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Individual Calculations July 2023 |
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| Tang, Zoey Total change: -57.60 | |   |
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| 32nd annual Chicago Open - Open Section | Wheeling, IL | USA | 2023-05-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2120 | 2348 | 5.00 | 9 | -1.82 | 20 | -36.40 | |
|  McConnell, Griffin Thomas | | | 1995 | USA | 1.00 | 1 | 0.11 | 20 | 2.20 | |  Velazquez, Kevin | | | 1988 | USA | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Zhou, Jianchao | g | | 2555 | CHN | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Jiang, Andrew | | | 2201 | USA | 0.50 | 1 | -0.20 | 20 | -4.00 | | | Rajanish, Adhvaith | | | 1948 * | USA | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Ehsani, Yassamin | | wf | 2037 | USA | 0.50 | 1 | -0.36 | 20 | -7.20 | | | Nguyen, James L | | | 2088 | USA | 0.50 | 1 | -0.32 | 20 | -6.40 | | | Pompe, Niko | | | 2007 | SLO | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Antova, Gabriela | f | wm | 2259 | BUL | 0.50 | 1 | -0.12 | 20 | -2.40 | | | * 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) | | | | 2023 National Open | Las Vegas, NV | USA | 2023-06-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2236 | 2348 | 4.50 | 9 | -1.06 | 20 | -21.20 | |
| | Aipa, Likeke | | | 1896 | USA | 1.00 | 1 | 0.06 | 20 | 1.20 | | | Kodarapu, Ishaan | | | 1948 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Mikaelyan, Arman | g | | 2523 | ARM | 0.50 | 1 | 0.23 | 20 | 4.60 | | | Hong, Andrew | g | | 2517 | USA | 0.00 | 1 | -0.28 | 20 | -5.60 | | | Ghazaryan Jr, Raffi D | | | 2174 | ARM | 0.50 | 1 | -0.23 | 20 | -4.60 | | | Xu, Arthur | f | | 2133 | USA | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Zhou, Jianchao | g | | 2546 | CHN | 0.00 | 1 | -0.24 | 20 | -4.80 | | | De La Colina, Nicolas | | | 2199 | USA | 0.50 | 1 | -0.20 | 20 | -4.00 | | | Costello, Alexander | m | | 2186 | USA | 0.00 | 1 | -0.71 | 20 | -14.20 | | | * 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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