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Individual Calculations July 2023 |
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| Bosca, Valter Romano Total change: -28.00 | |   |
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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 |
| 1857 | 1949 | 3.50 | 8 | -1.40 | 20 | -28.00 | |
|  Sigfusson, Sigurdur | f | | 2279 | ISL | 0.00 | 1 | -0.12 | 20 | -2.40 | |  Caputo, Andrea | | | 1549 * | ITA | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Rusek, Walter | | | 1851 | AUT | 0.50 | 1 | -0.13 | 20 | -2.60 | | | Ronzano, Luca | | | 1745 | ITA | 0.50 | 1 | -0.26 | 20 | -5.20 | | | Di Lascio, Savino | | | 1722 | ITA | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Minnican, Alan | | | 2052 | SCO | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Melero Sanchez, Pere | | | 1890 | ESP | 0.50 | 1 | -0.08 | 20 | -1.60 | | | Degiorgis, Giorgio | | | 1765 | ITA | 0.50 | 1 | -0.24 | 20 | -4.80 | | | * 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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