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Individual Calculations January 2009 |
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| Bottega, Antonio Total change: 2.85 | |   |
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| OP VI Disfida di Barletta | Barletta | ITA | 2008-09-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2169 | 1975 | 1.00 | 3 | 0.18 | 15 | 2.70 | |
|  Gromovs, Sergejs | f | | 2325 | ITA | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Di Lascio, Savino | | | 1958 | ITA | 1.00 | 1 | 0.48 | 15 | 7.20 | | | Altini, Daniele | | | 2225 | ITA | 0.00 | 1 | -0.19 | 15 | -2.85 | |
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 Santa Cecilia | Genazzano | ITA | 2008-11-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1956 | 1979 | 2.00 | 4 | -0.14 | 15 | -2.10 | |
| | Carnicelli, Valerio | | | 1705 | ITA | 1.00 | 1 | 0.17 | 15 | 2.55 | |  Passerotti, Pierluigi | f | | 2288 | ITA | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Russi, Roberto | | | 1936 | ITA | 0.00 | 1 | -0.56 | 15 | -8.40 | | | Maggi, Luigi | | | 1896 | ITA | 1.00 | 1 | 0.39 | 15 | 5.85 | |
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 Alto Sangro | Castel di Sangro | ITA | 2008-12-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2022 | 1979 | 2.00 | 4 | 0.15 | 15 | 2.25 | |
| | Laketic, Gojko | m | | 2329 | SRB | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Antonelli, Alessandro | | | 1897 | ITA | 1.00 | 1 | 0.39 | 15 | 5.85 | | | Piccoli, Vincenzo | | | 1972 | ITA | 0.00 | 1 | -0.51 | 15 | -7.65 | | | Stoja, Rocco | | | 1889 | ITA | 1.00 | 1 | 0.38 | 15 | 5.70 | |
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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