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Individual Calculations April 2021 |
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| Leszczynski, Bartosz Total change: 3.60 | |   |
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| XI Otwarte Mistrzostwa Garnizonu Warszawa w szachach klasycznych 2021 Round 1-7 | Warszawa | POL | 2021-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1627 | 1839 | 6.50 | 7 | 1.30 | 20 | 26.00 | |
|  Wolszczak, Natalia | | | 1439 * | POL | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Jaroszuk, Marcin | | | 1500 | POL | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Grzenkowicz, Lukasz | | | 1638 | POL | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Borowicz, Przemyslaw | | | 1972 | POL | 0.50 | 1 | 0.18 | 20 | 3.60 | | | Juszkowski, Kamil | | | 1737 | POL | 1.00 | 1 | 0.36 | 20 | 7.20 | | | Wilczynski, Adam | | | 1549 | POL | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Kwiecinski, Rafal | | | 1552 | POL | 1.00 | 1 | 0.16 | 20 | 3.20 | | | * 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) | | | | 237th YMCA Winter 2021-B | Warszawa | POL | 2021-01-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1696 | 1839 | 5.00 | 9 | -1.12 | 20 | -22.40 | |
| | Matyszkiewicz, Wiktor | | | 1794 | POL | 0.00 | 1 | -0.56 | 20 | -11.20 | | | Prus, Marek | | | 1705 | POL | 1.00 | 1 | 0.32 | 20 | 6.40 | | | Mlynarski, Zbigniew | | | 1568 | POL | 0.00 | 1 | -0.83 | 20 | -16.60 | | | Sloniewska, Alicja | | | 1664 | POL | 0.50 | 1 | -0.23 | 20 | -4.60 | | | Mazurek, Jerzy | | | 1704 | POL | 0.50 | 1 | -0.18 | 20 | -3.60 | | | Safanowski, Tomasz | | | 1832 | POL | 0.50 | 1 | -0.01 | 20 | -0.20 | | | Basiaga, Sebastian | | | 1716 | POL | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Haliniak, Wojciech | | | 1779 | POL | 1.00 | 1 | 0.42 | 20 | 8.40 | | | Jaroszuk, Marcin | | | 1500 | POL | 0.50 | 1 | -0.38 | 20 | -7.60 | |
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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