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Individual Calculations February 2019 |
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| Jaffe, Joel Total change: -20.00 | |   |
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| 2018 Pan-American Intercollegiate Team Championship | Burlingame, California | USA | 2018-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1983 | 1992 | 2.50 | 6 | -0.50 | 40 | -20.00 | |
|  Grabinsky, Aaron | | | 2350 | USA | 0.50 | 1 | 0.40 | 40 | 16.00 | |  Waranch, Samuel | | | 1744 | USA | 0.50 | 1 | -0.31 | 40 | -12.40 | | | Bellissimo, Joseph F. | | | 2124 | CAN | 0.00 | 1 | -0.32 | 40 | -12.80 | | | Mo, Jack | | | 2048 | USA | 0.50 | 1 | 0.08 | 40 | 3.20 | | | Singler, Jonathon | | | 1592 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Chiang, Sarah | | wf | 2042 | USA | 0.00 | 1 | -0.43 | 40 | -17.20 | | | * 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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