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Individual Calculations August 2021 |
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| Kowalczyk, Jakub Total change: 47.20 | |   |
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| III Puchar Prezesa LZSzach | Spala | POL | 2021-06-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1213 | 1114 | 2.00 | 5 | 0.17 | 40 | 6.80 | |
|  Stepinski, Piotr | | | 1319 | POL | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Durzynski, Jan | | | 1221 | POL | 0.50 | 1 | 0.15 | 40 | 6.00 | |  Stepien, Piotr | | | 1097 | POL | 0.00 | 1 | -0.52 | 40 | -20.80 | | | Boryna, Szymon | | | 1200 | POL | 1.00 | 1 | 0.62 | 40 | 24.80 | | | Mitrega, Wiktoria | | | 1230 | POL | 0.50 | 1 | 0.16 | 40 | 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) | | | | Ogolnopolska Olimpiada Mlodziezy 2021 - Chlopcy do lat 12 | Uniejow | POL | 2021-07-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1298 | 1115 | 3.50 | 9 | 1.01 | 40 | 40.40 | |
| | Kraczek, Cezary | | | 1420 | POL | 0.50 | 1 | 0.36 | 40 | 14.40 | | | Grobelny, Mikolaj | | | 1505 | POL | 0.50 | 1 | 0.41 | 40 | 16.40 | | | Janicki, Tomasz | | | 1407 | POL | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Tim, Wojciech | | | 1230 | POL | 0.00 | 1 | -0.34 | 40 | -13.60 | | | Nocek, Dominik | | | 1314 | POL | 0.50 | 1 | 0.26 | 40 | 10.40 | | | Durzynski, Jan | | | 1221 | POL | 0.00 | 1 | -0.36 | 40 | -14.40 | | | Andrzejewski, Jakub | | | 1177 | POL | 1.00 | 1 | 0.59 | 40 | 23.60 | | | Kozak, Karol | | | 1211 | POL | 0.00 | 1 | -0.37 | 40 | -14.80 | | | Zielen, Stanislaw | | | 1196 | POL | 1.00 | 1 | 0.61 | 40 | 24.40 | |
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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