Individual Calculations August 2023 |
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De Dona, Thomas Total change: 0.00 | | ![Rating chart](/imga/chart.gif) ![Personal card](/imga/card.gif) |
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13th annual World Open Senior Amateur | Philadelphia, PA | USA | 2023-06-28 |
Rc | Ro | w | n | change | Rp | K | K*chg | Game |
1490 | 0 | 0.00 | 3 | 0.00 | 690 | | 0.00 | |
| Pritchett, Peter W | | | 1659 | USA | 0.00 | 1 | 0.00 | | 0.00 | | Sperber, Ronald David | | | 1527 | USA | 0.00 | 1 | 0.00 | | 0.00 | | Moss, Peter | | | 1285 | USA | 0.00 | 1 | 0.00 | | 0.00 | | 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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