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Individual Calculations September 2021 |
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| Battaglini, Marco Total change: 20.80 | |   |
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| WE Amelia - B | Amelia | ITA | 2021-07-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1408 | 1531 | 3.50 | 4 | 0.93 | 40 | 37.20 | |
|  Carmignato, Mario | | | 1135 | ITA | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Tellarini, Lorenzo | | | 1332 | ITA | 1.00 | 1 | 0.24 | 40 | 9.60 | | | Lombardi, Michele | | | 1794 | ITA | 0.50 | 1 | 0.32 | 40 | 12.80 | | | Giangiuli, Saverio | | | 1372 | ITA | 1.00 | 1 | 0.29 | 40 | 11.60 | |
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) | | | | Open Summer | Empoli | ITA | 2021-08-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1299 | 1531 | 3.00 | 4 | -0.14 | 40 | -5.60 | |
| | Massidda, Maurizio | | | 1240 | ITA | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Bernacchi, Paolo | | | 1377 | ITA | 0.00 | 1 | -0.71 | 40 | -28.40 | | | Catalani, Dario | | | 1186 | ITA | 1.00 | 1 | 0.11 | 40 | 4.40 | | | Perini, Leonardo | | | 1393 | ITA | 1.00 | 1 | 0.31 | 40 | 12.40 | |
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) | | | | CIG 2021 - Finale U14 | Salsomaggiore Terme | ITA | 2021-08-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1491 | 1531 | 4.00 | 8 | -0.27 | 40 | -10.80 | |
| | D Amico, Pietro | | | 1137 | ITA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Salvato, Giuseppe | | | 1931 * | ITA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Frascerra, Andrea | | | 1278 | ITA | 1.00 | 1 | 0.19 | 40 | 7.60 | | | Martinenghi, Gabriel | | | 1156 | ITA | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Brozzi, Danilo | | | 1775 | ITA | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Serafini, Pedro | | | 1131 * | ITA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Conte, Edoardo | | | 1793 | ITA | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Treccozzi, Riccardo | | | 1723 | ITA | 0.00 | 1 | -0.25 | 40 | -10.00 | | | * 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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