giovanni | | | 1841 | ITA | 0.00 | 1 | -0.59 | 15 | -8.85 | | | Sorbelli, Massimo | | | 1929 | ITA | 0.00 | 1 | -0.47 | 15 | -7.05 | | | Campomori, Bruno | | | 2019 | ITA | 0.50 | 1 | 0.16 | 15 | 2.40 | | | Carotenuto, Piero | | | 1744 | ITA | 0.50 | 1 | -0.21 | 15 | -3.15 | |
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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