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Individual Calculations July 2009 |
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| Dadello, Aleksandra Total change: -9.30 | |   |
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| Lower Silesian's Leagues | Dolny Slask | POL | 2008-10-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1633 | 1709 | 1.00 | 2 | -0.21 | 15 | -3.15 | |
|  Kwasnicki, Andrzej | | | 1683 | POL | 0.00 | 1 | -0.54 | 15 | -8.10 | | | Dzikowski, Michal | | | 1583 | POL | 1.00 | 1 | 0.33 | 15 | 4.95 | |
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) | | | | POL Girls Championship U-12 | Leba | POL | 2009-03-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1627 | 1776 | 1.50 | 4 | -1.25 | 15 | -18.75 | |
|  Murawko, Katarzyna | | | 1671 | POL | 0.00 | 1 | -0.64 | 15 | -9.60 | | | Pastuszko, Kinga | | | 1763 | POL | 0.00 | 1 | -0.52 | 15 | -7.80 | | | Gora, Antonina | | | 1583 | POL | 0.50 | 1 | -0.25 | 15 | -3.75 | | | Lascar, Radoslawa | | | 1489 | POL | 1.00 | 1 | 0.16 | 15 | 2.40 | |
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) | | | | 5th World School Chess Champioship - Girls U11 | Thessaloniki | GRE | 2009-04-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2020 | 1740 | 1.00 | 1 | 0.84 | 15 | 12.60 | |
| | Valieva, Rufina | | | 2020 | RUS | 1.00 | 1 | 0.84 | 15 | 12.60 | |
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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