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Individual Calculations September 2019 |
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| Nastasio, Davide Total change: -20.40 | |   |
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| 2019 National Senior Tournament of Champions | Orlando, Florida | USA | 2019-08-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2009 | 1857 | 1.50 | 5 | -0.01 | 40 | -0.40 | |
|  Winslow, Elliott | m | | 2087 | USA | 0.50 | 1 | 0.29 | 40 | 11.60 | | | Gibbins, Wilson | | | 2016 | USA | 0.00 | 1 | -0.29 | 40 | -11.60 | |  Pohl, Klaus | | | 1998 | USA | 0.50 | 1 | 0.19 | 40 | 7.60 | | | Sage, J Timothy | | | 2018 | USA | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Dooley, Christopher | | | 1924 | USA | 0.50 | 1 | 0.09 | 40 | 3.60 | |
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) | | | | 2019 North Carolina Open | Greensboro, North Carolina | USA | 2019-08-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1858 | 1857 | 0.00 | 1 | -0.50 | 40 | -20.00 | |
| | High, David | | | 1858 | USA | 0.00 | 1 | -0.50 | 40 | -20.00 | |
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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