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Individual Calculations January 2016 |
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| Praczukowski, Stanislaw Total change: -48.00 | |   |
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| 161st YMCA Autumn 2015-A | Warszawa | POL | 2015-09-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1965 | 2028 | 6.00 | 13 | -1.61 | 20 | -32.20 | |
|  Kokoszczynski, Jan | | | 1873 | POL | 0.50 | 1 | -0.21 | 20 | -4.20 | |  Grabowicz, Marcin | | | 1924 | POL | 1.00 | 1 | 0.36 | 20 | 7.20 | | | Koziol, Pawel | | | 1927 | POL | 0.50 | 1 | -0.14 | 20 | -2.80 | | | Szwaj, Jacek | | | 1948 | POL | 0.00 | 1 | -0.61 | 20 | -12.20 | | | Kosny, Marek | | | 1912 | POL | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Kielar, Maciej | | | 2115 | POL | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Powalka, Michal | | | 1940 | POL | 0.00 | 1 | -0.62 | 20 | -12.40 | | | Liberadzki, Slawomir | | | 2011 | POL | 0.00 | 1 | -0.52 | 20 | -10.40 | | | Borowy, Cezary | | | 1884 | POL | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Maj, Pawel | | | 2078 | POL | 0.50 | 1 | 0.07 | 20 | 1.40 | | | Choroszej, Aleksander | | | 1949 | POL | 1.00 | 1 | 0.39 | 20 | 7.80 | | | Pietrzak, Wojciech | | | 1918 | POL | 0.00 | 1 | -0.65 | 20 | -13.00 | | | Szymczak, Rafal | | | 2062 | POL | 0.50 | 1 | 0.05 | 20 | 1.00 | |
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) | | | | 7th London Chess Classic: FIDE Open | London | ENG | 2015-12-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2019 | 2039 | 4.00 | 9 | -0.79 | 20 | -15.80 | |
| | Bartholomew, John | m | | 2439 * | USA | 0.00 | 1 | -0.08 | 20 | -1.60 | | | De Lagontrie, Jean | | | 1776 | FRA | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Ronka, Erik | | | 2248 | FIN | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Klingher, Dominic | | | 1758 | ENG | 0.00 | 1 | -0.84 | 20 | -16.80 | | | Kalerwa, Edwin M | | | 1823 | ENG | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Rovai, Andrea | | | 1839 | ITA | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Barj, Julien | | | 2207 | FRA | 0.00 | 1 | -0.28 | 20 | -5.60 | | | Semprun Martinez, Fernando | | | 2200 | ESP | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Jacob, Sydney J | | | 1884 | ENG | 1.00 | 1 | 0.29 | 20 | 5.80 | | | * 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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