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Individual Calculations August 2023 |
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| Habibifard, Parham Total change: 93.10 | |   |
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| 19th Gilan 1st League Round 6-8 | Gilan | IRI | 2023-06-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1287 | 1644 | 2.00 | 2 | 0.22 | 38 | 8.36 | |
|  Kazemi, Parham | | | 1336 | IRI | 1.00 | 1 | 0.14 | 38 | 5.32 | |  Jamalzadeh, Ebrahim | | | 1237 | IRI | 1.00 | 1 | 0.08 | 38 | 3.04 | |
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) | | | | 6th Iranian Amateures Chess Championship 2023 (Under 1700) | Zanjan | IRI | 2023-06-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1457 | 1644 | 7.50 | 9 | 0.91 | 38 | 34.58 | |
| | Ganji, Majid | | | 1406 | IRI | 0.50 | 1 | -0.30 | 38 | -11.40 | | | Kolivand, Mohammad Ali | | | 1442 | IRI | 1.00 | 1 | 0.24 | 38 | 9.12 | | | Golzari, Amirmohammad | | | 1506 | IRI | 0.00 | 1 | -0.69 | 38 | -26.22 | | | Selahi, Kian | | | 1244 * | IRI | 1.00 | 1 | 0.08 | 38 | 3.04 | | | Dehghan Khalili, Mohammad | | | 1399 | IRI | 1.00 | 1 | 0.20 | 38 | 7.60 | | | Shabaniyan, Faranak | | | 1484 | IRI | 1.00 | 1 | 0.29 | 38 | 11.02 | | | Ghadiri, Sina | | | 1560 | IRI | 1.00 | 1 | 0.38 | 38 | 14.44 | | | Sherafat , Mahdi | | | 1470 | IRI | 1.00 | 1 | 0.27 | 38 | 10.26 | | | Biabani, Hadi | | | 1602 | IRI | 1.00 | 1 | 0.44 | 38 | 16.72 | | | * 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) | | | | Iranian Juniors Chess Championship (Boys Section - 1402) | Iran | IRI | 2023-07-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1756 | 1644 | 4.00 | 7 | 1.32 | 38 | 50.16 | |
| | Ahmadi, Mohammad Taha | | | 1244 * | IRI | 0.50 | 1 | -0.42 | 38 | -15.96 | | | Ghayourifar, Ali | | | 1730 | IRI | 1.00 | 1 | 0.62 | 38 | 23.56 | | | Khanjani, Rastin | | | 1890 | IRI | 1.00 | 1 | 0.81 | 38 | 30.78 | | | Azadi, Amirmohammad | | | 2195 | IRI | 0.50 | 1 | 0.47 | 38 | 17.86 | | | Ahadian, Armin | | | 1755 | IRI | 0.00 | 1 | -0.35 | 38 | -13.30 | | | Aledavood, Seyed Ali | | | 1518 | IRI | 1.00 | 1 | 0.33 | 38 | 12.54 | | | Ghayourifar, Amir | | | 1959 | IRI | 0.00 | 1 | -0.14 | 38 | -5.32 | | | * 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) | | |
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