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Individual Calculations August 2017 |
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| Jacobson, Brandon Total change: 52.40 | |   |
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| 45th Annual World Open | Philadelphia, Pennsylvania | USA | 2017-06-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2313 | 2210 | 4.00 | 8 | 0.94 | 40 | 37.60 | |
|  Xiong, Jeffery | g | | 2610 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Juac, Majur | | | 2082 | USA | 1.00 | 1 | 0.33 | 40 | 13.20 | | | Laxman, R.r. | g | | 2421 | IND | 0.50 | 1 | 0.27 | 40 | 10.80 | | | Aldama Degurnay, Dionisio | m | | 2385 | MEX | 0.50 | 1 | 0.23 | 40 | 9.20 | | | Brown, Michael William | m | | 2489 | USA | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Hrach, Jonathan | | | 2043 | USA | 1.00 | 1 | 0.28 | 40 | 11.20 | | | Zhu, Jack Q | | | 2400 | USA | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Peterson, Chris | | | 2075 | USA | 1.00 | 1 | 0.32 | 40 | 12.80 | | | * 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) | | | NOTE: K factor changed | | Marshall July 2017 Weekend FIDE | New York, New York | USA | 2017-07-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2131 | 2332 | 4.50 | 5 | 0.86 | 20 | 17.20 | |
| | Berg, George P | | | 1980 | USA | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Shepherd, Duncan | | | 1932 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Brodsky, David | f | | 2397 | USA | 0.50 | 1 | 0.09 | 20 | 1.80 | | | Juac, Majur | | | 2138 | USA | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Kumar, Aravind | f | | 2207 | USA | 1.00 | 1 | 0.33 | 20 | 6.60 | | | * 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) | | | NOTE: K factor changed | | 2017 North American Youth Chess Championship - U16 | Morristown, New Jersey | USA | 2017-07-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2091 | 2332 | 7.00 | 9 | -0.12 | 20 | -2.40 | |
| | Liu, Zhanhe | | | 1980 | CAN | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Rodrigue-Lemieux, Shawn | f | | 2118 | CAN | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Yoo, Christopher Woojin | | | 2166 | USA | 0.00 | 1 | -0.72 | 20 | -14.40 | | | Nguyen, Trung | f | | 2146 | USA | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Liang, Hairan | | | 2107 | CAN | 0.00 | 1 | -0.78 | 20 | -15.60 | | | Qi, Henry | | | 1975 | USA | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Potula, Kapish | | | 2021 | USA | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Cai, Jason | | | 2134 | CAN | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Doknjas, Joshua | c | | 2171 | CAN | 1.00 | 1 | 0.29 | 20 | 5.80 | |
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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