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Individual Calculations August 2021 |
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| Kopaczewski, Zbigniew Total change: -22.80 | |   |
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| XVII MIEDZYNARODOWY FESTIWAL SZACHOWY PERLA BALTYKU - GRUPA B | Lazy | POL | 2021-06-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1202 | 1437 | 6.00 | 8 | -0.30 | 20 | -6.00 | |
|  Tim, Dariusz | | | 1050 | POL | 1.00 | 1 | 0.09 | 20 | 1.80 | |  Dziechciarewicz, Maciej | | | 1227 | POL | 0.50 | 1 | -0.27 | 20 | -5.40 | | | Korszanski, Stanislaw | | | 1169 | POL | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Tanski, Wiktor | | | 1148 | POL | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Tim, Wojciech | | | 1210 | POL | 0.50 | 1 | -0.29 | 20 | -5.80 | | | Zadkowski, Maciej | | | 1265 | POL | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Witczak, Borys | | | 1338 | POL | 0.00 | 1 | -0.64 | 20 | -12.80 | | | Szachniewicz, Weronika | | | 1211 | POL | 1.00 | 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) | | | | Najdorf Chess Festival 2021 gr. B | Warszawa | POL | 2021-07-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1171 | 1487 | 5.00 | 6 | -0.13 | 20 | -2.60 | |
| | Kaczorowski, Jan | | | 1087 * | POL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Sikorski, Jan | | | 1199 | POL | 0.00 | 1 | -0.84 | 20 | -16.80 | | | Wojciechowski, Pawel | | | 1087 * | POL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Zambrowski-Mazurek, Stefan | | | 1197 | POL | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Urych, Krzysztof | | | 1146 | POL | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Krogulski, Maksymilian | | | 1311 | POL | 1.00 | 1 | 0.27 | 20 | 5.40 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | Warsaw Chess Open - C | Warszawa | POL | 2021-07-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1284 | 1487 | 3.00 | 5 | -0.71 | 20 | -14.20 | |
| | Jochym, Slawomir | | | 1155 | POL | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Zalucka, Emilia | | | 1525 | POL | 0.00 | 1 | -0.45 | 20 | -9.00 | | | Berdyga, Mariusz | | | 1333 | POL | 0.00 | 1 | -0.71 | 20 | -14.20 | | | Lachut, Tomasz | | | 1220 | POL | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Zybrant, Sandra | | | 1189 | POL | 1.00 | 1 | 0.15 | 20 | 3.00 | |
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) | | |
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