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Individual Calculations April 2009 |
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| Ibba, Isacco Total change: 9.30 | |   |
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| OP 30 Coppa Citta' di Sassari | Sassari | ITA | 2008-12-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1911 | 2202 | 6.50 | 7 | 0.62 | 15 | 9.30 | |
|  Battasi, Antonio | | | 1852 | ITA | 1.00 | 1 | 0.11 | 15 | 1.65 | |  Goffi, Cesare | | | 1861 | ITA | 1.00 | 1 | 0.12 | 15 | 1.80 | | | Carta, Samuele | | | 1852 | ITA | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Camboni, Paolo | | | 1974 | ITA | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Deruda, Leonardo | | | 1852 | ITA | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Messina, Ottavio | | | 2031 | ITA | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Caglio, Luigi | | | 1952 | ITA | 0.50 | 1 | -0.31 | 15 | -4.65 | |
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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