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Individual Calculations August 2023 |
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| Abdollahi, Tanaz Total change: 28.40 | |   |
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| 6th Iranian Amateures Chess Championship 2023 (Under 1700) | Zanjan | IRI | 2023-06-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1417 | 1170 | 2.00 | 6 | 0.80 | 40 | 32.00 | |
|  Nosrati, Saeedreza | | | 1390 | IRI | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Javanshir, Omid | | | 1509 | IRI | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Hosseinzadeh, Salar | | | 1466 | IRI | 0.50 | 1 | 0.35 | 40 | 14.00 | |  Omidvar Seyghalani, Mohammad | | | 1423 | IRI | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Abbasi, Mohammad Benyamin | | | 1358 | IRI | 1.00 | 1 | 0.74 | 40 | 29.60 | | | Firoozi, Farbod | | | 1354 | IRI | 0.50 | 1 | 0.24 | 40 | 9.60 | |
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) | | | | Tehran U- 14 Girls Championship 1402 | Tehran | IRI | 2023-07-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1346 | 1170 | 0.50 | 2 | -0.09 | 40 | -3.60 | |
| | Sodachi, Saba | | | 1495 | IRI | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Divani, Anisa | | | 1196 | IRI | 0.50 | 1 | 0.04 | 40 | 1.60 | |
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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