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Individual Calculations March 2012 |
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| Petragnani, Gian Giacomo Total change: -19.20 | |   |
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| OP Scacchi ad Arco | Arco di Trento | ITA | 2011-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1743 | 1752 | 2.50 | 6 | -0.64 | 30 | -19.20 | |
|  Giancotti, Eraldo | | | 2097 | ITA | 0.00 | 1 | -0.11 | 30 | -3.30 | |  Sheik, Mohammed Zannatun N. | | | 1510 | ITA | 1.00 | 1 | 0.20 | 30 | 6.00 | | | Perich, Stefano | | | 1922 | ITA | 0.50 | 1 | 0.22 | 30 | 6.60 | | | Vinciguerra, Riccardo | | | 1589 | ITA | 0.00 | 1 | -0.72 | 30 | -21.60 | | | Spornberger, Peter | | | 1687 | ITA | 0.50 | 1 | -0.09 | 30 | -2.70 | | | Faini, Ivano | | | 1650 | ITA | 0.50 | 1 | -0.14 | 30 | -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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