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Individual Calculations December 2017 |
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| Forney, Robert Total change: 5.60 | |   |
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| CK&Q October FIDE League | Piscataway, New Jersey | USA | 2017-10-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2206 | 1875 | 0.50 | 3 | 0.12 | 40 | 4.80 | |
|  Busygin, Stanislav | | | 2180 | USA | 0.50 | 1 | 0.36 | 40 | 14.40 | | | Brodsky, David | m | | 2275 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Privman, Boris | f | | 2162 | USA | 0.00 | 1 | -0.16 | 40 | -6.40 | | | * 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) | | | | 48th Annual National Chess Congress | Philadelphia, Pennsylvania | USA | 2017-11-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1951 | 1843 | 1.50 | 4 | 0.02 | 40 | 0.80 | |
| | Lu, Maximillian | f | | 2112 | USA | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Luo, Ryan | | | 1797 | USA | 1.00 | 1 | 0.44 | 40 | 17.60 | | | Tanenbaum, Zachary | | | 2091 | USA | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Ngo, Bach | | | 1803 | USA | 0.50 | 1 | -0.06 | 40 | -2.40 | |
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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