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Individual Calculations August 2023 |
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| Abdolahi, Amir Taha Total change: 45.25 | |   |
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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 |
| 1334 | 1459 | 6.50 | 9 | 0.60 | 25 | 15.00 | |
|  Azadi, Taha | | | 1262 | IRI | 0.50 | 1 | -0.25 | 25 | -6.25 | |  Reja, Abolfazl | | | 1295 | IRI | 0.00 | 1 | -0.72 | 25 | -18.00 | | | Taheri, Zaman | | | 1306 | IRI | 1.00 | 1 | 0.30 | 25 | 7.50 | | | Morshed Behbahani, Mahan | | | 1131 | IRI | 1.00 | 1 | 0.13 | 25 | 3.25 | | | Sheini Dashtgol, Arash | | | 1212 | IRI | 1.00 | 1 | 0.19 | 25 | 4.75 | | | Aghababaee, Asghar | | | 1578 | IRI | 0.00 | 1 | -0.34 | 25 | -8.50 | | | Sharifi, Sajad | | | 1210 | IRI | 1.00 | 1 | 0.19 | 25 | 4.75 | | | Molla Ghorbani, Bagher | | | 1698 | IRI | 1.00 | 1 | 0.80 | 25 | 20.00 | | | Shahmohammadi, Dorsa | | | 1312 | IRI | 1.00 | 1 | 0.30 | 25 | 7.50 | |
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) | | | | 10 Th Standard Lig shomal shargh | Tehran | IRI | 2023-07-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1171 | 1497 | 11.00 | 12 | 0.65 | 25 | 16.25 | |
| | Shirzadi, Amir Hossein | | | 1158 | IRI | 1.00 | 1 | 0.12 | 25 | 3.00 | | | Kazemi, Mantra | | | 1300 | IRI | 1.00 | 1 | 0.25 | 25 | 6.25 | | | Mohebi, Amir Ehsan | | | 1233 | IRI | 0.50 | 1 | -0.32 | 25 | -8.00 | | | Safari, Parham | | | 1071 | IRI | 1.00 | 1 | 0.07 | 25 | 1.75 | | | Aghaei, Arnika | | | 1265 | IRI | 1.00 | 1 | 0.21 | 25 | 5.25 | | | Ebrahimi, Fatemeh | | | 1081 | IRI | 1.00 | 1 | 0.07 | 25 | 1.75 | | | Shirzadi, Amir Hossein | | | 1158 | IRI | 1.00 | 1 | 0.12 | 25 | 3.00 | | | Kazemi, Mantra | | | 1300 | IRI | 1.00 | 1 | 0.25 | 25 | 6.25 | | | Mir Sakhvidi, Moaede Sadat | | | 1133 | IRI | 1.00 | 1 | 0.10 | 25 | 2.50 | | | Kazemi, Radin | | | 1108 | IRI | 0.50 | 1 | -0.41 | 25 | -10.25 | | | Jafari, Mahan | | | 1148 | IRI | 1.00 | 1 | 0.11 | 25 | 2.75 | | | Hashem Vand, Hananeh | | | 1097 * | IRI | 1.00 | 1 | 0.08 | 25 | 2.00 | | | * 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) | | | | Tehran U-14 Boys Championship 1402 | Tehran | IRI | 2023-07-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1375 | 1497 | 4.50 | 6 | 0.56 | 25 | 14.00 | |
| | Farahani, Shayan | | | 1187 | IRI | 1.00 | 1 | 0.14 | 25 | 3.50 | | | Rajabi, Mahan | | | 1321 | IRI | 1.00 | 1 | 0.27 | 25 | 6.75 | | | Barati Masihi, Kevin | | | 1374 | IRI | 0.50 | 1 | -0.17 | 25 | -4.25 | | | Kourechi, Ali | | | 1447 | IRI | 1.00 | 1 | 0.43 | 25 | 10.75 | | | Darvishi, Matin | | | 1471 | IRI | 1.00 | 1 | 0.46 | 25 | 11.50 | | | Kazemi, Hosein | | | 1447 | IRI | 0.00 | 1 | -0.57 | 25 | -14.25 | |
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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