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Individual Calculations September 2023 |
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| Xiao, Marina Total change: 68.00 | |   |
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| 1000GM Summer Championship - 1800-2099 | Sunnyvale, CA | USA | 2023-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1469 | 1461 | 2.50 | 6 | -0.42 | 40 | -16.80 | |
|  Dash, Rohan | | | 1521 | SGP | 0.00 | 1 | -0.42 | 40 | -16.80 | |  Perlov, Daniel Rob | | | 1578 | USA | 1.00 | 1 | 0.66 | 40 | 26.40 | | | Sethuraman, Anand | | | 1513 | USA | 0.00 | 1 | -0.43 | 40 | -17.20 | | | Penagalapati, Anvi | | | 1402 | USA | 0.50 | 1 | -0.08 | 40 | -3.20 | | | Ho, Michael S | | | 1538 | USA | 0.00 | 1 | -0.39 | 40 | -15.60 | | | Pramod, Pranavi | | | 1261 | USA | 1.00 | 1 | 0.24 | 40 | 9.60 | |
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) | | | | XXXIII Pan-American Youth Chess Festival - Under 14 Female | Chicago, IL | USA | 2023-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1549 | 1403 | 3.50 | 7 | 1.27 | 40 | 50.80 | |
| | Ananth, Ananya | | | 1759 | USA | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Doan, Emilyn Chiu | | | 1118 | USA | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Zhang, Kylie | | | 1673 | USA | 0.50 | 1 | 0.33 | 40 | 13.20 | | | Silva, Juliana Figueira Theophil | | | 1671 | BRA | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Jiang, Hanxi | | | 1559 | CAN | 1.00 | 1 | 0.71 | 40 | 28.40 | | | Herrada, Blanco Maria Fernanda | | | 1545 | PER | 0.00 | 1 | -0.31 | 40 | -12.40 | | | Li, Emma | | | 1520 | USA | 1.00 | 1 | 0.66 | 40 | 26.40 | |
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) | | | | 1000GM 2023 August Bona FIDE Swiss - U2000 | Sunnyvale, CA | USA | 2023-08-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1348 | 1403 | 2.00 | 2 | 0.85 | 40 | 34.00 | |
| | Cao, Daniel | | | 1316 | USA | 1.00 | 1 | 0.38 | 40 | 15.20 | | | Bhingarkar, Pratyush | | | 1379 | USA | 1.00 | 1 | 0.47 | 40 | 18.80 | |
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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