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Individual Calculations September 2018 |
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| Sharafi, Amir Mehrad Total change: -34.40 | |   |
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| Iran Boys Student Middle school Chess Championship 1397 | Zanjan | IRI | 2018-08-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1591 | 1686 | 2.50 | 5 | -0.55 | 40 | -22.00 | |
|  Baymani, Amir Hosein | | | 1340 | IRI | 0.00 | 1 | -0.89 | 40 | -35.60 | | | Salimi, Mardin | | | 1492 | IRI | 0.00 | 1 | -0.75 | 40 | -30.00 | |  Jafari, Mohammad Yasin | | | 1674 | IRI | 1.00 | 1 | 0.48 | 40 | 19.20 | | | Baheshmat, Abolfazl | | | 1657 | IRI | 0.50 | 1 | -0.04 | 40 | -1.60 | | | Aliakbar Sichani, Alireza | | | 1793 | IRI | 1.00 | 1 | 0.65 | 40 | 26.00 | |
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) | | | | Tehran Under 16 Boys Championship 1397 | Tehran | IRI | 2018-08-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1548 | 1686 | 5.00 | 8 | -0.31 | 40 | -12.40 | |
| | Amir, Ali Mahmoodi | | | 1286 * | AFG | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Mashhadiali Shirazi, Mohammad Ha | | | 1433 | IRI | 1.00 | 1 | 0.19 | 40 | 7.60 | | | Vasheghani, Hessam | | | 1505 | IRI | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Hashemi Bakhtiar, Adel | | | 1525 | IRI | 0.00 | 1 | -0.71 | 40 | -28.40 | | | Valizade, Amin | | | 1468 | IRI | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Tavazo, Amirparsa | | | 1837 | IRI | 0.50 | 1 | 0.20 | 40 | 8.00 | | | Tavakol, Mehrad | | | 1559 | IRI | 0.50 | 1 | -0.17 | 40 | -6.80 | | | Bahadori, Arash | | | 1770 | IRI | 0.00 | 1 | -0.38 | 40 | -15.20 | | | * 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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