Individual Calculations August 2023 |
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Sperber, Ronald David Total change: 13.60 | | |
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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 |
1711 | 1527 | 2.00 | 4 | 0.68 | 20 | 13.60 | |
| Rogers, Norman | f | | 2056 | USA | 0.00 | 1 | -0.03 | 20 | -0.60 | | Sankar, Swaminathan | | | 1272 | USA | 1.00 | 1 | 0.19 | 20 | 3.80 | | Sheppard, Dore A | | | 1908 | USA | 1.00 | 1 | 0.91 | 20 | 18.20 | | Huddleston, James | | | 1608 | USA | 0.00 | 1 | -0.39 | 20 | -7.80 | | 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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