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Individual Calculations February 2013 |
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| Piwnicki, Antoni Total change: -54.30 | |   |
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| XV Ketrzynski Festiwal Szachowy-OPEN A | Ketrzyn | POL | 2012-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1352 | 1623 | 1.50 | 4 | -1.81 | 30 | -54.30 | |
|  Daliga, Anita | | | 1368 | POL | 0.50 | 1 | -0.31 | 30 | -9.30 | |  Wojtunik, Maciej | | | 1406 | POL | 0.00 | 1 | -0.78 | 30 | -23.40 | | | Hrymowicz, Artur | | | 1293 | POL | 0.50 | 1 | -0.38 | 30 | -11.40 | | | Fieducik, Marcin | | | 1339 | POL | 0.50 | 1 | -0.34 | 30 | -10.20 | |
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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