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Rapid:
Individual Calculations December 2021 |
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| Seirafi, Peyman Total change: -17.80 | |   |
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| 5th IRCF Weekly Rapid Tournament 1400 | Tehran | IRI | 2021-11-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1177 | 1159 | 2.00 | 6 | -0.85 | 20 | -17.00 | |
|  Ghalandari, Moslem | | | 1236 | IRI | 0.00 | 1 | -0.39 | 20 | -7.80 | |  Hasanzade, Ehsan | | | 1009 | IRI | 0.00 | 1 | -0.70 | 20 | -14.00 | | | Rezaeian, Morteza | | | 1220 | IRI | 0.00 | 1 | -0.42 | 20 | -8.40 | | | Karim Beigi Kamran, Ali | | | 1304 | IRI | 0.00 | 1 | -0.31 | 20 | -6.20 | | | Shamsi, Shayegan | | | 1053 | IRI | 1.00 | 1 | 0.36 | 20 | 7.20 | | | Naeimi Omran, Ashkan | | | 1237 | IRI | 1.00 | 1 | 0.61 | 20 | 12.20 | |
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) | | | | 6th IRCF Weekly Rapid Tournament 1400 | Tehran | IRI | 2021-11-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1635 | 1159 | 0.00 | 3 | -0.16 | 20 | -3.20 | |
| | Ebadi, Seyed Ali | | | 1695 | IRI | 0.00 | 1 | -0.03 | 20 | -0.60 | | | Khanbaz, Nima | | | 1677 | IRI | 0.00 | 1 | -0.03 | 20 | -0.60 | | | Roohi, Behzad | | | 1533 | IRI | 0.00 | 1 | -0.10 | 20 | -2.00 | |
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) | | | | 8th IRCF Weekly Rapid Tournament 1400 | Tehran | IRI | 2021-11-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1513 | 1159 | 1.00 | 5 | 0.12 | 20 | 2.40 | |
| | Doroodgar, A.hosein | | | 1865 | IRI | 0.00 | 1 | -0.01 | 20 | -0.20 | | | Hojjatinejad, Ilia | | | 1653 | IRI | 0.00 | 1 | -0.04 | 20 | -0.80 | | | Zare, Ali | | | 1438 | IRI | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Abdi, Morteza | | | 1480 | IRI | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Zare, Arman | | | 1128 | IRI | 1.00 | 1 | 0.46 | 20 | 9.20 | |
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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