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Individual Calculations August 2023 |
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| Carswell Jr, Herbert Total change: -58.40 | |   |
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| 13th annual World Open Senior Amateur | Philadelphia, PA | USA | 2023-06-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1723 | 2128 | 2.00 | 4 | -1.46 | 40 | -58.40 | |
|  Ladson, Preston | | | 1447 | USA | 1.00 | 1 | 0.01 | 40 | 0.40 | |  Pritchett, Peter W | | | 1659 | USA | 0.00 | 1 | -0.95 | 40 | -38.00 | | | Moss, Peter | | | 1728 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Rogers, Norman | f | | 2056 | USA | 0.00 | 1 | -0.60 | 40 | -24.00 | | | * 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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