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Individual Calculations November 2021 |
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| Apostolakis, Ioannis Total change: 41.40 | |   |
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| World Amateur Chess Championship 2021 U1700 open | Rhodes | GRE | 2021-10-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1544 | 1423 | 4.50 | 7 | 2.07 | 20 | 41.40 | |
|  Fadhil, Salim Ahmed | | | 1653 | OMA | 0.50 | 1 | 0.29 | 20 | 5.80 | |  Taddia, Davide | | | 1470 | ITA | 1.00 | 1 | 0.57 | 20 | 11.40 | | | Bozkurt, Serkan | | | 1668 | TUR | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Keskin, Cengiz | | | 1499 | TUR | 1.00 | 1 | 0.60 | 20 | 12.00 | | | Rousakis, Anastasios | | | 1652 | GRE | 0.50 | 1 | 0.29 | 20 | 5.80 | | | Alnaimi, Geith | | | 1229 | UAE | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Mielke, Torsten | | | 1634 | GER | 0.50 | 1 | 0.27 | 20 | 5.40 | |
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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