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Rapid:
Individual Calculations September 2018 |
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| Bonforte, Marcello Total change: -23.40 | |   |
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| OP 20 ARROCCO CHESS CLUB - A | ROMA | ITA | 2018-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1759 | 1837 | 2.50 | 7 | -1.57 | 20 | -31.40 | |
|  Machidon, Cristi | f | | 2237 * | MDA | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Abuhamdieh, Nando | | | 1457 | ITA | 0.50 | 1 | -0.41 | 20 | -8.20 | | | Giordani, Luca | | | 1527 | ITA | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Prelati, Maurizio | | | 1814 | ITA | 0.00 | 1 | -0.53 | 20 | -10.60 | | | Ciampi, Vincenzo | | | 1943 | ITA | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Brozzi, Danilo | | | 1437 * | ITA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Pastore, Cosmas | | | 1901 | ITA | 0.00 | 1 | -0.41 | 20 | -8.20 | | | * 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) | | | | OP LA RACCHIA IN FESTA | VEJANO | ITA | 2018-08-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1990 | 1835 | 2.00 | 5 | 0.40 | 20 | 8.00 | |
| | Rupeni, Franco | | | 2019 | ITA | 1.00 | 1 | 0.74 | 20 | 14.80 | | | Ulrich, Thomas | | | 2089 | SWE | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Chiaretti, Roberto | | | 2229 | ITA | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Marini, Riccardo | | | 1625 | ITA | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Arbore, Daniele | | | 1988 | ITA | 0.00 | 1 | -0.30 | 20 | -6.00 | |
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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