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Individual Calculations January 2009 |
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| Giobbi, Costantino Total change: -31.95 | |   |
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| OP 2 Valvibrata | Nereto | ITA | 2008-10-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1958 | 1982 | 1.50 | 4 | -0.63 | 15 | -9.45 | |
|  Viviani, Alessio | | | 2018 | ITA | 0.00 | 1 | -0.45 | 15 | -6.75 | |  Rastelli, Michele | | | 2002 | ITA | 0.00 | 1 | -0.47 | 15 | -7.05 | | | Di Pietro, Gabriele | | | 1842 | ITA | 0.50 | 1 | -0.19 | 15 | -2.85 | | | Santurbano, Maria Vincenza | | | 1971 | ITA | 1.00 | 1 | 0.48 | 15 | 7.20 | |
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 12 Castelfidardo | Castelfidardo | ITA | 2008-10-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1791 | 1982 | 1.00 | 3 | -1.25 | 15 | -18.75 | |
| | Piergentili, Roberto | | | 1756 | ITA | 0.00 | 1 | -0.79 | 15 | -11.85 | | | Giri, Giovanni | | | 1836 | ITA | 0.50 | 1 | -0.20 | 15 | -3.00 | | | Marconi, Andrea | | | 1781 | ITA | 0.50 | 1 | -0.26 | 15 | -3.90 | |
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 inverno a Offida | Offida | ITA | 2008-12-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2034 | 1982 | 1.50 | 4 | -0.25 | 15 | -3.75 | |
| | Fioravanti, Diego | | | 2132 | ITA | 0.50 | 1 | 0.20 | 15 | 3.00 | | | Iaconi, Andrea | | | 1871 | ITA | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Bastarelli, Giuseppe | | | 2196 | ITA | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Pierantozzi, Stanislao | | | 1935 | ITA | 0.00 | 1 | -0.57 | 15 | -8.55 | |
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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