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Individual Calculations September 2013 |
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| Perrett, David C Total change: -6.60 | |   |
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| RTU open B | Riga | LAT | 2013-08-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1856 | 1977 | 5.50 | 9 | -0.44 | 15 | -6.60 | |
|  Eriksen, Dag | | | 1740 | NOR | 1.00 | 1 | 0.20 | 15 | 3.00 | |  Alekseev, Yaroslav | | | 1828 | RUS | 0.50 | 1 | -0.20 | 15 | -3.00 | | | Machevskis, Edmunds | | | 1805 | LAT | 0.50 | 1 | -0.23 | 15 | -3.45 | | | Gough, Rod | | | 1833 | WLS | 0.50 | 1 | -0.19 | 15 | -2.85 | | | Skafar, Darya | | | 1816 | RUS | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Stabulnieks, Klavs | | | 1871 | LAT | 0.50 | 1 | -0.14 | 15 | -2.10 | | | Ostby, Martin Bergsjo | | | 1900 | NOR | 1.00 | 1 | 0.39 | 15 | 5.85 | | | Suhanovskis, Sergejs | | | 2096 | LAT | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Frijling, Jeroen | | | 1813 | NED | 0.50 | 1 | -0.22 | 15 | -3.30 | |
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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