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Individual Calculations July 2023 |
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| Roatta, Luca Total change: -46.00 | |   |
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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 |
| 1961 | 2122 | 4.00 | 9 | -2.30 | 20 | -46.00 | |
|  Porfireanu, Serban | | | 1752 | ROU | 1.00 | 1 | 0.10 | 20 | 2.00 | |  Van Der Werf, Mark | m | | 2396 | NED | 0.00 | 1 | -0.17 | 20 | -3.40 | | | Braun, Klaus | | | 1976 | GER | 0.50 | 1 | -0.20 | 20 | -4.00 | | | Tunge, Christian | | | 1991 | NOR | 0.00 | 1 | -0.68 | 20 | -13.60 | | | Di Paolo, Marco | | | 1850 | ITA | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Waddington, Mike P | f | | 1996 | ENG | 0.00 | 1 | -0.67 | 20 | -13.40 | | | Rusek, Walter | | | 1851 | AUT | 0.50 | 1 | -0.33 | 20 | -6.60 | | | Pagano, Sergio | | | 1853 | ITA | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Kirszenberg, Marc | c | | 1984 | FRA | 0.00 | 1 | -0.69 | 20 | -13.80 | |
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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