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Rapid:
Individual Calculations January 2018 |
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| Grzelak, Piotr Total change: 24.60 | |   |
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| European Rapid Chess Championship'2017 | Katowice | POL | 2017-12-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1665 | 1468 | 4.50 | 11 | 1.23 | 20 | 24.60 | |
|  Kastelic, Marian | f | | 1868 * | SLO | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Bartosik, Antoni | | | 1073 | POL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Mirski, Michal | | | 1868 * | POL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Brelinska, Marcelina | | | 1068 * | POL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Pichurko, Jakub | | | 1868 * | POL | 0.50 | 1 | 0.42 | 20 | 8.40 | | | Dwilewicz, Katarzyna | | wf | 1855 | POL | 0.00 | 1 | -0.09 | 20 | -1.80 | | | Paczkowski, Adam | | | 1868 * | POL | 1.00 | 1 | 0.92 | 20 | 18.40 | | | Parol, Pola | | | 1863 | POL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Kalmuk, Krzysztof | | | 1868 * | POL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Gonsior, Zbigniew | | | 1246 | POL | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Spicak, Krzysztof | | | 1868 * | POL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | * 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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