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Individual Calculations January 2011 |
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| Lapidus, Mark Total change: 22.50 | |   |
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| World Youth Chess Championships 2010 - Open under 16 | Porto Carras, Chalkidiki - Greece | GRE | 2010-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2136 | 1976 | 4.50 | 10 | 1.50 | 15 | 22.50 | |
|  Donskov, Anatoly | | | 2280 | RUS | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Igambergenov, Alibek | | | 2195 | KAZ | 0.00 | 1 | -0.22 | 15 | -3.30 | |  Hosseinipour, Mehdi | f | | 2304 | IRI | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Pataki, Zemplen | | | 1828 | LUX | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Barros, Raul Junior | f | | 2075 | COL | 0.50 | 1 | 0.14 | 15 | 2.10 | | | Duenzel, Jonas | | | 2117 | GER | 1.00 | 1 | 0.69 | 15 | 10.35 | | | Emiroglu, Cankut | | | 2108 | TUR | 1.00 | 1 | 0.68 | 15 | 10.20 | | | Ostovic, Matija | | | 2218 | CRO | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Petrovski, Igor | | | 2152 | MKD | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Skouvaklis, Alexis | | | 2085 | SUI | 1.00 | 1 | 0.65 | 15 | 9.75 | |
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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