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Individual Calculations July 2023 |
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| Valiollahi, Alireza Total change: 0.40 | |   |
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| Iran Veterans (women&men) S50 Chess Championship 1402 | Chaloos | IRI | 2023-06-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1389 | 1260 | 1.50 | 4 | 0.02 | 20 | 0.40 | |
|  Niazi, Nazar Mohammad | | | 1662 | IRI | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Azali, Mahdad | | | 1576 | IRI | 0.00 | 1 | -0.13 | 20 | -2.60 | |  Baklou, Akram | | | 1061 | IRI | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Salehi, Hossein | | | 1256 | IRI | 0.50 | 1 | -0.01 | 20 | -0.20 | |
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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