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Individual Calculations February 2018 |
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| Obolewicz, Piotr Total change: -25.40 | |   |
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| XX Ketrzynski Festiwal Szachowy - OPEN "A" | Ketrzyn | POL | 2017-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1439 | 1298 | 1.50 | 8 | -1.27 | 20 | -25.40 | |
|  Jedynak, January | | | 1698 * | POL | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Czarnomski, Dominik | | | 1557 | POL | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Krasniewski, Piotr | | | 1197 | POL | 0.00 | 1 | -0.64 | 20 | -12.80 | | | Bohdanowicz, Nikola | | | 1231 | POL | 1.00 | 1 | 0.41 | 20 | 8.20 | | | Sandomierski, Cyprian | | | 1272 | POL | 0.00 | 1 | -0.54 | 20 | -10.80 | | | Proboszcz, Maciej | | | 1615 | POL | 0.50 | 1 | 0.37 | 20 | 7.40 | | | Zemajko, Lukasz | | | 1623 | POL | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Matuszewicz, Ryszard | | | 1315 | POL | 0.00 | 1 | -0.48 | 20 | -9.60 | | | * 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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