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Individual Calculations June 2018 |
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| Cortinas, Martin Total change: 34.40 | |   |
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| GM Koltanowski Marathon | Berkeley, California | USA | 2018-03-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1737 | 1612 | 1.00 | 4 | -0.44 | 40 | -17.60 | |
|  Winslow, Elliott | m | | 2012 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Aung, Grant | | | 1697 | USA | 0.00 | 1 | -0.38 | 40 | -15.20 | | | Soltani, Mohammad | | | 1570 | USA | 0.00 | 1 | -0.56 | 40 | -22.40 | | | Lesquillier, Walter | | | 1669 | USA | 1.00 | 1 | 0.58 | 40 | 23.20 | | | * 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) | | | | Spring 2018 Tuesday Night Marathon | San Francisco, California | USA | 2018-03-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1869 | 1612 | 2.50 | 6 | 1.30 | 40 | 52.00 | |
| | Lewis, Edward | | | 1881 | USA | 0.50 | 1 | 0.33 | 40 | 13.20 | | | Maser, Thomas | | | 1917 | USA | 1.00 | 1 | 0.86 | 40 | 34.40 | | | Pryor, Jamieson | | | 1909 | USA | 1.00 | 1 | 0.85 | 40 | 34.00 | | | Stearman, Josiah | f | | 2012 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Steger, Eric | | | 1853 | USA | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Touset, Stephen | | | 1639 | USA | 0.00 | 1 | -0.46 | 40 | -18.40 | | | * 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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