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Individual Calculations November 2009 |
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| Petras, Marian Total change: -11.70 | |   |
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| European Youth Ch under 14 Open | Fermo | ITA | 2009-08-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1993 | 1797 | 0.00 | 3 | -0.78 | 15 | -11.70 | |
|  Lukovic, Vladimir | | | 2115 | SRB | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Siclovan, Cristian-Daniel | | | 1985 | ROU | 0.00 | 1 | -0.26 | 15 | -3.90 | |  Tirelli, Mauro | | | 1878 | ITA | 0.00 | 1 | -0.39 | 15 | -5.85 | |
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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