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Individual Calculations August 2017 |
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| Valente, Marty J Total change: -41.40 | |   |
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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 |
| 1587 | 1390 | 1.00 | 6 | -0.68 | 20 | -13.60 | |
|  Maser, Thomas F | | | 1790 * | USA | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Andries, W Craig | | | 1790 * | USA | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Eastham, Asher | | | 1471 | USA | 1.00 | 1 | 0.61 | 20 | 12.20 | | | Chan, John | | | 1635 | USA | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Sachs-Weintraub, J | | | 1547 | USA | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Boldi, Nicholas Ar | | | 1286 | USA | 0.00 | 1 | -0.64 | 20 | -12.80 | | | * 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) | | | | GM Marcel Sisniega Marathon | Berkeley, California | USA | 2017-06-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1504 | 1395 | 0.50 | 5 | -1.39 | 20 | -27.80 | |
| | Maser, Thomas F | | | 1795 * | USA | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Shaughnessy, Elizabeth | | | 1472 | IRL | 0.00 | 1 | -0.39 | 20 | -7.80 | | | Enkh, Tergelsar | | | 1379 | USA | 0.50 | 1 | -0.02 | 20 | -0.40 | | | Carter, Evan | | | 1596 | USA | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Marrus, Matthew E | | | 1278 | USA | 0.00 | 1 | -0.66 | 20 | -13.20 | | | * 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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