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Individual Calculations September 2018 |
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| Behzadi, Sepehr Total change: 3.20 | |   |
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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 |
| 1672 | 1599 | 1.00 | 2 | 0.19 | 40 | 7.60 | |
|  Ahmadi, Shayan | | | 1608 | IRI | 0.50 | 1 | 0.01 | 40 | 0.40 | |  Rahmani, Pedram | | | 1735 | IRI | 0.50 | 1 | 0.18 | 40 | 7.20 | |
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) | | | | 4th Golgohar Sirjan Standard Cup Mordad 1397 | Sirjan | IRI | 2018-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1508 | 1599 | 4.00 | 7 | -0.11 | 40 | -4.40 | |
| | Golzari, Mahdi | | | 1199 * | IRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Barkhori, Keyvan | | | 1792 | IRI | 0.50 | 1 | 0.25 | 40 | 10.00 | | | Mousavi Nasab, Mohammad Hossein | | | 1687 | IRI | 0.50 | 1 | 0.12 | 40 | 4.80 | | | Najafi, Nima | | | 1866 | IRI | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Salandari, Mehdi | | | 1285 | IRI | 0.00 | 1 | -0.86 | 40 | -34.40 | | | Mokhtari, Zahra | | | 1201 | IRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Arefi Nasab, Armin | | | 1526 | IRI | 1.00 | 1 | 0.40 | 40 | 16.00 | | | * 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) | | |
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