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Individual Calculations July 2023 |
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| Wacker, Peter Total change: -0.60 | |   |
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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 |
| 2100 | 2265 | 5.50 | 8 | -0.05 | 20 | -1.00 | |
|  Genovese, Alberto | | | 1921 | ITA | 0.50 | 1 | -0.38 | 20 | -7.60 | | | Ceccarini, Marco | | | 2027 | ITA | 0.50 | 1 | -0.30 | 20 | -6.00 | |  Kirszenberg, Marc | c | | 1984 | FRA | 0.50 | 1 | -0.34 | 20 | -6.80 | | | Waddington, Mike P | f | | 1996 | ENG | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Cazzaniga, Walter | | | 1968 | ITA | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Van Der Werf, Mark | m | | 2396 | NED | 0.50 | 1 | 0.18 | 20 | 3.60 | | | De Santis, Alessio | f | | 2117 | ITA | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Bellia, Fabrizio | m | | 2393 | ITA | 0.50 | 1 | 0.17 | 20 | 3.40 | |
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) | | | | NRW-Viererpokal 2023 Zwischenrunde | various | GER | 2023-06-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2291 | 2286 | 1.00 | 2 | 0.02 | 20 | 0.40 | |
| | Kueppers, Timo | f | | 2234 | GER | 1.00 | 1 | 0.43 | 20 | 8.60 | | | Lemmers, Oscar | m | | 2348 | NED | 0.00 | 1 | -0.41 | 20 | -8.20 | |
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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