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Individual Calculations June 2017 |
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| Chan, John Total change: -18.00 | |   |
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| Spring 2017 Tuesday Night Marathon | San Francisco, California | USA | 2017-03-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1578 | 1635 | 3.00 | 7 | -0.90 | 20 | -18.00 | |
|  Walder, Michael S | | | 1998 | USA | 0.00 | 1 | -0.10 | 20 | -2.00 | |  Otterbach, Renate | | | 1262 | USA | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Mays, Jerry L | | | 1721 | USA | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Hakobyan, Sos | | | 1877 | USA | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Cowgill, Jackie | | | 1235 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Robertson, Guy R | | | 1569 | USA | 0.00 | 1 | -0.59 | 20 | -11.80 | | | Valente, Marty J | | | 1384 | USA | 1.00 | 1 | 0.19 | 20 | 3.80 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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