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Individual Calculations January 2009 |
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| De Maria, Isaia Total change: 16.95 | |   |
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| OP I like Elo | Roma | ITA | 2008-10-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1973 | 1867 | 3.00 | 5 | 1.13 | 15 | 16.95 | |
|  Antonelli, Mauro | | | 2075 | ITA | 0.00 | 1 | -0.23 | 15 | -3.45 | |  Mecali, Antonello | | | 1866 | ITA | 1.00 | 1 | 0.50 | 15 | 7.50 | | | Vespe, Francesco | | | 2008 | ITA | 1.00 | 1 | 0.69 | 15 | 10.35 | | | Quimi, Marco | | | 2217 | PER | 0.00 | 1 | -0.11 | 15 | -1.65 | | | De Lisa, Carmine | | | 1699 | ITA | 1.00 | 1 | 0.28 | 15 | 4.20 | |
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) | | |
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