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Individual Calculations July 2009 |
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| Ferretti, Alessandro Total change: -2.50 | |   |
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| OP 11 Giochiamo per l'Elo | Bologna | ITA | 2009-04-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1930 | 1949 | 2.00 | 4 | -0.10 | 25 | -2.50 | |
|  Marani, Luca | | | 1818 | ITA | 1.00 | 1 | 0.32 | 25 | 8.00 | |  Gaspari, Mauro | | | 1941 | ITA | 0.00 | 1 | -0.51 | 25 | -12.75 | | | Gaido, Paolo | | | 2071 | ITA | 0.00 | 1 | -0.33 | 25 | -8.25 | | | Natoli, Andrea | | | 1889 | ITA | 1.00 | 1 | 0.42 | 25 | 10.50 | |
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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