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Individual Calculations July 2021 |
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| Matviishen, Viktor Total change: -1.50 | |   |
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| 2021 National Open - Championship | Las Vegas, Nevada | USA | 2021-06-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2393 | 2512 | 5.50 | 9 | -0.15 | 10 | -1.50 | |
|  Kumar, Naman | | | 2128 | USA | 1.00 | 1 | 0.09 | 10 | 0.90 | |  Li, Eric Yuhan | f | | 2270 | USA | 1.00 | 1 | 0.20 | 10 | 2.00 | | | Krishnakumar, Sriram | c | | 2112 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Kaidanov, Gregory | g | | 2549 | USA | 1.00 | 1 | 0.55 | 10 | 5.50 | | | Hakobyan, Aram | g | | 2598 | ARM | 0.50 | 1 | 0.12 | 10 | 1.20 | | | Nyzhnyk, Illia | g | | 2679 | UKR | 0.00 | 1 | -0.28 | 10 | -2.80 | | | Theodorou, Nikolas | m | | 2566 | GRE | 0.00 | 1 | -0.42 | 10 | -4.20 | | | Santarius, Erik | m | | 2378 | USA | 1.00 | 1 | 0.32 | 10 | 3.20 | | | Posthuma, Joshua | f | | 2256 | USA | 0.00 | 1 | -0.81 | 10 | -8.10 | | | * 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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