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Individual Calculations July 2023 |
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| Zhang, Yuanchen Total change: -12.00 | |   |
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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 |
| 2271 | 2306 | 4.00 | 8 | -0.28 | 20 | -5.60 | |
|  Wisniowski, Natalie | | wc | 1960 | USA | 1.00 | 1 | 0.11 | 20 | 2.20 | |  Liang, Jason | m | | 2530 | USA | 0.50 | 1 | 0.28 | 20 | 5.60 | | | Kaplan, Avi Harrison | | | 2146 | USA | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Schmakel, Sam A | m | | 2420 | USA | 1.00 | 1 | 0.66 | 20 | 13.20 | | | Wang, Jason | m | | 2425 | USA | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Kevlishvili, Robby | g | | 2541 | NED | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Puckett, Matthew | | | 2136 | USA | 0.00 | 1 | -0.72 | 20 | -14.40 | | | Nandhakumar, Vaseegaran | | | 2009 | USA | 0.50 | 1 | -0.35 | 20 | -7.00 | |
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) | | | | 16th annual Philadelphia International | Philadelphia, PA | USA | 2023-06-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2161 | 2293 | 5.50 | 9 | -0.32 | 20 | -6.40 | |
| | Aravindakshan, Sahana | | | 1893 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Rahul, Srivatshav Peddi | g | | 2470 | IND | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Weisz, Bryan A | | | 1973 | USA | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Paragua, Mark | g | | 2447 | PHI | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Wongso, Steve | | | 2069 | USA | 0.50 | 1 | -0.28 | 20 | -5.60 | | | Senft, Sean | | | 2081 | USA | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Shmelov, Denys | m | | 2420 | UKR | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Nasta, Kiren | | | 1958 | USA | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Sun, Ryan | c | | 2137 | USA | 1.00 | 1 | 0.29 | 20 | 5.80 | | | * 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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