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Individual Calculations August 2017 |
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| West, Vanessa A Total change: -46.80 | |   |
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| 2017 National Open | Las Vegas, Nevada | USA | 2017-06-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2197 | 2063 | 0.50 | 4 | -0.89 | 20 | -17.80 | |
|  Gurevich, Dmitry | g | | 2454 | USA | 0.00 | 1 | -0.09 | 20 | -1.80 | | | Breckenridge, Steven | f | | 2239 | USA | 0.00 | 1 | -0.27 | 20 | -5.40 | |  Quirke, Jeffrey | | | 2186 | USA | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Mohan, Dave | | | 1910 | USA | 0.50 | 1 | -0.20 | 20 | -4.00 | |
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) | | | | Bay Area Chess Mid Summer Night Championship | Milpitas, California | USA | 2017-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1784 | 2063 | 1.00 | 3 | -1.45 | 20 | -29.00 | |
| | Ai, Evan Zihao | | | 1755 | USA | 0.00 | 1 | -0.86 | 20 | -17.20 | | | McCumiskey, John P | | | 1663 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Vidyarthi, Vyom | | | 1934 | USA | 0.00 | 1 | -0.67 | 20 | -13.40 | | | * 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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