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Individual Calculations November 2019 |
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| Kian Sirat , Yasin Total change: -18.80 | |   |
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| Iran Boys U12 Chess Championship 2019 | Tehran | IRI | 2019-09-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1281 | 1180 | 1.50 | 6 | -0.84 | 40 | -33.60 | |
|  Noori, Amir Mohammad | | | 1519 | IRI | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Daneshvar, Kasra | | | 1470 | IRI | 0.50 | 1 | 0.34 | 40 | 13.60 | |  Valaei Kebria, Abolfazl | | | 1412 | IRI | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Biglarifard, Maziyar | | | 1064 | IRI | 0.00 | 1 | -0.66 | 40 | -26.40 | | | Darabi, Matin | | | 1044 | IRI | 1.00 | 1 | 0.32 | 40 | 12.80 | | | Goudarzi, Amir Ali | | | 1176 | IRI | 0.00 | 1 | -0.51 | 40 | -20.40 | |
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) | | | | Tehran U 18 League 2019 Round 1-3 | Tehran | IRI | 2019-10-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1083 | 1180 | 1.00 | 1 | 0.37 | 40 | 14.80 | |
| | Niaei, Keyhan | | | 1083 | IRI | 1.00 | 1 | 0.37 | 40 | 14.80 | |
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) | | |
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