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Individual Calculations October 2017 |
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| Ghayourifar, Amir Total change: -18.80 | |   |
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| Alborz Eide Ghorban Standard U2000 | Karaj | IRI | 2017-08-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1567 | 1310 | 1.50 | 5 | 0.48 | 40 | 19.20 | |
|  Fereidooni Jamalzadeh, Alireza | | | 1677 | IRI | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Karimi, Ali | | | 1434 | IRI | 1.00 | 1 | 0.67 | 40 | 26.80 | |  Ghayourifar, Ali | | | 1422 | IRI | 0.50 | 1 | 0.15 | 40 | 6.00 | | | Mortazian, Saeed | | | 1710 * | IRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Jamshideyni, Arash | | | 1592 | IRI | 0.00 | 1 | -0.16 | 40 | -6.40 | | | * 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) | | | | Iranian Boys Under 10 Championship 1396 | Tehran | IRI | 2017-09-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1231 | 1348 | 3.50 | 7 | -1.11 | 40 | -44.40 | |
| | Khorasani, Mohamad Parham | | | 1147 | IRI | 1.00 | 1 | 0.24 | 40 | 9.60 | | | Mokhtari Moghadam, Taha | | | 1704 | IRI | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Rezaee, Mohammad Javad | | | 1137 | IRI | 0.00 | 1 | -0.77 | 40 | -30.80 | | | Maroofi, Ali | | | 1043 | IRI | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Ghaffarifar, Emad | | | 1189 | IRI | 0.00 | 1 | -0.71 | 40 | -28.40 | | | Noori, Amir Mohammad | | | 1177 | IRI | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Ghafari, Alireza | | | 1219 | IRI | 0.50 | 1 | -0.17 | 40 | -6.80 | |
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) | | | | Shahriar Standard Cup Shahrivar 1396 | Tehran | IRI | 2017-09-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1291 | 1348 | 3.00 | 5 | 0.16 | 40 | 6.40 | |
| | Mirdavoodi, Hasan | | | 1612 | IRI | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Saraei, Mobin | | | 1041 | IRI | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Chenari, Davood | | | 1600 | IRI | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Sheykhlou, Hossein | | | 1138 | IRI | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Tajalli, Ayein | | | 1066 | IRI | 1.00 | 1 | 0.16 | 40 | 6.40 | |
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) | | |
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