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Individual Calculations February 2023 |
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| Kwiek, Janusz Total change: -13.60 | |   |
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| XIII Otwarte Mistrzostwa Garnizonu Warszawa w szachach klasycznych 2023 Round 1-3 | Warszawa | POL | 2023-01-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1445 | 1382 | 2.00 | 3 | 0.75 | 20 | 15.00 | |
|  Dluski, Wiktor | | | 1079 | POL | 1.00 | 1 | 0.14 | 20 | 2.80 | |  Ceglowski, Ryszard | | | 1645 | POL | 1.00 | 1 | 0.82 | 20 | 16.40 | | | Zbrzeski, Piotr | | | 1612 | POL | 0.00 | 1 | -0.21 | 20 | -4.20 | |
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) | | | | 269th YMCA Winter 2023-C Round 1-3 | Warszawa | POL | 2023-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1354 | 1382 | 0.50 | 3 | -1.11 | 20 | -22.20 | |
| | Leszczewicz, Karol | | | 1456 | POL | 0.00 | 1 | -0.40 | 20 | -8.00 | | | Borys, Marek | | | 1357 | POL | 0.00 | 1 | -0.53 | 20 | -10.60 | | | Kita, Jaroslaw | | | 1250 | POL | 0.50 | 1 | -0.18 | 20 | -3.60 | |
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) | | | | Ursynowski Festiwal Szachowy - Grupa A 2023 | Warszawa | POL | 2023-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1527 | 1382 | 2.00 | 5 | -0.32 | 20 | -6.40 | |
| | Chomczyk, Marek | | | 2354 | POL | 0.00 | 1 | 0.00 | 20 | 0.00 | | | Krawiec, Pawel | | | 1212 | POL | 0.50 | 1 | -0.22 | 20 | -4.40 | | | Walewska, Natalia | | | 1261 | POL | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Jankowski, Franciszek | | | 1504 | POL | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Fraszczyk, Hubert | | | 1304 | POL | 0.50 | 1 | -0.11 | 20 | -2.20 | |
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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