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Individual Calculations September 2023 |
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| Fang, Arabella Total change: 36.80 | |   |
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| 10th Annual Potomac Open - U2200 | Rockville, MD | USA | 2023-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1686 | 1541 | 2.00 | 4 | 0.71 | 40 | 28.40 | |
|  Yagiz, Bora | | | 1808 | TUR | 0.00 | 1 | -0.18 | 40 | -7.20 | |  Ayyappan, Santhosh | | | 1484 | USA | 1.00 | 1 | 0.42 | 40 | 16.80 | | | Power, Sean K | | | 1667 | USA | 0.00 | 1 | -0.33 | 40 | -13.20 | | | Wang, William | | | 1783 | USA | 1.00 | 1 | 0.80 | 40 | 32.00 | |
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) | | | | 1st Annual Pennsylvania Classic | Langhorne, Pennsylvania | USA | 2023-07-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1664 | 1541 | 1.50 | 4 | 0.07 | 40 | 2.80 | |
| | Jack, Lieberman | | | 1735 | USA | 0.50 | 1 | 0.25 | 40 | 10.00 | | | Chakka, Pardhav | | | 1888 | USA | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Eden, You | | | 1608 | USA | 0.50 | 1 | 0.09 | 40 | 3.60 | | | Rishi, Madiraju | | | 1424 | USA | 0.50 | 1 | -0.16 | 40 | -6.40 | |
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) | | | | XXXIII Pan-American Youth Chess Festival - Under 12 Female | Chicago, IL | USA | 2023-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1415 | 1535 | 6.00 | 9 | 0.14 | 40 | 5.60 | |
| | Flores Lopez, Isabella | | | 1126 | MEX | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Gao, Lilianna | | | 1373 | USA | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Li, Audrey Keyan | | | 1397 | USA | 1.00 | 1 | 0.31 | 40 | 12.40 | | | Zhang, Ellery | | | 1388 | USA | 1.00 | 1 | 0.30 | 40 | 12.00 | | | Chen, Rae | | | 1198 | CAN | 0.50 | 1 | -0.38 | 40 | -15.20 | | | Mollo Figueroa, Iris Nicole | | | 1450 | BOL | 0.50 | 1 | -0.12 | 40 | -4.80 | | | Paragua, Megan Althea | | | 1924 | USA | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Pardo Useche, Laura Valentina | | | 1392 | COL | 1.00 | 1 | 0.31 | 40 | 12.40 | | | Ram, Jwalanthi | | | 1491 | USA | 0.00 | 1 | -0.56 | 40 | -22.40 | |
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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