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Individual Calculations September 2017 |
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| Jankowiak, Piotr Total change: 139.80 | |   |
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| Obra Lato Open 2017 | Obra | POL | 2017-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1814 | 1774 | 7.00 | 9 | 2.95 | 20 | 59.00 | |
|  Piech, Boguslaw | | | 1374 * | POL | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Korbal, Arkadiusz | | | 2159 | POL | 0.00 | 1 | -0.09 | 20 | -1.80 | | | Kostecki, Samuel | | | 1582 | POL | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Karczynski, Lech | | | 1723 | POL | 1.00 | 1 | 0.43 | 20 | 8.60 | | | Zolnierowicz, Krzysztof | m | | 2067 | POL | 1.00 | 1 | 0.85 | 20 | 17.00 | | | Simon, Marek | | | 1837 | POL | 0.50 | 1 | 0.09 | 20 | 1.80 | | | Kostecka, Marika | | | 1761 | POL | 1.00 | 1 | 0.48 | 20 | 9.60 | | | Darowicki, Mariusz | | | 1942 | POL | 0.50 | 1 | 0.22 | 20 | 4.40 | | | Glatty, Zbigniew | | | 1879 | POL | 1.00 | 1 | 0.64 | 20 | 12.80 | | | * 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) | | | | Wroclaw Open 2017 | Wroclaw | POL | 2017-08-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2012 | 1774 | 4.00 | 8 | 2.14 | 20 | 42.80 | |
| | Zauner, Christoph | | | 2044 | AUT | 1.00 | 1 | 0.83 | 20 | 16.60 | | | Kucza, Karol | f | | 2174 * | POL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Slacky, Stanislav | | | 2174 * | SVK | 1.00 | 1 | 0.92 | 20 | 18.40 | | | Gierulski, Kamil | | | 2174 * | POL | 0.50 | 1 | 0.42 | 20 | 8.40 | | | Kowalczyk, Pawel | | | 2174 * | POL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Hetzer, Volkhard | | | 1980 | GER | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Stefanski, Adam | | | 1374 * | POL | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Van Der Veen, Ronald | | | 2002 | NED | 1.00 | 1 | 0.79 | 20 | 15.80 | | | * 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) | | | | 53. Miedzynarodowy Festiwal Szachowy im. Akiby Rubinsteina - Open A | Polanica-Zdroj | POL | 2017-08-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1987 | 1774 | 4.00 | 9 | 1.90 | 20 | 38.00 | |
| | Luba, Lukasz | | | 2097 | POL | 0.50 | 1 | 0.37 | 20 | 7.40 | | | Nyvlt, Otto | | | 1964 | CZE | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Bachor, Tomasz | | | 1898 | POL | 0.50 | 1 | 0.17 | 20 | 3.40 | | | Rosicki, Marcin | | | 1979 | POL | 0.50 | 1 | 0.26 | 20 | 5.20 | | | Kucharska, Honorata | | wf | 2041 | POL | 0.50 | 1 | 0.32 | 20 | 6.40 | | | Slomczewski, Michal | | | 1956 | NED | 1.00 | 1 | 0.74 | 20 | 14.80 | | | Musial, Tomasz | | | 1979 | POL | 0.50 | 1 | 0.26 | 20 | 5.20 | | | Baumann, Dariusz | | | 2067 | POL | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Jankowiak, Tomasz | | | 1905 | POL | 0.50 | 1 | 0.18 | 20 | 3.60 | |
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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