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Individual Calculations September 2021 |
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| Klein, Jack Total change: -39.20 | |   |
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| 2021 North American Youth Chess Championships - Open Under 18 | Chicago, Illinois | USA | 2021-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2006 | 1918 | 1.50 | 6 | -0.98 | 40 | -39.20 | |
|  Shlyakhtenko, Robert | f | | 2318 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Tsay, Vincent | f | | 2315 | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Reddy, Shreyas C | | | 1839 | USA | 0.00 | 1 | -0.61 | 40 | -24.40 | | | Li, Eric Yuhan | f | | 2266 | USA | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Shah, Kai Mahesh | | | 1781 | USA | 1.00 | 1 | 0.32 | 40 | 12.80 | | | Major, Richard | | | 1518 * | USA | 0.50 | 1 | -0.42 | 40 | -16.80 | | | * 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) | | |
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