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Individual Calculations February 2013 |
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| Czajka, Iwo Total change: -17.25 | |   |
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| IV Memorial im. Ziemowita Zgierskiego - Obra Zima Open 2013 | Obra | POL | 2013-01-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1645 | 1503 | 1.50 | 8 | -1.15 | 15 | -17.25 | |
|  Kaluzny, Tomasz | | | 1782 | POL | 0.00 | 1 | -0.16 | 15 | -2.40 | |  Madrawski, Krzysztof | | | 1678 | POL | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Zielewicz, Piotr | | | 1725 | POL | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Ostrowski, Dariusz | | | 1871 | POL | 0.00 | 1 | -0.10 | 15 | -1.50 | | | Chromicz, Andrzej | | | 1445 | POL | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Glapa, Witold | | | 1762 | POL | 0.50 | 1 | 0.32 | 15 | 4.80 | | | Tomys, Wiktoria | | | 1320 | POL | 0.00 | 1 | -0.74 | 15 | -11.10 | | | Frej, Zofia | | | 1577 | POL | 0.00 | 1 | -0.40 | 15 | -6.00 | |
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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