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Individual Calculations January 2022 |
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| Adelson, Serge Total change: -22.80 | |   |
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| 52nd Annual National Chess Congress - Under 2000 | Philadelphia, Pennsylvania | USA | 2021-11-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1629 | 1680 | 1.50 | 3 | -0.16 | 20 | -3.20 | |
|  Gelman, Jeffrey A | | | 1365 | USA | 0.50 | 1 | -0.36 | 20 | -7.20 | |  Moshkevich, Elizabeth | | | 1620 | USA | 1.00 | 1 | 0.42 | 20 | 8.40 | | | Murphy, Thomas Dwayne | | | 1901 | USA | 0.00 | 1 | -0.22 | 20 | -4.40 | |
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) | | | | Jerry Simon Memorial 2021 | New York, NY | USA | 2021-12-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1825 | 1680 | 0.00 | 3 | -0.98 | 20 | -19.60 | |
| | Malyshev, Roman | | | 1989 | RUS | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Olsen, Robert Donald | | | 1888 | USA | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Ross, Tyler D | | | 1599 | USA | 0.00 | 1 | -0.61 | 20 | -12.20 | |
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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