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Rapid:
Individual Calculations January 2022 |
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| Rostami, Alireza Total change: 45.20 | |   |
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| 10th IRCF Weekly Rapid Tournament 1400 | Tehran | IRI | 2021-12-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1452 | 1237 | 1.50 | 5 | 0.18 | 20 | 3.60 | |
|  Tavakkoli, Mahziar | | | 1073 | IRI | 0.00 | 1 | -0.72 | 20 | -14.40 | |  Abbaspoorrad, Nikoo | | | 1685 | IRI | 0.00 | 1 | -0.06 | 20 | -1.20 | | | Harati, Hasti | | | 1531 | IRI | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Kashefi, Mohammad | | | 1461 | IRI | 1.00 | 1 | 0.78 | 20 | 15.60 | | | Faramarzi, Ali | | | 1510 | IRI | 0.50 | 1 | 0.33 | 20 | 6.60 | |
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) | | | | 11th IRCF Weekly Rapid Tournament 1400 | Tehran | IRI | 2021-12-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1516 | 1237 | 2.50 | 7 | 0.49 | 20 | 9.80 | |
| | Ebrahimi Dastjerdi, Parsa | | | 1023 | IRI | 0.50 | 1 | -0.27 | 20 | -5.40 | | | Rostami, Rouzbeh | | | 1927 | IRI | 0.00 | 1 | -0.01 | 20 | -0.20 | | | Hedayatimehr, Amir Mahdi | | | 1155 | IRI | 1.00 | 1 | 0.39 | 20 | 7.80 | | | Ghasempour, Hossein | | | 1565 | IRI | 1.00 | 1 | 0.87 | 20 | 17.40 | | | Karimi, Setayesh | | | 1732 | IRI | 0.00 | 1 | -0.04 | 20 | -0.80 | | | Khaledi, Omid | | | 1930 | IRI | 0.00 | 1 | -0.01 | 20 | -0.20 | | | Delgoshad, Amin | | | 1277 | IRI | 0.00 | 1 | -0.44 | 20 | -8.80 | |
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) | | | | 12th IRCF Weekly Rapid Tournament 1400 | Tehran | IRI | 2021-12-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1546 | 1237 | 2.50 | 5 | 1.59 | 20 | 31.80 | |
| | Zahmati, Sobhan | | | 1784 | IRI | 0.00 | 1 | -0.03 | 20 | -0.60 | | | Nosrati, Mehrdad | | | 1623 | IRI | 0.00 | 1 | -0.09 | 20 | -1.80 | | | Sodachi, Saba | | | 1305 | IRI | 0.50 | 1 | 0.09 | 20 | 1.80 | | | Rahbar, Aihan | | | 1395 | IRI | 1.00 | 1 | 0.71 | 20 | 14.20 | | | Izadkhah, Hossein | | | 1625 | IRI | 1.00 | 1 | 0.91 | 20 | 18.20 | |
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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