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Individual Calculations October 2023 |
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| Sun, Chao Total change: 50.00 | |   |
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| Maia Chess Open 2023 | Maia | POR | 2023-08-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2208 | 2112 | 6.00 | 9 | 2.50 | 20 | 50.00 | |
|  Silva, Ana Ines Teixeira Da | | wf | 1848 | POR | 1.00 | 1 | 0.18 | 20 | 3.60 | |  Zamengo, Fulvio | f | | 2353 | ITA | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Goncalves, Lucas Jordao | | | 1876 | POR | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Lortkipanidze, Nodar | m | | 2382 | GEO | 0.50 | 1 | 0.33 | 20 | 6.60 | | | Ermida, Ricardo | | | 1712 * | POR | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Zhukova, Natalia | g | wg | 2310 | UKR | 1.00 | 1 | 0.76 | 20 | 15.20 | | | Materia, Marco | m | | 2433 | FRA | 0.50 | 1 | 0.37 | 20 | 7.40 | | | Akhvlediani, Irakli | f | | 2390 | GEO | 1.00 | 1 | 0.83 | 20 | 16.60 | | | Postny, Evgeny | g | | 2570 | ISR | 0.00 | 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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