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Individual Calculations January 2018 |
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| Grubiak, Roman Total change: -2.80 | |   |
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| IV Dolnoslaska Liga Szachowa 2017/2018 r 4-5 | Dolny Slask | POL | 2017-12-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1550 | 1833 | 1.50 | 2 | -0.14 | 20 | -2.80 | |
|  Durlik, Michal | | | 1433 * | POL | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Urban, Marek | | | 1666 | POL | 0.50 | 1 | -0.22 | 20 | -4.40 | | | * 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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