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Individual Calculations September 2022 |
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| Mehrkhah, Hadi Total change: -5.60 | |   |
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| 10th Qazvin Cup Group B (U 1800) | Qazvin | IRI | 2022-07-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1519 | 1234 | 1.00 | 6 | 0.00 | 40 | 0.00 | |
|  Bolouri, Arad | | | 1451 | IRI | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Mahdizadeh, Sadra | | | 1610 | IRI | 0.00 | 1 | -0.09 | 40 | -3.60 | |  Yazdani, Ava | | | 1536 | IRI | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Safarian, Fatemeh | | | 1439 | IRI | 1.00 | 1 | 0.76 | 40 | 30.40 | | | Bayat, Nikan | | | 1453 | IRI | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Mohamadi, Niyousha | | | 1626 | IRI | 0.00 | 1 | -0.08 | 40 | -3.20 | |
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) | | | | 5th Iranian Amateures Chess Championship 2022 | Zanjan | IRI | 2022-08-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1491 | 1314 | 2.00 | 6 | -0.14 | 40 | -5.60 | |
| | Karimi, Mohammad | | | 1986 | IRI | 0.00 | 1 | -0.01 | 40 | -0.40 | | | Panahi, Aiyub | | | 1543 | IRI | 1.00 | 1 | 0.79 | 40 | 31.60 | | | Riahi, Arvin | | | 1783 | IRI | 0.00 | 1 | -0.05 | 40 | -2.00 | | | Nazari Nia, Shahram | | | 1501 | IRI | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Jarideh, Mohammad Sam | | | 1084 | IRI | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Arablou, Bahar | | | 1048 | IRI | 0.00 | 1 | -0.82 | 40 | -32.80 | |
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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