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Individual Calculations January 2010 |
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| Grujicic, Zoran Total change: -7.20 | |   |
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| Central Serbia Championship 2009 | Vrnjacka Banja | SRB | 2009-11-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2264 | 2060 | 0.00 | 3 | -0.72 | 15 | -10.80 | |
|  Chelushkina, Irina | | wg | 2340 | SRB | 0.00 | 1 | -0.16 | 15 | -2.40 | |  Pantic, Ivica | | | 2252 | SRB | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Boskovic, Zlatomir | | | 2199 | SRB | 0.00 | 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) | | | | XXII Belgrade Trophy 2009 | Belgrade, Obrenovac | SRB | 2009-11-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2084 | 2060 | 4.50 | 9 | 0.24 | 15 | 3.60 | |
| | Bozic, Milan | m | | 2457 | SRB | 0.50 | 1 | 0.42 | 15 | 6.30 | | | Sorgic, Dragan | f | | 2324 | SRB | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Sekulovic, Dusica | | | 1784 | SRB | 0.50 | 1 | -0.33 | 15 | -4.95 | | | Arsic, Djordje | | | 1779 | SRB | 0.00 | 1 | -0.84 | 15 | -12.60 | | | Momirovic, Milan | | | 1757 | SRB | 1.00 | 1 | 0.14 | 15 | 2.10 | | | Jovic, Branko | | | 1921 | SRB | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Nikolic, Dragoljub | | | 2289 | SRB | 0.50 | 1 | 0.29 | 15 | 4.35 | | | Vujacic, Igor | | | 2228 | MNE | 0.50 | 1 | 0.22 | 15 | 3.30 | | | Djurasinov, Branislav | | | 2216 | SRB | 0.50 | 1 | 0.21 | 15 | 3.15 | |
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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