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Individual Calculations August 2023 |
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| Winters, Lance A Total change: -22.00 | |   |
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| 51st annual World Open - U2200 | Philadelphia, PA | USA | 2023-06-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1724 | 1808 | 4.50 | 9 | -0.77 | 20 | -15.40 | |
|  Su, Kevin | | | 1946 | USA | 0.00 | 1 | -0.31 | 20 | -6.20 | |  Wang, Rocky | | | 1433 | USA | 0.50 | 1 | -0.41 | 20 | -8.20 | | | Friske, Thomas | | | 1779 | USA | 1.00 | 1 | 0.46 | 20 | 9.20 | | | Lombardi, Oliver P | | | 1947 | USA | 0.50 | 1 | 0.19 | 20 | 3.80 | | | Hood, Avery | | | 1863 | USA | 0.00 | 1 | -0.42 | 20 | -8.40 | | | Zhao, Kevin | | | 1576 | USA | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Harrison, Joshua Alan | | | 1964 | USA | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Wakida, Ken | | | 1467 | USA | 0.50 | 1 | -0.38 | 20 | -7.60 | | | Shrigadi, Aryan | | | 1544 | USA | 1.00 | 1 | 0.18 | 20 | 3.60 | |
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) | | | | 24th annual Pittsburgh Open - U2100 | Pittsburgh, PA | USA | 2023-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1583 | 1822 | 2.00 | 3 | -0.33 | 20 | -6.60 | |
| | Demetruk, David E | | | 1728 | USA | 1.00 | 1 | 0.37 | 20 | 7.40 | | | Chovanec, Alice | | | 1599 | USA | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Timmons, Sam | | | 1422 * | USA | 0.00 | 1 | -0.92 | 20 | -18.40 | | | * 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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