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Individual Calculations April 2021 |
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| Jaroszuk, Marcin Total change: 95.20 | |   |
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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 |
| 1502 | 1500 | 4.50 | 7 | 1.08 | 20 | 21.60 | |
|  Szopa, Andrzej | | | 1100 * | POL | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Leszczynski, Bartosz | | | 1839 | POL | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Wasilewski, Orhan | | | 1285 | POL | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Ceglowski, Ryszard | | | 1635 | POL | 1.00 | 1 | 0.68 | 20 | 13.60 | | | Basiaga, Sebastian | | | 1716 | POL | 0.50 | 1 | 0.28 | 20 | 5.60 | | | Leszczynski, Kamil | | | 1634 | POL | 0.50 | 1 | 0.18 | 20 | 3.60 | | | Budrewicz, Henryk | | | 1308 | POL | 0.50 | 1 | -0.25 | 20 | -5.00 | | | * 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 |
| 1737 | 1500 | 4.50 | 8 | 2.80 | 20 | 56.00 | |
| | Mlynarski, Zbigniew | | | 1568 | POL | 1.00 | 1 | 0.59 | 20 | 11.80 | | | Sloniewska, Alicja | | | 1664 | POL | 0.00 | 1 | -0.28 | 20 | -5.60 | | | Mazurek, Jerzy | | | 1704 | POL | 1.00 | 1 | 0.76 | 20 | 15.20 | | | Safanowski, Tomasz | | | 1832 | POL | 0.50 | 1 | 0.38 | 20 | 7.60 | | | Basiaga, Sebastian | | | 1716 | POL | 1.00 | 1 | 0.78 | 20 | 15.60 | | | Haliniak, Wojciech | | | 1779 | POL | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Matyszkiewicz, Wiktor | | | 1794 | POL | 0.50 | 1 | 0.35 | 20 | 7.00 | | | Leszczynski, Bartosz | | | 1839 | 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) | | | | Otwarta Liga Mazowiecka 2021 Round 7-10 | mazowieckie | POL | 2021-03-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1781 | 1449 | 1.00 | 1 | 0.88 | 20 | 17.60 | |
| | Bartoszek, Michal | | | 1781 | POL | 1.00 | 1 | 0.88 | 20 | 17.60 | |
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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