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Individual Calculations August 2019 |
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| Olson, David Total change: -17.40 | |   |
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| Summer 2019 Tuesday Night Marathon - U1600 | San Francisco, California | USA | 2019-05-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1433 | 1308 | 0.50 | 4 | -0.87 | 20 | -17.40 | |
|  Simpkins, Jerry | | | 1570 | USA | 0.00 | 1 | -0.18 | 20 | -3.60 | |  Cole, Tony | | | 1488 | USA | 0.50 | 1 | 0.24 | 20 | 4.80 | | | Cowgill, Jackie | | | 1177 | USA | 0.00 | 1 | -0.68 | 20 | -13.60 | | | Chambers, Don | | | 1497 | USA | 0.00 | 1 | -0.25 | 20 | -5.00 | |
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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