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Individual Calculations November 2015 |
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| Petrosyan, Sahak Total change: 82.00 | |   |
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| 25th European Youth Chess Championship 2015 U12 - Open | Porec | CRO | 2015-09-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1971 | 1704 | 3.50 | 8 | 2.05 | 40 | 82.00 | |
|  Tomasi, Albert | | | 2103 | FRA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Koellner, Ruben Gideon | | | 1911 | GER | 1.00 | 1 | 0.77 | 40 | 30.80 | |  Mitev, Valentin | | | 2013 | BUL | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Robertsen, Bjorn | | | 1890 | NOR | 1.00 | 1 | 0.74 | 40 | 29.60 | | | Svanda, Ondrej | | | 1981 | CZE | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Bettalli, Francesco | | | 1998 | ITA | 1.00 | 1 | 0.85 | 40 | 34.00 | | | Avalyan, Artur | | | 1914 | RUS | 0.50 | 1 | 0.27 | 40 | 10.80 | | | Hilwerda, Jonas | | | 1954 | NED | 0.00 | 1 | -0.19 | 40 | -7.60 | |
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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