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Individual Calculations April 2018 |
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| Petrini, Roberto Total change: 9.60 | |   |
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| 50 CIS - Promozione Emilia-Romagna Forli' | Forli' | ITA | 2018-03-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1725 | 1392 | 1.00 | 4 | 0.48 | 20 | 9.60 | |
|  Carrea, Nicola | | | 1759 | ITA | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Sforza, Michelangelo | | | 1745 | ITA | 0.00 | 1 | -0.11 | 20 | -2.20 | | | Sparvoli, Federico | | | 1602 | ITA | 0.00 | 1 | -0.23 | 20 | -4.60 | |  Pecci, William | | | 1792 * | ITA | 1.00 | 1 | 0.92 | 20 | 18.40 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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