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Individual Calculations July 2023 |
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| Jafarnejad, Jafar Total change: -13.20 | |   |
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| 19th Gilan 2nd League Round 6-7 | Rasht | IRI | 2023-06-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1459 | 1399 | 0.00 | 1 | -0.42 | 20 | -8.40 | |
|  Reshad, Radin | | | 1459 | IRI | 0.00 | 1 | -0.42 | 20 | -8.40 | |
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) | | | | Iran Veterans (women&men) S50 Chess Championship 1402 | Chaloos | IRI | 2023-06-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1489 | 1399 | 2.00 | 5 | -0.24 | 20 | -4.80 | |
| | Mahmoodi, Nader | | | 2001 | IRI | 0.00 | 1 | -0.02 | 20 | -0.40 | |  Darini, Esmaeil | | | 1248 | IRI | 0.50 | 1 | -0.20 | 20 | -4.00 | | | Sharifzade, Shahram | | | 1595 | IRI | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Salehi, Hossein | | | 1256 | IRI | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Salarkia, Davood | | | 1344 | IRI | 0.50 | 1 | -0.08 | 20 | -1.60 | |
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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