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Individual Calculations February 2023 |
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| Niedzwiecki, Marek Total change: -7.60 | |   |
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| VI Turniej Sylwestrowy - grupa A | Grodzisk Mazowiecki | POL | 2022-12-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1304 | 1464 | 3.00 | 5 | -0.50 | 20 | -10.00 | |
|  Serafin, Franciszek | | | 1204 | POL | 0.00 | 1 | -0.82 | 20 | -16.40 | |  Rajlich, Vaclav | | | 1478 | POL | 1.00 | 1 | 0.52 | 20 | 10.40 | | | Kossakowski, Adrian | | | 1380 | POL | 0.50 | 1 | -0.12 | 20 | -2.40 | | | Marcinkowski, Adam | | | 1261 | POL | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Fifielski, Marcin | | | 1199 | POL | 0.50 | 1 | -0.32 | 20 | -6.40 | |
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) | | | | Ursynowski Festiwal Szachowy - Grupa A 2023 | Warszawa | POL | 2023-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1373 | 1455 | 2.50 | 5 | -0.57 | 20 | -11.40 | |
| | Kogut, Aleksander | | | 1086 | POL | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Kaminski, Jan | | | 1887 | POL | 0.00 | 1 | -0.07 | 20 | -1.40 | | | Fraszczyk, Hubert | | | 1304 | POL | 0.50 | 1 | -0.20 | 20 | -4.00 | | | Ejsymont, Eryk | | | 1390 | POL | 0.00 | 1 | -0.59 | 20 | -11.80 | | | Walewski, Szymon | | | 1200 | POL | 1.00 | 1 | 0.19 | 20 | 3.80 | |
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) | | | | V Turniej Zimowy - grupa A | Grodzisk Mazowiecki | POL | 2023-01-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1406 | 1455 | 3.50 | 5 | 0.69 | 20 | 13.80 | |
| | Maciaszek, Stanislaw | | | 1102 | POL | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Kisiel, Dominik | | | 1286 | POL | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Ladon, Tymoteusz | | | 1333 | POL | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Rajlich, Vaclav | | | 1517 | POL | 0.50 | 1 | 0.09 | 20 | 1.80 | | | Grabowski, Marek | | | 1790 | POL | 0.00 | 1 | -0.12 | 20 | -2.40 | |
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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