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Individual Calculations August 2023 |
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| Zarneshan, Arash Total change: -22.80 | |   |
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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 |
| 1409 | 1128 | 0.00 | 4 | -0.67 | 40 | -26.80 | |
|  Kord Zanganeh, Kian | | | 1363 | IRI | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Kolivand, Mohammad Ali | | | 1442 | IRI | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Salehi, Mahan | | | 1454 | IRI | 0.00 | 1 | -0.13 | 40 | -5.20 | |  Kimiaei, Amir Mohammad | | | 1377 | IRI | 0.00 | 1 | -0.19 | 40 | -7.60 | |
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-10 Boys Championship 1402 | Tehran | IRI | 2023-07-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1300 | 1128 | 1.00 | 3 | 0.10 | 40 | 4.00 | |
| | Abdolzadeh, Baktash | | | 1482 | IRI | 0.50 | 1 | 0.39 | 40 | 15.60 | | | Roshantab, Sadra | | | 1288 | IRI | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Arab Nasrabadi, Ali | | | 1131 | IRI | 0.50 | 1 | 0.00 | 40 | 0.00 | |
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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