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Individual Calculations September 2010 |
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| Cheraghi, Amin Total change: -6.00 | |   |
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| First Darya Cup Chess Tournament , Under 12 | Rasht - Gilan | IRI | 2010-06-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1899 | 1990 | 3.00 | 5 | -0.09 | 15 | -1.35 | |
|  Omidi, Arya | | | 1791 | IRI | 0.50 | 1 | -0.26 | 15 | -3.90 | | | Azimi, Khashayar | | | 1807 | IRI | 1.00 | 1 | 0.26 | 15 | 3.90 | |  Khoshkalam, Seyed Mehrab | | | 1965 | IRI | 1.00 | 1 | 0.47 | 15 | 7.05 | | | Mousavi, Seyed Khalil | | | 2072 | IRI | 0.00 | 1 | -0.39 | 15 | -5.85 | | | Sheykhhasani, Bardia | | | 1861 | IRI | 0.50 | 1 | -0.17 | 15 | -2.55 | |
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) | | | | Asian Youth Chess Championship 2010 - U12 | Beijing | CHN | 2010-07-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2017 | 1990 | 2.00 | 5 | -0.31 | 15 | -4.65 | |
| | Mohammad, Nubairshah Shaikh | | | 2064 | IND | 0.50 | 1 | 0.10 | 15 | 1.50 | | | Nguyen, Tan Hoang Nam | | | 1755 | VIE | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Bersamina, Paulo | | | 1984 | PHI | 0.00 | 1 | -0.51 | 15 | -7.65 | | | Xu, Yi | c | | 2044 | CHN | 0.50 | 1 | 0.08 | 15 | 1.20 | | | Wei, Yi | | | 2240 | CHN | 0.00 | 1 | -0.19 | 15 | -2.85 | |
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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