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Individual Calculations August 2017 |
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| Maser, Thomas F Total change: 36.00 | |   |
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| Summer 2017 Tuesday Night Marathon | San Francisco, California | USA | 2017-05-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1820 | 1910 | 4.50 | 7 | 0.38 | 20 | 7.60 | |
|  Valente, Marty J | | | 1510 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Dupree, Charles | | | 1634 | USA | 1.00 | 1 | 0.17 | 20 | 3.40 | | | O`connor, Derek | | | 2175 | USA | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Acharya, Venkatagi | | | 1510 * | IND | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Goins, Demetrius | | | 2102 | USA | 0.50 | 1 | 0.25 | 20 | 5.00 | | | Tracy, Joseph J | | | 1985 | USA | 0.00 | 1 | -0.40 | 20 | -8.00 | | | Gurovich, Roman | | | 1824 | USA | 1.00 | 1 | 0.38 | 20 | 7.60 | | | * 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) | | | | GM Marcel Sisniega Marathon | Berkeley, California | USA | 2017-06-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1981 | 1905 | 3.00 | 4 | 1.42 | 20 | 28.40 | |
| | Valente, Marty J | | | 1505 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Walder, Michael S | | | 2001 | USA | 1.00 | 1 | 0.63 | 20 | 12.60 | | | Winslow, Elliott C | m | | 2212 | USA | 1.00 | 1 | 0.86 | 20 | 17.20 | | | O`connor, Derek | | | 2206 | USA | 0.00 | 1 | -0.15 | 20 | -3.00 | | | * 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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