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Individual Calculations June 2015 |
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| Guran Orimi, Mehdi Total change: -14.00 | |   |
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| Mazandaran Chess League Mazandaran 2014-15 1-3 | Sari | IRI | 2014-12-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1982 | 1745 | 0.00 | 2 | -0.44 | 40 | -17.60 | |
|  Galehdari, Bardia | | | 2084 | IRI | 0.00 | 1 | -0.12 | 40 | -4.80 | |  Ebrahimi, Abolfazl | | | 1879 | IRI | 0.00 | 1 | -0.32 | 40 | -12.80 | |
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) | | | | Mazandaran Chess League Mazandaran 2014-15 4-7 | Sari | IRI | 2015-01-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1909 | 1745 | 0.00 | 1 | -0.28 | 40 | -11.20 | |
| | Kalantari, Sedigheh | | wf | 1909 | IRI | 0.00 | 1 | -0.28 | 40 | -11.20 | |
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) | | | | Mazandaran Chess League Mazandaran 2014-15 8-9 | Sari | IRI | 2015-02-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2025 | 1726 | 0.50 | 1 | 0.35 | 40 | 14.00 | |
| | Salar, Milad | | | 2025 | IRI | 0.50 | 1 | 0.35 | 40 | 14.00 | |
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) | | | | Mazandaran Chess League Mazandaran 2014-15 10-11 | Sari | IRI | 2015-03-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1746 | 1726 | 1.00 | 2 | 0.02 | 40 | 0.80 | |
| | Yaghoubi Ashrafi, Shayan | | | 1366 | IRI | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Sheykhhasani, Bardia | f | | 2126 * | IRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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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