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Individual Calculations July 2021 |
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| Zierk, Steven Total change: -11.30 | |   |
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| 2021 National Open - Championship | Las Vegas, Nevada | USA | 2021-06-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2276 | 2499 | 3.50 | 6 | -1.13 | 10 | -11.30 | |
|  Hakobyan, Eduard E | | | 2127 | USA | 1.00 | 1 | 0.10 | 10 | 1.00 | |  Vibbert, Sean | f | | 2270 | USA | 0.50 | 1 | -0.29 | 10 | -2.90 | | | Grabinsky, Joshua | c | | 2251 | USA | 1.00 | 1 | 0.19 | 10 | 1.90 | | | Posthuma, Joshua | f | | 2256 | USA | 0.50 | 1 | -0.30 | 10 | -3.00 | | | Daggupati, Balaji | f | | 2389 | USA | 0.50 | 1 | -0.15 | 10 | -1.50 | | | Stearman, Josiah | m | | 2364 | USA | 0.00 | 1 | -0.68 | 10 | -6.80 | |
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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