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Individual Calculations December 2022 |
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| Grabinsky, Aaron Total change: 4.80 | |   |
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| 2022 Houston Open Chess Championships - Open | Houston, TX | USA | 2022-11-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2181 | 2415 | 4.00 | 5 | 0.48 | 10 | 4.80 | |
|  Brack, Frank Edward | | | 2015 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Qin, Kevin | | | 1810 | CAN | 1.00 | 1 | 0.02 | 10 | 0.20 | | | Brodsky, David | g | | 2509 | USA | 0.50 | 1 | 0.13 | 10 | 1.30 | | | Dejmek, Mark W | | | 2038 | USA | 1.00 | 1 | 0.09 | 10 | 0.90 | | | Schitco, Ivan | g | | 2532 | MDA | 0.50 | 1 | 0.16 | 10 | 1.60 | | | * 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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