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Individual Calculations September 2019 |
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| Rezaei, Yekta Total change: 144.40 | |   |
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| 9th Qazvin Cup - C Group (U-14) | Qazvin | IRI | 2019-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1258 | 1015 | 1.50 | 4 | 0.70 | 40 | 28.00 | |
|  Azizi, Ali | | | 1322 | IRI | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Ghaemi, Ali Reza | | | 1258 | IRI | 0.50 | 1 | 0.30 | 40 | 12.00 | |  Motaki, Parsoon | | | 1228 | IRI | 0.50 | 1 | 0.27 | 40 | 10.80 | | | Keshavarz Hamidi, Karen | | | 1224 | IRI | 0.50 | 1 | 0.27 | 40 | 10.80 | |
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) | | | | Alborz Chess Championship 1398 (U12-Girls) | Alborz | IRI | 2019-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1159 | 1015 | 1.50 | 3 | 0.57 | 40 | 22.80 | |
| | Soleymani, Diba | | | 1212 | IRI | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Zafari Yekta, Niyousha | | | 1111 | IRI | 1.00 | 1 | 0.63 | 40 | 25.20 | | | Sodachi, Saba | | | 1153 | IRI | 0.50 | 1 | 0.19 | 40 | 7.60 | |
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) | | | | Tehran Chess Championship 2019 - U12G | Tehran | IRI | 2019-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1278 | 1015 | 3.50 | 6 | 2.34 | 40 | 93.60 | |
| | Nasihat, Romina | | | 1415 * | IRI | 1.00 | 1 | 0.92 | 40 | 36.80 | | | Hadavand Khani, Arefe | | | 1285 | IRI | 1.00 | 1 | 0.83 | 40 | 33.20 | | | Kargari Arian, Saba | | | 1391 | IRI | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Ahmadi , Solaleh | | | 1212 | IRI | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Zafari Yekta, Niyousha | | | 1111 | IRI | 0.50 | 1 | 0.13 | 40 | 5.20 | | | Nasrabadi, Kosar | | | 1254 | IRI | 1.00 | 1 | 0.80 | 40 | 32.00 | | | * 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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