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Individual Calculations November 2018 |
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| Riahi, Arvin Total change: -116.40 | |   |
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| Iran Boys U12 Chess Championship 2018 | Gilan | IRI | 2018-10-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1309 | 1614 | 3.00 | 7 | -2.91 | 40 | -116.40 | |
|  Alizadegan, Korosh | | | 1214 * | IRI | 0.00 | 1 | -0.92 | 40 | -36.80 | |  Mohammadzadeh, Sepehr | | | 1214 * | IRI | 0.00 | 1 | -0.92 | 40 | -36.80 | | | Shahmohammadi, Amirmohammad | | | 1214 * | IRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Ghorbani Shendi, Abolfazl | | | 1303 | IRI | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Shokrian, Abolfazl | | | 1395 | IRI | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Poolaei, Roham | | | 1474 | IRI | 0.00 | 1 | -0.69 | 40 | -27.60 | | | Rahmanizadeh, Rezhwan | | | 1352 | IRI | 0.00 | 1 | -0.82 | 40 | -32.80 | | | * 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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