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Individual Calculations January 2020 |
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| Najafi Tabar, Aydin Total change: 69.20 | |   |
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| 19th Qazvin League 1398 Round 1-4 | Qazvin | IRI | 2019-11-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1698 | 1889 | 3.00 | 3 | 0.86 | 20 | 17.20 | |
|  Zolfi, Mostafa | | | 1688 | IRI | 1.00 | 1 | 0.24 | 20 | 4.80 | |  Ghorbani, Ramezan | | | 1489 * | IRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Tahmasebi, Pooyan | | | 1916 | IRI | 1.00 | 1 | 0.54 | 20 | 10.80 | | | * 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) | | | | 19th Qazvin League 1398 Round 5-11 | Qazvin | IRI | 2019-12-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1532 | 1889 | 3.00 | 3 | 0.33 | 20 | 6.60 | |
| | Mohammadi, Hadis | | | 1617 | IRI | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Salimiyan, Behzad | | | 1489 * | IRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Khalili, Behrad | | | 1489 * | IRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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) | | | | Tabriz 2nd U2000 Chess ( Grand Prophet's Memorial ) | Tabriz | IRI | 2019-12-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1802 | 1889 | 7.00 | 8 | 2.27 | 20 | 45.40 | |
| | Assar, Masoud | | | 1597 | IRI | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Shamsvala, Arash | | | 1666 | IRI | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Babaei, Nazem | | | 1489 * | IRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Shahali, Milad | | | 1958 | IRI | 0.50 | 1 | 0.10 | 20 | 2.00 | | | Hooshdarmahjoob, Navid | | | 1974 | IRI | 1.00 | 1 | 0.62 | 20 | 12.40 | | | Mahmoody, M. Sadegh | | | 1895 | IRI | 1.00 | 1 | 0.51 | 20 | 10.20 | | | Saemi, Sina | | | 1882 | IRI | 1.00 | 1 | 0.49 | 20 | 9.80 | | | Abedi, Amin | | | 1958 | IRI | 0.50 | 1 | 0.10 | 20 | 2.00 | | | * 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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