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Individual Calculations December 2017 |
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| Wilson, Ronen Total change: -12.80 | |   |
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| Northern Virginia Chess League Season 4 Round 3 | Dulles, Virginia | USA | 2017-11-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1740 | 1457 | 0.00 | 1 | -0.16 | 40 | -6.40 | |
|  Heidari, Ako | | | 1740 | IRI | 0.00 | 1 | -0.16 | 40 | -6.40 | |
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) | | | | 22nd Annual Northern Virginia Open | Dulles, Virginia | USA | 2017-11-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1857 | 1457 | 0.00 | 2 | -0.16 | 40 | -6.40 | |
| | Ling, Evan | | | 1857 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Siamon, David | | | 1857 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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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