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Individual Calculations July 2023 |
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| Dordoni, Riccardo Total change: -4.80 | |   |
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| CIS 2023 - Serie Promozione Liguria Girone 1 | Genova | ITA | 2023-05-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1636 | 1475 | 0.00 | 2 | -0.77 | 20 | -15.40 | |
|  Berni, Mauro | | | 1972 | ITA | 0.00 | 1 | -0.04 | 20 | -0.80 | |  Carozzo, Marcello | | | 1299 | ITA | 0.00 | 1 | -0.73 | 20 | -14.60 | |
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) | | | | European Senior Chess Championship 2023 over 65 - Open | Acqui Terme | ITA | 2023-05-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1553 | 1475 | 3.00 | 6 | 0.53 | 20 | 10.60 | |
| | Alquist, Erik | | | 1959 | SWE | 0.00 | 1 | -0.05 | 20 | -1.00 | | | D Aulisa, Francesco | | | 1630 | ITA | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Zimmer, Mireille | | | 1075 * | NED | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Menon, Michele | | | 1569 | ITA | 0.00 | 1 | -0.37 | 20 | -7.40 | | | Zangrando, Gianpietro | | | 1696 | ITA | 1.00 | 1 | 0.78 | 20 | 15.60 | | | Centofante, Maria Rosa | | | 1386 | ITA | 1.00 | 1 | 0.38 | 20 | 7.60 | | | * 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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