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Individual Calculations November 2017 |
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| O`connor, Derek Total change: -35.40 | |   |
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| Peter Grey Memorial 2017 Tuesday Night Marathon | San Francisco, California | USA | 2017-08-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2065 | 2213 | 5.00 | 8 | -0.36 | 20 | -7.20 | |
|  Chan, John | | | 1813 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Babayan, Gagik | | | 1813 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Khristoforov, Sergey | | | 2011 | RUS | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Stearman, Josiah | f | | 2171 | USA | 0.50 | 1 | -0.06 | 20 | -1.20 | | | Winslow, Elliott | m | | 2230 | USA | 0.00 | 1 | -0.48 | 20 | -9.60 | | | Fuentes, Romulo | | | 2143 | USA | 1.00 | 1 | 0.40 | 20 | 8.00 | | | Ivanov, Aleksandr | | | 2105 | USA | 0.50 | 1 | -0.15 | 20 | -3.00 | | | Diaz, Conrado | | | 2234 | PHI | 0.00 | 1 | -0.47 | 20 | -9.40 | | | * 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) | | | | 35th Annual Sands Regency Reno - Western States Open | Reno, Nevada | USA | 2017-10-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2110 | 2235 | 2.50 | 6 | -1.41 | 20 | -28.20 | |
| | Somalwar, Anaiy | | | 1888 | USA | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Kolev, Atanas | g | | 2553 | FID | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Ghazarian, Kirk | | | 1959 | USA | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Kolay, Alex | | | 1985 | USA | 0.50 | 1 | -0.31 | 20 | -6.20 | | | Kretchetov, Alexandre | f | | 2249 | RUS | 0.00 | 1 | -0.48 | 20 | -9.60 | | | Murugappan, Ganesh | | | 2028 | USA | 0.00 | 1 | -0.77 | 20 | -15.40 | |
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) | | |
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