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Individual Calculations September 2023 |
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| Meyer-Chabris, Caleb Total change: 52.80 | |   |
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| 10th Annual Potomac Open - U2200 | Rockville, MD | USA | 2023-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1719 | 1643 | 1.50 | 4 | -0.08 | 40 | -3.20 | |
|  Fischer, Robert J | | | 1790 | USA | 0.00 | 1 | -0.30 | 40 | -12.00 | |  Tyrrell, Benjamin | | | 1716 | USA | 0.00 | 1 | -0.40 | 40 | -16.00 | | | Balakrishnan, Naveen | | | 1618 | USA | 1.00 | 1 | 0.47 | 40 | 18.80 | | | Ho, Ryan | | | 1753 | USA | 0.50 | 1 | 0.15 | 40 | 6.00 | |
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) | | | | 2nd Annual Beltway Open | Herndon, Virginia | USA | 2023-08-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1919 | 1655 | 2.50 | 5 | 1.40 | 40 | 56.00 | |
| | Tay, Brian | | | 1915 | USA | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Perez, Ceriochi Ortiz | | | 2217 | CUB | 1.00 | 1 | 0.98 | 40 | 39.20 | | | Gilruth, Peter | | | 1981 | KEN | 0.50 | 1 | 0.37 | 40 | 14.80 | | | Collier, Philip M | | | 1723 | USA | 1.00 | 1 | 0.59 | 40 | 23.60 | | | Ananth, Ananya | | | 1759 | USA | 0.00 | 1 | -0.36 | 40 | -14.40 | |
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) | | |
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