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Individual Calculations March 2023 |
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| Kozera, Konrad Total change: -40.40 | |   |
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| 268th YMCA Winter 2023-D Round 4 | Warszawa | POL | 2023-01-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1105 | 1211 | 1.00 | 1 | 0.36 | 20 | 7.20 | |
|  Jaworowski, Andre | | | 1105 | USA | 1.00 | 1 | 0.36 | 20 | 7.20 | |
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 2023 Round 5-6 | woj. mazowieckie | POL | 2023-02-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1359 | 1253 | 0.00 | 2 | -0.74 | 20 | -14.80 | |
| | Czerwinski, Bartlomiej | | | 1502 | POL | 0.00 | 1 | -0.19 | 20 | -3.80 | |  Seliga, Mariusz | | | 1215 | 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) | | | | XIII Otwarte Mistrzostwa Garnizonu Warszawa w szachach klasycznych 2023 Round 5-7 | Warszawa | POL | 2023-02-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1260 | 1253 | 0.00 | 1 | -0.49 | 20 | -9.80 | |
| | Czarkowska, Dalia | | | 1260 | POL | 0.00 | 1 | -0.49 | 20 | -9.80 | |
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) | | | | 268th YMCA Winter 2023-D Round 5-7 | Warszawa | POL | 2023-02-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1198 | 1253 | 0.00 | 2 | -1.15 | 20 | -23.00 | |
| | Brzostek, Piotr | | | 1186 | POL | 0.00 | 1 | -0.59 | 20 | -11.80 | | | Redlicki, Michal | | | 1210 | POL | 0.00 | 1 | -0.56 | 20 | -11.20 | |
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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