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Individual Calculations July 2023 |
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| Zarifi, Hafez Total change: -116.40 | |   |
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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 |
| 1377 | 1757 | 2.50 | 6 | -2.91 | 40 | -116.40 | |
|  Taheri, Mohammad Ali | | | 1357 * | IRI | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Iri, Gol Mohammad | | | 1331 | IRI | 0.50 | 1 | -0.43 | 40 | -17.20 | | | Edalati, Behrooz | | | 1518 | IRI | 0.00 | 1 | -0.80 | 40 | -32.00 | | | Safarpour, Hoseyn | | | 1385 | IRI | 0.00 | 1 | -0.90 | 40 | -36.00 | | | Lamei Ramand, Behrooz | | | 1348 | IRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Hashemi, Seyed Saleh | | | 1324 | IRI | 0.00 | 1 | -0.94 | 40 | -37.60 | | | * 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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