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Individual Calculations April 2021 |
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| Basiaga, Sebastian Total change: 9.60 | |   |
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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 |
| 1560 | 1716 | 4.50 | 6 | 0.46 | 20 | 9.20 | |
|  Kozak, Jan | | | 1316 * | POL | 0.50 | 1 | -0.42 | 20 | -8.40 | |  Holdakowski, Filip | | | 1316 * | POL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Dropia, Rafal | | | 1517 | POL | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Jaroszuk, Marcin | | | 1500 | POL | 0.50 | 1 | -0.28 | 20 | -5.60 | | | Borowicz, Przemyslaw | | | 1972 | POL | 0.50 | 1 | 0.31 | 20 | 6.20 | | | Juszkowski, Kamil | | | 1737 | POL | 1.00 | 1 | 0.53 | 20 | 10.60 | | | * 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) | | | | 237th YMCA Winter 2021-B | Warszawa | POL | 2021-01-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1716 | 1716 | 4.00 | 8 | 0.02 | 20 | 0.40 | |
| | Safanowski, Tomasz | | | 1832 | POL | 0.50 | 1 | 0.16 | 20 | 3.20 | | | Haliniak, Wojciech | | | 1779 | POL | 0.00 | 1 | -0.41 | 20 | -8.20 | | | Tober, Mariusz | | | 1611 | POL | 1.00 | 1 | 0.36 | 20 | 7.20 | | | Jaroszuk, Marcin | | | 1500 | POL | 0.00 | 1 | -0.78 | 20 | -15.60 | | | Matyszkiewicz, Wiktor | | | 1794 | POL | 1.00 | 1 | 0.61 | 20 | 12.20 | | | Prus, Marek | | | 1705 | POL | 1.00 | 1 | 0.48 | 20 | 9.60 | | | Leszczynski, Bartosz | | | 1839 | POL | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Sloniewska, Alicja | | | 1664 | POL | 0.50 | 1 | -0.07 | 20 | -1.40 | |
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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