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Individual Calculations October 2017 |
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| Zapata, Alonso Total change: -4.30 | |   |
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| 2017 American Chess Promotions Open | Chamblee, Georgia | USA | 2017-09-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2212 | 2428 | 2.50 | 4 | -0.43 | 10 | -4.30 | |
|  Finegold, Benjamin | g | | 2488 | USA | 0.50 | 1 | 0.08 | 10 | 0.80 | |  Jie, Tianhui | | | 2028 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Moon, Benjamin | | | 2299 | USA | 0.00 | 1 | -0.67 | 10 | -6.70 | | | Wang, Kevin | | | 2034 | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | * 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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