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Individual Calculations December 2017 |
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| Mandelkern, Jeremy Total change: -17.60 | |   |
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| 16th Annual Turkey Bowl | Sunrise, Florida | USA | 2017-11-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2046 | 2079 | 0.50 | 3 | -1.17 | 20 | -23.40 | |
|  Becerra Rivero, Julio | g | | 2479 * | USA | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Lee Jr, Gabriel | | | 1918 | USA | 0.00 | 1 | -0.71 | 20 | -14.20 | | | Yang, Andy | | | 1742 | USA | 0.50 | 1 | -0.38 | 20 | -7.60 | | | * 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) | | | | 53rd Annual American Open | Costa Mesa, California | USA | 2017-11-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2108 | 2079 | 4.00 | 8 | 0.29 | 20 | 5.80 | |
| | Kambrath, Yannick | f | | 2332 | FRA | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Yanayt, Eugene | f | | 2164 | USA | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Kolay, Alex | | | 2045 | USA | 0.50 | 1 | -0.05 | 20 | -1.00 | | | Zhou, Aiden | | | 1890 | CAN | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Menon, Gopal | | | 2226 | USA | 0.50 | 1 | 0.20 | 20 | 4.00 | | | Zaloznyy, Mike | | | 2094 | USA | 0.50 | 1 | 0.02 | 20 | 0.40 | | | Xia, Brandon Yang | | | 1968 | USA | 1.00 | 1 | 0.35 | 20 | 7.00 | | | Andrenko, Irina | | wm | 2147 | UKR | 0.50 | 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) | | |
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