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Individual Calculations August 2023 |
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| Kouchaki, Aein Total change: 115.60 | |   |
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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 |
| 1440 | 1117 | 2.50 | 5 | 1.83 | 40 | 73.20 | |
|  Dezhdar, Behzad | | | 1379 | IRI | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Mohammad Bidaghi, Ali | | | 1390 | IRI | 1.00 | 1 | 0.83 | 40 | 33.20 | | | Mokhtar Sasani, Foad | | | 1460 | IRI | 0.50 | 1 | 0.38 | 40 | 15.20 | |  Golzari, Amirmohammad | | | 1506 | IRI | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Hosseinzadeh, Salar | | | 1466 | IRI | 1.00 | 1 | 0.89 | 40 | 35.60 | |
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) | | | | 2nd International Gilan Cup (B Category) | Rasht | IRI | 2023-07-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1314 | 1070 | 2.50 | 7 | 1.06 | 40 | 42.40 | |
| | Nikzadeh, Mohammad | | | 1329 | IRI | 0.50 | 1 | 0.32 | 40 | 12.80 | | | Kazemi, Parham | | | 1336 | IRI | 1.00 | 1 | 0.82 | 40 | 32.80 | | | Ghasemi, Reza | | | 1460 | IRI | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Nazem, Mehrad | | | 1303 | IRI | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Farhood, Alireza | | | 1326 | IRI | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Sadeghi, Shayan | | | 1226 | IRI | 0.50 | 1 | 0.21 | 40 | 8.40 | | | Mohammadi, Arad | | | 1220 | IRI | 0.50 | 1 | 0.20 | 40 | 8.00 | |
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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