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Individual Calculations May 2010 |
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| Cottone, Salvatore Total change: -32.50 | |   |
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| OP Praiascacchi | Praia a mare | ITA | 2010-03-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1891 | 1963 | 0.00 | 1 | -0.60 | 25 | -15.00 | |
|  Familari, Giuseppe | | | 1891 | ITA | 0.00 | 1 | -0.60 | 25 | -15.00 | |
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 II Centro Scacchi | Palermo | ITA | 2010-04-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1892 | 1963 | 0.50 | 2 | -0.70 | 25 | -17.50 | |
| | Di Misa, Salvatore | | | 1907 | ITA | 0.00 | 1 | -0.58 | 25 | -14.50 | |  Lo Piccolo, Antonino | | | 1876 | ITA | 0.50 | 1 | -0.12 | 25 | -3.00 | |
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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