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Individual Calculations February 2018 |
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| Brattain, Mika Total change: -5.10 | |   |
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| 27th Annual North American Open | Las Vegas, Nevada | USA | 2017-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2241 | 2404 | 6.00 | 9 | -0.33 | 10 | -3.30 | |
|  Yang, Kevin | | | 2099 | USA | 0.50 | 1 | -0.36 | 10 | -3.60 | |  Murugappan, Ganesh | | | 2098 | USA | 0.50 | 1 | -0.36 | 10 | -3.60 | | | Peng, Shunkai | f | | 2193 | CHN | 0.50 | 1 | -0.27 | 10 | -2.70 | | | Gorti, Akshita | f | wm | 2194 | USA | 1.00 | 1 | 0.23 | 10 | 2.30 | | | Yoo, Christopher Woojin | f | | 2254 | USA | 0.50 | 1 | -0.20 | 10 | -2.00 | | | Talyansky, Seth | c | | 2259 | USA | 1.00 | 1 | 0.31 | 10 | 3.10 | | | Kolev, Atanas | g | | 2552 | FID | 0.50 | 1 | 0.20 | 10 | 2.00 | | | Aaron, Deepak | | | 2307 | USA | 0.50 | 1 | -0.13 | 10 | -1.30 | | | Lehmann, Spencer | | | 2209 | USA | 1.00 | 1 | 0.25 | 10 | 2.50 | |
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) | | | | 50th Annual Liberty Bell Open | Philadelphia, Pennsylvania | USA | 2018-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2269 | 2404 | 3.00 | 5 | -0.18 | 10 | -1.80 | |
| | Lenderman, Aleksandr | g | | 2611 | USA | 0.00 | 1 | -0.23 | 10 | -2.30 | | | Chasin, Nico | f | | 2019 | USA | 0.50 | 1 | -0.41 | 10 | -4.10 | | | Schwartz, Maxwell | | | 2059 | USA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Tanenbaum, Zachary | | | 2090 | USA | 1.00 | 1 | 0.14 | 10 | 1.40 | | | Erenburg, Sergey | g | | 2564 | USA | 0.50 | 1 | 0.21 | 10 | 2.10 | |
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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