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Individual Calculations April 2009 |
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| Costanza, Calogero Total change: -22.00 | |   |
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| OP della Befana | Milano | ITA | 2009-01-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1870 | 1740 | 0.50 | 4 | -0.88 | 25 | -22.00 | |
|  Damia, Angelo | f | | 2090 | ITA | 0.00 | 1 | -0.11 | 25 | -2.75 | |  Cecchini, Massimo S. | | | 1816 | ITA | 0.00 | 1 | -0.40 | 25 | -10.00 | | | Primerano, Carlo | | | 1718 | ITA | 0.50 | 1 | -0.03 | 25 | -0.75 | | | Guzzetti, Luigi Enrico | | | 1854 | ITA | 0.00 | 1 | -0.34 | 25 | -8.50 | |
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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