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Individual Calculations April 2018 |
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| Kowalski, Igor Total change: 20.00 | |   |
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| Druzynowe Mistrzostwa Mazowsza 2017-2018 | Warszawa | POL | 2017-12-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2006 | 2328 | 4.00 | 5 | -0.33 | 20 | -6.60 | |
|  Czapla, Andrzej | | | 1958 | POL | 0.50 | 1 | -0.40 | 20 | -8.00 | |  Laszczak, Przemyslaw | | | 2100 | POL | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Rylski, Tadeusz | | | 1928 * | POL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Chrzaszcz, Malvina | | | 2048 | POL | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Liberadzki, Slawomir | | | 1997 | POL | 0.50 | 1 | -0.38 | 20 | -7.60 | | | * 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) | | | | Mistrzostwa Polski Juniorow 2018 - C18 | Jastrzebia Gora | POL | 2018-03-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2240 | 2303 | 6.50 | 9 | 1.33 | 20 | 26.60 | |
| | Kaminski, Maciej | | | 1957 | POL | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Garbowski, Jakub | | | 2112 | POL | 0.50 | 1 | -0.25 | 20 | -5.00 | | | Walter, Szymon | | | 2330 | POL | 1.00 | 1 | 0.54 | 20 | 10.80 | | | Lukasiewicz, Krzysztof | | | 2209 | POL | 1.00 | 1 | 0.37 | 20 | 7.40 | | | Gumularz, Szymon | f | | 2462 | POL | 0.50 | 1 | 0.21 | 20 | 4.20 | | | Karpus, Michal | f | | 2367 | POL | 1.00 | 1 | 0.59 | 20 | 11.80 | | | Wyczling, Bartosz | | | 2102 | POL | 0.50 | 1 | -0.26 | 20 | -5.20 | | | Grela, Kacper | f | | 2321 | POL | 1.00 | 1 | 0.53 | 20 | 10.60 | | | Szustakowski, Antoni | f | | 2297 | POL | 0.00 | 1 | -0.51 | 20 | -10.20 | |
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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