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Individual Calculations January 2017 |
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| Samuelson, Andrew Total change: 4.40 | |   |
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| 47th Annual National Chess Congress | Philadelphia, Pennsylvania | USA | 2016-11-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2207 | 2262 | 3.00 | 5 | 0.05 | 20 | 1.00 | |
|  Jian, Alex | | | 2143 | USA | 0.50 | 1 | -0.16 | 20 | -3.20 | |  Yakubov, Mardon | | | 2100 | UZB | 0.50 | 1 | -0.21 | 20 | -4.20 | | | Wang, Wesley | c | | 2076 | USA | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Nguyen, Trung | f | | 2065 | USA | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Dreev, Aleksey | g | | 2652 | RUS | 0.00 | 1 | -0.09 | 20 | -1.80 | |
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) | | | | Northern Virginia Chess League Season 2 Round 5 | Sterling, Virginia | USA | 2016-12-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1997 | 2265 | 1.00 | 1 | 0.17 | 20 | 3.40 | |
| | Weissbarth, Daniel | | | 1997 | USA | 1.00 | 1 | 0.17 | 20 | 3.40 | |
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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