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Individual Calculations January 2020 |
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| Petesch, Gabriel Nicholas Total change: 10.60 | |   |
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| 50th Annual National Chess Congress | Philadelphia, Pennsylvania | USA | 2019-11-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2210 | 2272 | 4.00 | 6 | 0.53 | 20 | 10.60 | |
|  Holzmueller, Nathan L | | | 1965 | USA | 1.00 | 1 | 0.14 | 20 | 2.80 | |  Zong, Davis | | | 2110 | USA | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Schroeder, Jan-Christian | g | | 2568 | GER | 1.00 | 1 | 0.85 | 20 | 17.00 | | | Tang, Andrew | g | | 2506 | USA | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Tian, Eddy | | | 2130 | USA | 0.00 | 1 | -0.69 | 20 | -13.80 | | | Clasby, Derek Christopher | | | 1979 | USA | 1.00 | 1 | 0.15 | 20 | 3.00 | |
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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