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Individual Calculations February 2017 |
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| Kaufman, Ray Total change: -21.00 | |   |
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| 2017 New Year Open Championship | San Jose, California | USA | 2017-01-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2146 | 2304 | 1.50 | 3 | -0.58 | 20 | -11.60 | |
|  Zhu, Jack Qijie | | | 2346 | USA | 0.50 | 1 | 0.06 | 20 | 1.20 | |  Tsegmed, Munkhchuluun | | wf | 2035 | MGL | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Ke, Ivan | | | 2058 | USA | 0.00 | 1 | -0.81 | 20 | -16.20 | |
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) | | | | 8th Annual Golden State Open | Concord, California | USA | 2017-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2238 | 2304 | 3.00 | 6 | -0.47 | 20 | -9.40 | |
| | Feng, Justin | | | 1904 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Belous, Vladimir | g | | 2564 | RUS | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Ke, Ivan | | | 2058 | USA | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Heiserman, Jimmy | | | 2187 | USA | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Baryshpolets, Andrey | g | | 2571 | UKR | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Bick, Gabriel James | | | 2141 | USA | 0.00 | 1 | -0.72 | 20 | -14.40 | | | * 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) | | |
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