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Individual Calculations September 2020 |
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| Collin, Moritz Valentin Total change: 17.60 | |   |
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| Davos Schachsommer 2020 | Davos | SUI | 2020-08-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1936 | 1837 | 2.50 | 4 | 1.02 | 40 | 40.80 | |
|  Tuor, Elena | | | 1448 | SUI | 1.00 | 1 | 0.09 | 40 | 3.60 | |  Petrovski, Igor | | | 2190 | MKD | 1.00 | 1 | 0.89 | 40 | 35.60 | | | Kostov, Deyan Samuil | c | | 2119 | BUL | 0.50 | 1 | 0.34 | 40 | 13.60 | | | Ceccarini, Marco | | | 1987 | ITA | 0.00 | 1 | -0.30 | 40 | -12.00 | |
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) | | | | Roessli Amateur Open Wohlen | Wohlen | SUI | 2020-08-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1715 | 1837 | 2.00 | 4 | -0.58 | 40 | -23.20 | |
| | Birbaum, Hans | | | 1437 * | SUI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Boehning, Kilian | | | 2208 | GER | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Mamalis, Prokopios | | | 1667 | GRE | 0.00 | 1 | -0.72 | 40 | -28.80 | | | Breggia Bicchiere, Antonio | | | 1548 | ITA | 1.00 | 1 | 0.16 | 40 | 6.40 | | | * 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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