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Individual Calculations February 2018 |
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| Szafranski, Piotr Total change: 14.80 | |   |
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| III Wielkopolska Liga Seniorów Round 4-7 | Wielkopolska | POL | 2018-01-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1788 | 1491 | 1.00 | 2 | 0.70 | 40 | 28.00 | |
|  Moryson, Adrian | | | 1824 | POL | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Lisiecki, Robert | | | 1751 | POL | 1.00 | 1 | 0.82 | 40 | 32.80 | |
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) | | | | III Wielkopolska Liga Juniorow 2018 Round 1-4 | Gniezno | POL | 2018-01-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1645 | 1491 | 1.00 | 4 | -0.33 | 40 | -13.20 | |
|  Butyrowski, Marcel | | | 1782 | POL | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Niemier, Hubert | | | 1891 * | POL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Dembinski, Bartosz | | | 1387 | POL | 1.00 | 1 | 0.36 | 40 | 14.40 | | | Walkowski, Jonasz | | | 1518 | POL | 0.00 | 1 | -0.46 | 40 | -18.40 | | | * 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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