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Individual Calculations November 2021 |
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| Petras, Milan Total change: -33.20 | |   |
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| World Amateur Chess Championship 2021 U2000 open | Rhodes | GRE | 2021-10-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1793 | 1889 | 1.50 | 5 | -1.66 | 20 | -33.20 | |
|  Peter Anand, A | | | 1787 | IND | 0.00 | 1 | -0.64 | 20 | -12.80 | |  Hamad, Essam | | | 1835 | UAE | 1.00 | 1 | 0.42 | 20 | 8.40 | | | Kovalskyi, Roman | | | 1815 | UKR | 0.00 | 1 | -0.60 | 20 | -12.00 | | | Al Ibrahim, Abdulrahman | | | 1780 | KUW | 0.50 | 1 | -0.15 | 20 | -3.00 | | | Florakis, Konstantinos | | | 1749 | GRE | 0.00 | 1 | -0.69 | 20 | -13.80 | |
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) | | |
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