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Individual Calculations September 2019 |
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| Mehrshad, Artin Total change: 30.80 | |   |
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| Alborz Chess Championship 1398 (U12-Boys) | Alborz | IRI | 2019-08-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1171 | 1212 | 3.00 | 5 | 0.24 | 40 | 9.60 | |
|  Nozari, Sina | | | 1337 | IRI | 0.00 | 1 | -0.33 | 40 | -13.20 | |  Mirzamani, Seyed Amirarta | | | 1058 | IRI | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Safdarian, Saman | | | 1260 | IRI | 0.00 | 1 | -0.43 | 40 | -17.20 | | | Ghiyasvand, Navid | | | 1010 | IRI | 1.00 | 1 | 0.24 | 40 | 9.60 | | | Saeidi, Amir Hossein | | | 1188 | IRI | 1.00 | 1 | 0.47 | 40 | 18.80 | |
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) | | | | Chess Tehran Championship 2019 - U14B | Tehran | IRI | 2019-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1350 | 1212 | 2.50 | 6 | 0.53 | 40 | 21.20 | |
| | Zeinali, Alireza | | | 1517 | IRI | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Shabanzadeh, Mehrad | | | 1470 | IRI | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Akbari, Soheil | | | 1016 | IRI | 1.00 | 1 | 0.25 | 40 | 10.00 | | | Sahraei, Armin | | | 1399 | IRI | 0.50 | 1 | 0.24 | 40 | 9.60 | | | Tarzali, Abtin | | | 1424 | IRI | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Majlesi Nasr Abadi, S.mohammad | | | 1276 | IRI | 1.00 | 1 | 0.59 | 40 | 23.60 | |
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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