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Individual Calculations January 2011 |
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| Petrova, Irina Total change: -7.05 | |   |
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| World Youth Chess Championships 2010 - Girls under 18 | Porto Carras, Chalkidiki - Greece | GRE | 2010-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2046 | 2042 | 4.50 | 10 | -0.47 | 15 | -7.05 | |
|  Warakomska, Anna | | wf | 2188 | POL | 0.50 | 1 | 0.20 | 15 | 3.00 | |  Pavlidou, Ekaterini | | wm | 2191 | GRE | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Havlikova, Kristyna | | wm | 2318 | CZE | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Anu, Bayar | | | 1933 | MGL | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Eric, Jovana | | wm | 2218 | SRB | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Gunther, Marcella | | | 1895 | NED | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Shangarayeva, Daiana | | | 1994 | KAZ | 0.00 | 1 | -0.57 | 15 | -8.55 | | | Coada, Elena | | | 1761 | MDA | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Ivekovic, Ana | | | 1954 | CRO | 0.50 | 1 | -0.12 | 15 | -1.80 | | | Kantor, Reka | | | 2003 | SVK | 0.50 | 1 | -0.05 | 15 | -0.75 | |
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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