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Individual Calculations October 2021 |
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| Lari, Ferruccio Total change: 7.60 | |   |
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| WE Lucca chess festival - C | Lucca | ITA | 2021-09-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1428 | 1538 | 2.00 | 3 | 0.06 | 20 | 1.20 | |
|  Bartoletti, Giulio | | | 1393 | ITA | 0.00 | 1 | -0.69 | 20 | -13.80 | |  Agostinelli, Massimo | | | 1483 | ITA | 1.00 | 1 | 0.42 | 20 | 8.40 | | | Coppola, Giuseppe | | | 1409 | ITA | 1.00 | 1 | 0.33 | 20 | 6.60 | |
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) | | | | CIS 2021 - Serie C Girone 16 | Campi Bisenzio | ITA | 2021-09-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1645 | 1538 | 1.50 | 3 | 0.32 | 20 | 6.40 | |
| | Orsi, Roberto | | | 1625 | ITA | 1.00 | 1 | 0.62 | 20 | 12.40 | | | Ventura, Sergio | | | 1938 * | ITA | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Perini, Leonardo | | | 1372 | ITA | 0.50 | 1 | -0.22 | 20 | -4.40 | | | * 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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