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Individual Calculations January 2019 |
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| Tavoosi Rad, Ramtin Total change: -22.00 | |   |
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| 17th Iranian Super League Chess Championship 1397 Round 5-7 | Esfahan | IRI | 2018-12-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1980 | 2192 | 1.00 | 2 | -0.48 | 40 | -19.20 | |
|  Moghaddamian, Afshin | | | 2124 | IRI | 0.00 | 1 | -0.59 | 40 | -23.60 | |  Ebrahimzadeh, Mohammadnaghi | | | 1835 | IRI | 1.00 | 1 | 0.11 | 40 | 4.40 | |
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) | | | | Gilan First League 1396 -second League 1397 Round 4-6 | Rasht | IRI | 2018-12-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2008 | 2192 | 2.00 | 3 | -0.07 | 40 | -2.80 | |
| | Abbasi, Hamid | | | 1792 * | IRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Omidi, Arya | | | 2351 | IRI | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Zafari, Armin | | | 1881 | IRI | 1.00 | 1 | 0.14 | 40 | 5.60 | | | * 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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