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Individual Calculations August 2023 |
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| Selahi, Kian Total change: 27.20 | |   |
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| 6th Iranian Amateures Chess Championship 2023 (Under 1700) | Zanjan | IRI | 2023-06-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1491 | 1185 | 2.00 | 5 | 1.22 | 40 | 48.80 | |
|  Habibifard, Parham | | | 1644 | IRI | 0.00 | 1 | -0.05 | 40 | -2.00 | | | Shakibaei Yekta, Ouriya | | | 1546 | IRI | 1.00 | 1 | 0.90 | 40 | 36.00 | |  Edalati, Parsa | | | 1512 | IRI | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Rahnama, M.reza | | | 1386 | IRI | 0.50 | 1 | 0.26 | 40 | 10.40 | | | Abdolzadeh, Baktash | | | 1368 | IRI | 0.50 | 1 | 0.24 | 40 | 9.60 | |
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 International Gilan Cup (B Category) | Rasht | IRI | 2023-07-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1444 | 1165 | 1.50 | 6 | 0.44 | 40 | 17.60 | |
| | Soltani, Mohammadmahdi | | | 1609 | IRI | 0.00 | 1 | -0.06 | 40 | -2.40 | | | Mehrkhah, Hadi | | | 1507 | IRI | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Aghidatmand, Alireza | | | 1445 | IRI | 0.50 | 1 | 0.34 | 40 | 13.60 | | | Pourjafari, Abbas | | | 1426 | IRI | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Yaghoobi, Tara | | | 1334 | IRI | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Ashouri, Sepehr | | | 1345 | IRI | 1.00 | 1 | 0.74 | 40 | 29.60 | |
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) | | | | Iranian Juniors Chess Championship (Boys Section - 1402) | Iran | IRI | 2023-07-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1384 | 1165 | 1.00 | 5 | -0.98 | 40 | -39.20 | |
| | Ahadian, Armin | | | 1755 | IRI | 0.00 | 1 | -0.02 | 40 | -0.80 | | | Malekzadeh, Mohammad | | | 2008 | IRI | 0.00 | 1 | 0.00 | 40 | 0.00 | | | Ahmadi, Mohammad Taha | | | 1079 | IRI | 0.50 | 1 | -0.12 | 40 | -4.80 | | | Hakimi Rad, Daniel | | | 1015 | IRI | 0.00 | 1 | -0.70 | 40 | -28.00 | | | Rajabzadeh, Diako | | | 1064 | IRI | 0.50 | 1 | -0.14 | 40 | -5.60 | |
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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