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Individual Calculations October 2021 |
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| Montgomery, John Lewis Total change: -24.00 | |   |
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| 87th Annual Southwest Open - Open | Irving, Texas | USA | 2021-09-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1902 | 1990 | 3.00 | 6 | -0.60 | 40 | -24.00 | |
|  Melillo, Lucius | | | 1605 | USA | 0.50 | 1 | -0.41 | 40 | -16.40 | |  Tsuei, Kai | | | 1645 | USA | 1.00 | 1 | 0.11 | 40 | 4.40 | | | Liu, Eric Chang | | | 2000 | USA | 0.50 | 1 | 0.01 | 40 | 0.40 | | | Kurtz, Eric | | | 2080 | USA | 0.00 | 1 | -0.38 | 40 | -15.20 | | | Dai, George Jingchang | | | 1691 | USA | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Preotu, Razvan | g | | 2390 * | CAN | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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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