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Individual Calculations September 2022 |
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| Hoseini, S.alireza Total change: -40.60 | |   |
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| 5th Iranian Amateures Chess Championship 2022 | Zanjan | IRI | 2022-08-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1470 | 1836 | 5.50 | 9 | -2.12 | 20 | -42.40 | |
|  Modheji, Parham | | | 1436 * | IRI | 0.50 | 1 | -0.42 | 20 | -8.40 | |  Noroozian, Mahtab | | | 1274 | IRI | 1.00 | 1 | 0.02 | 20 | 0.40 | | | Yousefli, Amirhossein | | | 1371 | IRI | 1.00 | 1 | 0.05 | 20 | 1.00 | | | Farrokhi, Masoud | | | 1990 | IRI | 0.50 | 1 | 0.21 | 20 | 4.20 | | | Mokhtarzadeh, M.reza | | | 1597 | IRI | 0.00 | 1 | -0.80 | 20 | -16.00 | | | Roshani, Soroush | | | 1424 | IRI | 0.00 | 1 | -0.93 | 20 | -18.60 | | | Khelghatdoust, Amirali | | | 1215 | IRI | 1.00 | 1 | 0.01 | 20 | 0.20 | | | Taghizadeh, Pouria | | | 1329 | IRI | 1.00 | 1 | 0.04 | 20 | 0.80 | | | Talebian Zadeh, Ilia | | | 1591 | IRI | 0.50 | 1 | -0.30 | 20 | -6.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | Gilan Super League 18th Round 19-20 | Gilan | IRI | 2022-08-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1903 | 1836 | 0.50 | 1 | 0.09 | 20 | 1.80 | |
| | Khadem Erfani, Sobhan | | | 1903 | IRI | 0.50 | 1 | 0.09 | 20 | 1.80 | |
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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