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Rapid:
Individual Calculations April 2013 |
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| Potapova, Margarita Total change: 4.80 | |   |
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| Ukraine Girls Under 14 Chess Championship (rapid) 2013 | Kramatorsk | UKR | 2013-03-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1751 | 1712 | 2.50 | 5 | 0.24 | 20 | 4.80 | |
|  Illina, Natalia | | | 1970 | UKR | 0.50 | 1 | 0.32 | 20 | 6.40 | | | Martynkova, Olena | | | 1783 | UKR | 0.50 | 1 | 0.10 | 20 | 2.00 | |  Aleksandrova, Tetyana | | | 1750 | UKR | 0.50 | 1 | 0.05 | 20 | 1.00 | | | Ischenko, Iryna | | | 1615 | UKR | 0.50 | 1 | -0.13 | 20 | -2.60 | | | Odnoroga, Svetlana | | | 1639 | UKR | 0.50 | 1 | -0.10 | 20 | -2.00 | |
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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