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Individual Calculations September 2023 |
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| Fang, Zelin Total change: -16.40 | |   |
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| XXXIII Pan-American Youth Chess Festival - Under 10 Open | Chicago, IL | USA | 2023-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1411 | 1431 | 2.50 | 5 | -0.14 | 40 | -5.60 | |
|  Dong, Kyle Qiyu | | | 1830 | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Quispe Farfan, Edgar Matteo | | | 1037 | PER | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Campos Gorgonio, Eduardo Arturo | | | 1311 | MEX | 0.00 | 1 | -0.66 | 40 | -26.40 | | | Escalante Rossi, Eric Rafael | | | 1117 | PER | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Iranian Prabhu Kumar, Ashwin | | | 1760 | USA | 0.50 | 1 | 0.38 | 40 | 15.20 | |
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) | | | | 1000GM 2023 August Bona FIDE Swiss - U2000 | Sunnyvale, CA | USA | 2023-08-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1383 | 1431 | 2.00 | 4 | -0.27 | 40 | -10.80 | |
| | Vale Cruz, Armin | | | 1509 | USA | 0.00 | 1 | -0.39 | 40 | -15.60 | | | Yi, Colin | | | 1323 | USA | 0.50 | 1 | -0.15 | 40 | -6.00 | | | Cao, Daniel | | | 1316 | USA | 1.00 | 1 | 0.34 | 40 | 13.60 | | | Pan, Roger | | | 1382 | 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) | | |
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