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Rapid:
Individual Calculations January 2024 |
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| Hosseini Zad, Seyed Ahmad Total change: -29.64 | |   |
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| Weekly Ahouran Chess School (9 Azar) | Tehran | IRI | 2023-11-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1680 | 1279 | 0.50 | 4 | -0.35 | 19 | -6.65 | |
|  Doroodgar, Amir Hossein | | | 2121 | IRI | 0.00 | 1 | 0.00 | 19 | 0.00 | |  Ghavidel, Mehrdad | | | 1780 | IRI | 0.00 | 1 | -0.04 | 19 | -0.76 | | | Mahmoodi, Nader | | | 1732 | IRI | 0.00 | 1 | -0.06 | 19 | -1.14 | | | Maleki Azar Kharani, Bahareh | | | 1085 | IRI | 0.50 | 1 | -0.25 | 19 | -4.75 | |
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) | | | | 21th Chess To Infinity Weekly Rapid Tournament 1402 | Tehran | IRI | 2023-12-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1341 | 1281 | 4.50 | 8 | 0.80 | 19 | 15.20 | |
| | Kalantari, Mohammad Saleh | | | 1834 | IRI | 0.00 | 1 | -0.03 | 19 | -0.57 | | | Shafinia, Amirali | | | 1026 | IRI | 0.50 | 1 | -0.31 | 19 | -5.89 | | | Omidi, Hamid | | | 1123 | IRI | 0.00 | 1 | -0.71 | 19 | -13.49 | | | Abdolahi, Amir Taha | | | 1635 | IRI | 0.00 | 1 | -0.11 | 19 | -2.09 | | | Shakeri, Fatemeh | | | 1037 | IRI | 1.00 | 1 | 0.20 | 19 | 3.80 | | | Nazari, Alireza | | | 1103 | IRI | 1.00 | 1 | 0.27 | 19 | 5.13 | | | Tabassomi, Amir Erfan | | | 1386 | IRI | 1.00 | 1 | 0.64 | 19 | 12.16 | | | Nozari Amini, Kiyan | | | 1582 | IRI | 1.00 | 1 | 0.85 | 19 | 16.15 | |
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) | | | | Ahouran's Rapid Tournoment (16 Azar, University Students Day Memorial) | Tehran | IRI | 2023-12-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1345 | 1281 | 4.00 | 8 | 0.45 | 19 | 8.55 | |
| | Mahmoodi, Nader | | | 1702 | IRI | 1.00 | 1 | 0.93 | 19 | 17.67 | | | Effatdokht Ramezani, Dariush | | | 1659 | IRI | 0.00 | 1 | -0.09 | 19 | -1.71 | | | Golshanizad, Saeed | | | 1547 | IRI | 0.00 | 1 | -0.18 | 19 | -3.42 | | | Shakeri, Fatemeh | | | 1037 | IRI | 1.00 | 1 | 0.20 | 19 | 3.80 | | | Kaveh, Taghi | | | 1522 | IRI | 0.00 | 1 | -0.20 | 19 | -3.80 | | | Shojapoor, Mahan | | | 1129 | IRI | 0.00 | 1 | -0.70 | 19 | -13.30 | | | Rezaei, Ali | | | 1078 | IRI | 1.00 | 1 | 0.24 | 19 | 4.56 | | | Naderi, Shahan | | | 1086 | IRI | 1.00 | 1 | 0.25 | 19 | 4.75 | |
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) | | | | 23th Chess to Infinity Weekly Rapid Tournament 1402 | Tehran | IRI | 2023-12-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1428 | 1281 | 2.00 | 7 | -0.71 | 19 | -13.49 | |
| | Behroozi Moghaddam, Hamed | | | 1976 | IRI | 0.00 | 1 | -0.01 | 19 | -0.19 | | | Mahdi Zadeh, Mohamad | | | 1610 | IRI | 1.00 | 1 | 0.88 | 19 | 16.72 | | | Abed Masrorkhah, Artin | | | 1620 | IRI | 0.00 | 1 | -0.12 | 19 | -2.28 | | | Abdolzadeh, Baktash | | | 1535 | IRI | 0.00 | 1 | -0.19 | 19 | -3.61 | | | Sahraei, Barbod | | | 1045 | IRI | 0.00 | 1 | -0.80 | 19 | -15.20 | | | Maleki Azar Kharani, Bahareh | | | 1133 | IRI | 0.00 | 1 | -0.70 | 19 | -13.30 | | | Sarikhani, Salman | | | 1074 | IRI | 1.00 | 1 | 0.23 | 19 | 4.37 | |
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) | | | | Weekly competition on December 14, rating below 1800 at Ahouran Chess School | Tehran | IRI | 2023-12-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1415 | 1281 | 0.00 | 3 | -1.04 | 19 | -19.76 | |
| | Sotoude Nia, Mahdiar | | | 1568 | IRI | 0.00 | 1 | -0.16 | 19 | -3.04 | | | Hashemi, Sayyed Hessam | | | 1565 | IRI | 0.00 | 1 | -0.16 | 19 | -3.04 | | | Beigi Amin, Bisan | | | 1111 | IRI | 0.00 | 1 | -0.72 | 19 | -13.68 | |
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) | | | | 22th Chess To Infinity Rapid Tournament 1402 | Tehran | IRI | 2023-12-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1384 | 1281 | 2.00 | 6 | -0.71 | 19 | -13.49 | |
| | Ghayourifar, Amir | | | 2041 | IRI | 0.00 | 1 | 0.00 | 19 | 0.00 | | | Shakeri, Fatemeh | | | 1037 | IRI | 1.00 | 1 | 0.20 | 19 | 3.80 | | | Dabiri, Kasra | | | 1570 | IRI | 0.00 | 1 | -0.16 | 19 | -3.04 | | | Kiashemshaki, Kourosh | | | 1097 | IRI | 0.00 | 1 | -0.74 | 19 | -14.06 | | | Sarikhani, Salman | | | 1074 | IRI | 1.00 | 1 | 0.23 | 19 | 4.37 | | | Raygantafrashi, Sara | | | 1482 | IRI | 0.00 | 1 | -0.24 | 19 | -4.56 | |
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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