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Individual Calculations April 2018 |
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| Duda, Ryszard Total change: 39.80 | |   |
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| 196th YMCA Winter 2018-C | Warszawa | POL | 2018-01-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1448 | 1404 | 4.50 | 13 | -1.23 | 20 | -24.60 | |
|  Sloniewska, Alicja | | | 1428 | POL | 1.00 | 1 | 0.53 | 20 | 10.60 | |  Kuznik, Kamil | | | 1490 | POL | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Bartczak, Hanna | | | 1366 | POL | 1.00 | 1 | 0.45 | 20 | 9.00 | | | Borowski, Marek | | | 1487 | POL | 0.00 | 1 | -0.39 | 20 | -7.80 | | | Mazurkiewicz, Wojciech | | | 1526 | POL | 1.00 | 1 | 0.67 | 20 | 13.40 | | | Wasilewski, Orhan | | | 1374 | POL | 0.00 | 1 | -0.54 | 20 | -10.80 | | | Bialczynski, Michal | | | 1438 | POL | 0.50 | 1 | 0.05 | 20 | 1.00 | | | Budrewicz, Henryk | | | 1447 | POL | 1.00 | 1 | 0.56 | 20 | 11.20 | | | Wiktorowski, Janusz | | | 1464 | POL | 0.00 | 1 | -0.42 | 20 | -8.40 | | | Urbaniak, Karol | | | 1515 | POL | 0.00 | 1 | -0.35 | 20 | -7.00 | | | Szumigaj, Marcin | | | 1342 | POL | 0.00 | 1 | -0.59 | 20 | -11.80 | | | Sieczkowski, Adam | | | 1583 | POL | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Derylo, Adam | | | 1365 | POL | 0.00 | 1 | -0.55 | 20 | -11.00 | |
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) | | | | II Mistrzostwa Polski Seniorek i Seniorow w szachach | Ustron-Jaszowiec | POL | 2018-03-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1794 | 1404 | 4.00 | 9 | 3.22 | 20 | 64.40 | |
| | Rapiej, Andrzej | | | 1804 * | POL | 0.50 | 1 | 0.42 | 20 | 8.40 | | | Sielicki, Tomasz | | | 1804 * | POL | 1.00 | 1 | 0.92 | 20 | 18.40 | | | Zurek, Jacek | | | 1804 * | POL | 1.00 | 1 | 0.92 | 20 | 18.40 | | | Wesolowska, Hanna | | wf | 1804 * | POL | 0.50 | 1 | 0.42 | 20 | 8.40 | | | Pociejowski, Marek | | | 1804 * | POL | 1.00 | 1 | 0.92 | 20 | 18.40 | | | Zowada, Kazimierz | | | 1804 * | POL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Kawula, Andrzej | | | 1804 * | POL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Marszk, Kazimierz | | | 1804 * | POL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Klucznik, Andre | | | 1714 | FRA | 0.00 | 1 | -0.14 | 20 | -2.80 | | | * 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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