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Individual Calculations February 2013 |
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| Grigoriev, Oleg Total change: -3.30 | |   |
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| St. Petersburg Champ. Boys U14 2012 | St. Petersburg | RUS | 2012-11-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1810 | 1751 | 1.50 | 4 | -0.22 | 15 | -3.30 | |
|  Grinblat, Artemiy | | | 2026 | RUS | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Sokolov, Ilia | | | 1756 | RUS | 0.50 | 1 | 0.01 | 15 | 0.15 | |  Martynov, Petr | | | 1651 | RUS | 0.50 | 1 | -0.14 | 15 | -2.10 | | | Vasiljev, Alexey | | | 1808 | RUS | 0.50 | 1 | 0.08 | 15 | 1.20 | |
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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