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Individual Calculations July 2010 |
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| Roozbayan, Reza Total change: -6.00 | |   |
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| Tehran Men First League 2010 (1st Season) | Tehran | IRI | 2009-11-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1864 | 1960 | 0.00 | 1 | -0.63 | 15 | -9.45 | |
|  Mahrinpour, Farbod | | | 1864 | IRI | 0.00 | 1 | -0.63 | 15 | -9.45 | |
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 Men First League (second Season) | Tehran | IRI | 2009-11-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2105 | 1960 | 1.50 | 3 | 0.59 | 15 | 8.85 | |
|  Hejazi, Seyed Mehdi | | | 2106 | IRI | 1.00 | 1 | 0.70 | 15 | 10.50 | | | Rahmati, Morteza | | | 2117 | IRI | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Bashirinia, Omid | | | 2092 | IRI | 0.50 | 1 | 0.18 | 15 | 2.70 | |
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) | | | | Iranian Youth Chess Championships (B U16) | Tehran | IRI | 2010-03-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1909 | 1960 | 3.00 | 6 | -0.36 | 15 | -5.40 | |
| | Hosseinipour, Mehdi | | | 2217 | IRI | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Firouzi, Miad | | | 1706 | IRI | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Azadbakhsh, Farshid | | | 2080 | IRI | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Kaffash, Milad | | | 1701 | IRI | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Galehdari, Bardia | | | 1978 | IRI | 0.00 | 1 | -0.47 | 15 | -7.05 | | | Mosavi Jad, Seyedsajad | | | 1772 | IRI | 1.00 | 1 | 0.26 | 15 | 3.90 | |
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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