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Individual Calculations October 2022 |
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| Ahoon, Armia Total change: -4.80 | |   |
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| Tehran Chess Championship U12 - 1401 Boys | Tehran | IRI | 2022-09-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1279 | 1209 | 1.50 | 4 | -0.12 | 40 | -4.80 | |
|  Abed Masrorkhah, Artin | | | 1382 | IRI | 0.00 | 1 | -0.27 | 40 | -10.80 | |  Hosseini, Seyed Arad | | | 1215 | IRI | 0.50 | 1 | 0.01 | 40 | 0.40 | | | Sheikhzadeh, Bardia | | | 1177 | IRI | 1.00 | 1 | 0.46 | 40 | 18.40 | | | Toliat, Seyed Omid | | | 1343 | IRI | 0.00 | 1 | -0.32 | 40 | -12.80 | |
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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