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Individual Calculations February 2017 |
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| Boris, Peter Theod Total change: 61.20 | |   |
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| 9th Annual Chesapeake Open - U2200 | Rockville, Maryland | USA | 2017-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1966 | 1718 | 2.50 | 5 | 1.53 | 40 | 61.20 | |
|  Tan, Richard T | | | 1926 | USA | 0.50 | 1 | 0.27 | 40 | 10.80 | |  Price, Alan Curtis | | | 2003 | USA | 0.50 | 1 | 0.34 | 40 | 13.60 | | | Obregon, Deodato N | | | 1968 | USA | 0.50 | 1 | 0.31 | 40 | 12.40 | | | Erben, Larissa Mar | | | 1981 | GER | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Lohr, Nathan | | | 1951 | USA | 1.00 | 1 | 0.79 | 40 | 31.60 | |
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) | | |
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