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Individual Calculations January 2012 |
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| Omidi, Arya Total change: 21.15 | |   |
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| 1st Ghods Open Tournament | Tehran | IRI | 2011-08-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1968 | 1872 | 4.50 | 6 | 2.28 | 15 | 34.20 | |
|  Marzoughi, Mohammadsadegh | | | 1981 | IRI | 1.00 | 1 | 0.65 | 15 | 9.75 | |  Kaffash, Milad | | | 1954 | IRI | 0.00 | 1 | -0.39 | 15 | -5.85 | | | Ebrahimzadeh, Mohammadnaghi | | | 1985 | IRI | 1.00 | 1 | 0.65 | 15 | 9.75 | | | Tahmasebi, Pooyan | | | 1930 | IRI | 1.00 | 1 | 0.58 | 15 | 8.70 | | | Nameei, Koushan | | | 1958 | IRI | 1.00 | 1 | 0.62 | 15 | 9.30 | | | Shahbazi, Mohammadreza | | | 1998 | 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) | | | | Shahid Rajaei chess tournament (Open) | Qazvin | IRI | 2011-09-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1765 | 1872 | 2.00 | 4 | -0.55 | 15 | -8.25 | |
| | Babaee, Hosein | | | 1961 | IRI | 0.00 | 1 | -0.38 | 15 | -5.70 | | | Jaferian, Koosha | | | 1638 | IRI | 0.00 | 1 | -0.79 | 15 | -11.85 | | | Karimpoor, Shahab | | | 1699 | IRI | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Fendereski, Nima | | | 1763 | IRI | 1.00 | 1 | 0.35 | 15 | 5.25 | |
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) | | | | 2nd baran chess rated tournament | Rasht | IRI | 2011-11-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1897 | 1872 | 1.50 | 4 | -0.32 | 15 | -4.80 | |
| | Najafi, Amirhasan | | | 1472 * | IRI | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Barbari, Abbas | | | 1972 | IRI | 0.50 | 1 | 0.14 | 15 | 2.10 | | | Zarinfam, Arsalan | | | 2213 | IRI | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Hanifi, Farshid | | | 1930 | IRI | 0.00 | 1 | -0.42 | 15 | -6.30 | | | * 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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