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Individual Calculations July 2023 |
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| Folk, Petr Total change: -3.80 | |   |
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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 |
| 2077 | 2135 | 5.00 | 9 | -0.19 | 20 | -3.80 | |
|  Giudici, Alberto | | | 1843 | ITA | 1.00 | 1 | 0.15 | 20 | 3.00 | |  Verdier, Patrice | f | | 2014 | MNC | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Bellia, Fabrizio | m | | 2393 | ITA | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Battistella, Stefano | | | 2006 | ITA | 0.50 | 1 | -0.17 | 20 | -3.40 | | | Sielicki, Tomasz | | | 1972 | POL | 0.50 | 1 | -0.22 | 20 | -4.40 | | | Zimmermann, Luc | c | | 2037 | NED | 0.50 | 1 | -0.13 | 20 | -2.60 | | | Minnican, Alan | | | 2052 | SCO | 1.00 | 1 | 0.39 | 20 | 7.80 | | | Mrva, Martin | g | | 2353 | SVK | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Cristiani, Cesare | | | 2025 | ITA | 0.50 | 1 | -0.15 | 20 | -3.00 | |
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) | | |
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