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Individual Calculations April 2023 |
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| Kwiek, Janusz Total change: -14.80 | |   |
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| 269th YMCA Winter 2023-C Round 8-11 | Warszawa | POL | 2023-03-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1341 | 1320 | 1.00 | 4 | -0.88 | 20 | -17.60 | |
|  Matyszkiewicz, Radoslaw | | | 1331 | POL | 1.00 | 1 | 0.52 | 20 | 10.40 | |  Malicka, Magdalena | | | 1298 | POL | 0.00 | 1 | -0.53 | 20 | -10.60 | | | Krolak, Grzegorz | | | 1413 | POL | 0.00 | 1 | -0.37 | 20 | -7.40 | | | Baginski, Zbigniew | | | 1320 | POL | 0.00 | 1 | -0.50 | 20 | -10.00 | |
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) | | | | XIII Otwarte Mistrzostwa Garnizonu Warszawa w szachach klasycznych 2023 Round 9-11 | Warszawa | POL | 2023-03-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1374 | 1320 | 1.00 | 2 | 0.14 | 20 | 2.80 | |
| | Berent, Andrzej | | | 1268 | POL | 1.00 | 1 | 0.43 | 20 | 8.60 | | | Jarmolowski, Tadeusz | | | 1480 | POL | 0.00 | 1 | -0.29 | 20 | -5.80 | |
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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