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Individual Calculations October 2022 |
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| Skrzypczak, Jan Total change: 41.60 | |   |
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| IV Wielkopolska Liga Seniorow grupa A 2022 Round 7-8 | Poznan | POL | 2022-09-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1648 | 1520 | 0.50 | 1 | 0.17 | 40 | 6.80 | |
|  Frackowiak, Andrzej | | | 1648 | POL | 0.50 | 1 | 0.17 | 40 | 6.80 | |
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) | | | | Grand Prix o Puchar Pieterka - turniej wrzesniowy (zgloszony do FIDE) | Poznan | POL | 2022-09-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1489 | 1520 | 3.50 | 5 | 0.87 | 40 | 34.80 | |
| | Szeszycki, Jan | | | 1155 | POL | 1.00 | 1 | 0.10 | 40 | 4.00 | |  Maciejewski, Iwo | | | 1120 * | POL | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Sobczak, Miroslaw | | | 1764 | POL | 0.50 | 1 | 0.30 | 40 | 12.00 | | | Stachowiak, Bruno | | | 1512 | POL | 0.50 | 1 | -0.01 | 40 | -0.40 | | | Simon, Marek | | | 1892 | POL | 0.50 | 1 | 0.40 | 40 | 16.00 | | | * 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) | | |
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