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Individual Calculations February 2018 |
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| Butyrowski, Marcel Total change: 5.60 | |   |
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| IV WIELKOPOLSKA LIGA SENIOROW GRUPA B-2017-2018 Round 4-7 | Poznan | POL | 2018-01-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1630 | 1782 | 1.50 | 2 | 0.21 | 40 | 8.40 | |
|  Byra, Aron | | | 1382 * | POL | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Leskiewicz, Ignacy | | | 1878 | POL | 0.50 | 1 | 0.13 | 40 | 5.20 | | | * 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) | | | | III Wielkopolska Liga Juniorow 2018 Round 1-4 | Gniezno | POL | 2018-01-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1659 | 1782 | 2.50 | 4 | -0.07 | 40 | -2.80 | |
| | Szafranski, Piotr | | | 1491 | POL | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Jedras, Adrianna | | | 1382 * | POL | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Kus, Aleksander | | | 2096 | POL | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Poltorak, Sebastian | | | 1668 | POL | 0.50 | 1 | -0.16 | 40 | -6.40 | | | * 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) | | |
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