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Individual Calculations September 2011 |
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| Ostrowski, Michal Total change: -17.70 | |   |
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| Miedzynarodowy Festiwal Szachowy - Mieleñska Perla - Open B | Lazy | POL | 2011-06-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1783 | 1448 | 0.00 | 3 | -0.40 | 15 | -6.00 | |
|  Lewandowski, Marek | | | 1848 * | POL | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Korcz, Daniel | | | 1848 * | POL | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Prokopski, Tadeusz | | | 1653 | POL | 0.00 | 1 | -0.24 | 15 | -3.60 | | | * 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) | | | | Miguel Najdorf International Chess Festival - Open B | Warsaw | POL | 2011-07-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1718 | 1421 | 0.00 | 5 | -0.78 | 15 | -11.70 | |
|  Borowicz, Miroslaw | | | 1776 | POL | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Wolochowicz, Piotr | | | 1821 * | POL | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Lewtak, Dominik | | | 1693 | POL | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Kalhorn, Marcin | | | 1635 | POL | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Kovalchuk, Vasyl | | | 1667 | UKR | 0.00 | 1 | -0.19 | 15 | -2.85 | | | * 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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