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Rapid:
Individual Calculations December 2018 |
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| Vafadar, Mobin Total change: -26.60 | |   |
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| 8th Achmaz Chess School Cup 1397 | Ardabil | IRI | 2018-11-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1275 | 1335 | 3.00 | 5 | 0.04 | 20 | 0.80 | |
|  Mahmoudi, Mohammad Amin | | | 1239 | IRI | 0.00 | 1 | -0.63 | 20 | -12.60 | |  Pour Vosough, Helia | | | 1140 | IRI | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Dolati, Artin | | | 1676 | IRI | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Vaferi, Amirreza | | | 1152 | IRI | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Rezaei, Amirmehdi | | | 1166 | IRI | 1.00 | 1 | 0.28 | 20 | 5.60 | |
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) | | | | 1st Iranian Boys Chess Talented Olympiad Rapid 1397 | Rasht | IRI | 2018-11-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1458 | 1335 | 0.50 | 5 | -1.37 | 20 | -27.40 | |
| | Khazaei, Parviz | | | 1641 | IRI | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Abbasnejad, Amirreza | | | 1630 | IRI | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Mogheyseh, Abolfazl | | | 1168 | IRI | 0.00 | 1 | -0.72 | 20 | -14.40 | | | Darini, Iliya | | | 1735 * | IRI | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Mansouri, Arash | | | 1114 | IRI | 0.50 | 1 | -0.28 | 20 | -5.60 | | | * 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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