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Individual Calculations October 2023 |
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| Zhou, Ruoyu Total change: 42.80 | |   |
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| 44th Annual Southern California Open - Open | Los Angeles, California | USA | 2023-09-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2008 | 1915 | 2.00 | 5 | 0.06 | 40 | 2.40 | |
|  Peters, Jack | m | | 2291 | USA | 0.50 | 1 | 0.41 | 40 | 16.40 | |  Wang, Alex | | | 2174 | USA | 0.50 | 1 | 0.32 | 40 | 12.80 | | | Miller, Ike S | | | 1964 | USA | 0.50 | 1 | 0.07 | 40 | 2.80 | | | Xu, Gordon | c | | 2002 | USA | 0.00 | 1 | -0.38 | 40 | -15.20 | | | Porat, Tori | | wc | 1610 | USA | 0.50 | 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) | | | | 2023 1000GM September Scheveningen C | Sunnyvale, CA | USA | 2023-09-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2160 | 1915 | 2.00 | 5 | 1.01 | 40 | 40.40 | |
| | Ramirez Gonzalez, Mauricio | f | | 2146 | VEN | 0.50 | 1 | 0.29 | 40 | 11.60 | | | Angeles Mercado, Anthony | | | 2097 | PER | 0.50 | 1 | 0.24 | 40 | 9.60 | | | Contreras, Henry | f | | 2151 | COL | 1.00 | 1 | 0.80 | 40 | 32.00 | | | Rodi, Luis Ernesto | m | | 2224 | URU | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Pinzon, Jairo | | | 2182 | COL | 0.00 | 1 | -0.18 | 40 | -7.20 | |
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) | | |
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