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Individual Calculations November 2011 |
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| Hidayat, Arifin Total change: -17.70 | |   |
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| Indonesia Open Chess Championship 2011 | Jakarta | INA | 2011-10-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2293 | 2159 | 2.00 | 8 | -0.59 | 30 | -17.70 | |
|  Sitanggang, Salor | m | | 2376 | INA | 0.00 | 1 | -0.22 | 30 | -6.60 | |  Gunawan, Johan | f | | 2308 | INA | 1.00 | 1 | 0.70 | 30 | 21.00 | | | Dimakiling, Oliver | m | | 2413 | PHI | 0.00 | 1 | -0.19 | 30 | -5.70 | | | Firdaus, Maksum | f | | 2257 | INA | 0.00 | 1 | -0.37 | 30 | -11.10 | | | Tedy, Sukirman | f | | 2239 | INA | 0.00 | 1 | -0.39 | 30 | -11.70 | | | Pamungkas, Junaid | | | 2240 | INA | 1.00 | 1 | 0.61 | 30 | 18.30 | | | Situru, Muhammad Ivan | m | | 2314 | INA | 0.00 | 1 | -0.29 | 30 | -8.70 | | | Panggabean, Hasian | | | 2199 | INA | 0.00 | 1 | -0.44 | 30 | -13.20 | |
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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