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Individual Calculations February 2019 |
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| Luo, Ryan Total change: -31.60 | |   |
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| 45th Annual Eastern Open | Tyson's Corner, Virginia | USA | 2018-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1906 | 1987 | 2.50 | 6 | -1.11 | 40 | -44.40 | |
|  Chiu, Isaac | | | 2150 | USA | 0.00 | 1 | -0.28 | 40 | -11.20 | |  Newcomb, Murray | | | 1857 | USA | 1.00 | 1 | 0.32 | 40 | 12.80 | | | Boris, Peter | | | 1812 | USA | 0.00 | 1 | -0.73 | 40 | -29.20 | | | Wang, Ellen | | wf | 1725 | USA | 0.50 | 1 | -0.32 | 40 | -12.80 | | | Wiebe, Isaac | | | 2099 | CAN | 0.00 | 1 | -0.35 | 40 | -14.00 | | | Prem, Pranav | | | 1793 | USA | 1.00 | 1 | 0.25 | 40 | 10.00 | |
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) | | | | 51st Annual Liberty Bell Open | Philadelphia, Pennsylvania | USA | 2019-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2045 | 1986 | 2.00 | 4 | 0.32 | 40 | 12.80 | |
| | Cezila Jr, Rubens | | | 2133 | BRA | 1.00 | 1 | 0.70 | 40 | 28.00 | | | Shibut, Macon | f | | 2161 | USA | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Milanovic, Nemanja | | | 2034 | SRB | 0.50 | 1 | 0.07 | 40 | 2.80 | | | Zhang, Samuel | | | 1850 | USA | 0.50 | 1 | -0.18 | 40 | -7.20 | |
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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