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Individual Calculations July 2022 |
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| Sperber, Ronald David Total change: 34.00 | |   |
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| 27th Annual Northeast Open - Under 2100 | Stamford, Connecticut | USA | 2022-06-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1568 | 1584 | 1.00 | 3 | -0.64 | 40 | -25.60 | |
|  Meredith, Matthew Derek | | | 2041 | USA | 0.00 | 1 | -0.05 | 40 | -2.00 | |  Wu, Jacob | | | 1435 | USA | 0.00 | 1 | -0.70 | 40 | -28.00 | | | Cheng, Claire Ziyun | | | 1228 | USA | 1.00 | 1 | 0.11 | 40 | 4.40 | |
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) | | | | 12th annual World Open Senior Amateur | Philadelphia, PA | USA | 2022-06-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1867 | 1584 | 1.50 | 4 | 0.67 | 40 | 26.80 | |
| | Casden, Alan | | | 2074 | USA | 0.00 | 1 | -0.04 | 40 | -1.60 | | | Kampel, Guido | | | 1901 | ARG | 0.50 | 1 | 0.37 | 40 | 14.80 | | | Hrop, Stephen | | | 1961 | USA | 0.50 | 1 | 0.41 | 40 | 16.40 | | | Friedson, Jon | | | 1531 | USA | 0.50 | 1 | -0.07 | 40 | -2.80 | |
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) | | | | 16th Annual Philadelphia Open - Under 2100 | Philadelphia, Pennsylvania | USA | 2022-06-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1846 | 1584 | 1.00 | 1 | 0.82 | 40 | 32.80 | |
| | Young, Vanita | | | 1846 | USA | 1.00 | 1 | 0.82 | 40 | 32.80 | |
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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