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Individual Calculations January 2020 |
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| Bolouri, Arad Total change: 10.40 | |   |
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| 2nd Boss Cup Standard Chess Tournament [Under 2100] | Gilan | IRI | 2019-12-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1474 | 1294 | 2.00 | 5 | 0.55 | 40 | 22.00 | |
|  Rezaei, Hamidreza | | | 1694 * | IRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Parsaei, Moharam Ali | | | 1511 | IRI | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Shakari, Atoosa | | | 1509 | IRI | 0.00 | 1 | -0.23 | 40 | -9.20 | |  Soltani, Mohammadmahdi | | | 1162 | IRI | 1.00 | 1 | 0.32 | 40 | 12.80 | | | Biriya, Yadollah | | | 1493 | IRI | 1.00 | 1 | 0.76 | 40 | 30.40 | | | * 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) | | | | Lahijan Open Under 1700 | Lahijan | IRI | 2019-12-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1348 | 1294 | 1.00 | 3 | -0.29 | 40 | -11.60 | |
| | Rahnama, M.reza | | | 1479 | IRI | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Jafarihassanalideh, Mohammad | | | 1478 | IRI | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Bozorgi, Nagin | | | 1086 | IRI | 1.00 | 1 | 0.23 | 40 | 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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