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Individual Calculations September 2017 |
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| Boris, Peter Theodore Total change: 86.40 | |   |
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| 6th Annual Washington International - Experts | Rockville, Maryland | USA | 2017-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1830 | 1752 | 4.50 | 8 | 1.31 | 40 | 52.40 | |
|  Caluza, Juni | | | 1790 | CAN | 1.00 | 1 | 0.55 | 40 | 22.00 | |  Slade, Theodore | | | 1917 | ENG | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Frank, Ryan | | | 1792 | USA | 1.00 | 1 | 0.56 | 40 | 22.40 | | | Liu, Bingjie | | | 1889 | USA | 0.00 | 1 | -0.32 | 40 | -12.80 | | | Cassidy, Ryan A | | | 1711 | USA | 1.00 | 1 | 0.44 | 40 | 17.60 | | | Luo, Terry | | | 1668 | USA | 1.00 | 1 | 0.38 | 40 | 15.20 | | | Heesters, Pieter S | | | 1974 | USA | 0.50 | 1 | 0.28 | 40 | 11.20 | | | Chiu, Isaac | | | 1901 | USA | 0.00 | 1 | -0.30 | 40 | -12.00 | |
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) | | | | 49th Annual Atlantic Open | Arlington, Virginia | USA | 2017-08-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1969 | 1752 | 2.00 | 5 | 0.85 | 40 | 34.00 | |
| | Feliachi, Nabil | | | 2056 | USA | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Barrow, William J | | | 1953 | USA | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Books, Lawrence James | | | 1982 | USA | 1.00 | 1 | 0.79 | 40 | 31.60 | | | Prem, Pranav | | | 1832 | USA | 1.00 | 1 | 0.61 | 40 | 24.40 | | | Kobla, Vishal | c | | 2020 | USA | 0.00 | 1 | -0.17 | 40 | -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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