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Individual Calculations October 2017 |
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| Jafari Ghourtani, Arash Total change: 29.20 | |   |
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| Iranian Boys Under 8 Championship 1396 | Rasht | IRI | 2017-09-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1030 | 1200 | 2.00 | 2 | 0.55 | 40 | 22.00 | |
|  Azimi, Amir Mohammad | | | 1049 | IRI | 1.00 | 1 | 0.30 | 40 | 12.00 | | | Keyvani, Arsha | | | 1010 | IRI | 1.00 | 1 | 0.25 | 40 | 10.00 | |
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) | | | | 8th Isfahan Zendehrood Open 1396 | Isfahan | IRI | 2017-09-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1489 | 1200 | 1.00 | 5 | 0.18 | 40 | 7.20 | |
|  Minakhanloo, Mohammad Javad | | | 1600 * | IRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Hamzeh Ali, Behnam | | | 1512 | IRI | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Asadollahi Rad, Ali | | | 1472 | IRI | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Shams, Siavash | | | 1464 | IRI | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Sadeghi, Mahmoud | | | 1397 | IRI | 1.00 | 1 | 0.75 | 40 | 30.00 | | | * 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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