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Individual Calculations January 2009 |
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| Lapidus, Mark Total change: 20.25 | |   |
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| European Youth Chess Championship 2008 - Boys U14 | Herceg Novi | MNE | 2008-09-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2084 | 1877 | 3.50 | 9 | 1.35 | 15 | 20.25 | |
|  Straka, Josef Jr | | | 2122 | SVK | 0.00 | 1 | -0.20 | 15 | -3.00 | |  Vasilov, Artur | | | 2187 | RUS | 1.00 | 1 | 0.86 | 15 | 12.90 | | | Lortkipanidze, Nodar | | | 2072 | GEO | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Savoisky, Danny | | | 2085 | ISR | 1.00 | 1 | 0.77 | 15 | 11.55 | | | Lukovic, Vladimir | | | 1999 | SRB | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Hobber, Anders | | | 2012 | NOR | 0.50 | 1 | 0.18 | 15 | 2.70 | | | Tallo Dominguez, Imar | | | 2130 | ESP | 0.50 | 1 | 0.31 | 15 | 4.65 | | | Talipov, Nafis | | | 2029 | RUS | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Tkachev, Grigory | | | 2124 | RUS | 0.50 | 1 | 0.31 | 15 | 4.65 | |
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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