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Individual Calculations September 2023 |
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| Pirrello, Christian Total change: 8.20 | |   |
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| ZUERICHSee AmateurOpen 2023 | Pfaeffikon SZ | SUI | 2023-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1856 | 2039 | 4.50 | 6 | 0.41 | 20 | 8.20 | |
|  Fry, Ryunosuke | | | 1557 | SUI | 1.00 | 1 | 0.05 | 20 | 1.00 | |  Haralalka, Divij | | | 1656 | SGP | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Cernov, Vadim | m | | 2281 | ROU | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Neininger, Sarah | | | 1639 * | GER | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Schwab, Felix | | | 1999 | SUI | 1.00 | 1 | 0.44 | 20 | 8.80 | | | Boschetti, Claudio | | | 2003 | SUI | 0.50 | 1 | -0.05 | 20 | -1.00 | | | * 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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