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Individual Calculations July 2023 |
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| Giudici, Alberto Total change: 4.60 | |   |
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| European Senior Chess Championship 2023 over 50 - Open | Acqui Terme | ITA | 2023-05-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2083 | 1843 | 3.00 | 7 | 1.54 | 20 | 30.80 | |
|  Folk, Petr | | | 2135 | CZE | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Dube, Dimitri | | | 1982 | FRA | 1.00 | 1 | 0.69 | 20 | 13.80 | |  Cristiani, Cesare | | | 2025 | ITA | 1.00 | 1 | 0.74 | 20 | 14.80 | | | Vehi Bach, Victor Manuel | m | | 2236 | ESP | 0.50 | 1 | 0.42 | 20 | 8.40 | | | Katzir, Moshe | c | | 2150 | ISR | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Balzer, Lars | | | 2018 | GER | 0.50 | 1 | 0.23 | 20 | 4.60 | | | Cardili, Mariano | | | 2038 | ITA | 0.00 | 1 | -0.25 | 20 | -5.00 | |
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) | | | | CIS 2023 - Serie C Girone 1 | Torino | ITA | 2023-06-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1870 | 1843 | 1.00 | 5 | -1.31 | 20 | -26.20 | |
| | Venturino, Federico | | | 1857 | ITA | 0.00 | 1 | -0.48 | 20 | -9.60 | | | Fuggetta, Leonardo | | | 1861 | ITA | 0.50 | 1 | 0.03 | 20 | 0.60 | | | Casadei, Marco | | | 2032 | ITA | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Torrione, William | | | 1877 | ITA | 0.00 | 1 | -0.45 | 20 | -9.00 | | | Bertino, Alberto | | | 1725 | ITA | 0.50 | 1 | -0.16 | 20 | -3.20 | |
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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