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Individual Calculations October 2019 |
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| Pietruszewski, Marcin Total change: -2.00 | |   |
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| DMP II liga seniorow 2019 | Poronin | POL | 2019-09-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2130 | 2215 | 1.00 | 2 | -0.22 | 20 | -4.40 | |
|  Sielicki, Tomasz | | | 2016 | POL | 0.50 | 1 | -0.26 | 20 | -5.20 | |  Wlodarczyk, Oskar | f | | 2243 | POL | 0.50 | 1 | 0.04 | 20 | 0.80 | |
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) | | | | 30th NATO Chess Championships | Berlin | GER | 2019-09-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2062 | 2215 | 5.00 | 7 | 0.12 | 20 | 2.40 | |
| | Noviks, Maris | | | 1905 | LAT | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Marquardt, Christian | | | 2049 | GER | 0.50 | 1 | -0.22 | 20 | -4.40 | | | Kraft, Chip | | | 2050 | USA | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Kersic, Matej | | | 2122 | SLO | 0.00 | 1 | -0.63 | 20 | -12.60 | | | Cheung, Jan | | | 2015 | NED | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Tocco, Paolo | | | 2089 | ITA | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Andersen, Hans-Christoph | | | 2201 | GER | 0.50 | 1 | -0.02 | 20 | -0.40 | |
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) | | |
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