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Individual Calculations August 2023 |
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| Chen, Justin Total change: 1.40 | |   |
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| 51st annual World Open - Open | Philadelphia, PA | USA | 2023-06-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2157 | 2333 | 6.00 | 9 | -0.32 | 20 | -6.40 | |
|  Kudryavtsev, Vadim | | | 1934 | RUS | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Wilson, Ronen | | | 2064 | USA | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Matviishen, Viktor | g | | 2538 | UKR | 0.50 | 1 | 0.26 | 20 | 5.20 | | | Mikaelyan, Arman | g | | 2523 | ARM | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Duong, Nha Thanh | m | | 2082 | CAN | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Gao, Marvin | c | | 1968 | USA | 0.00 | 1 | -0.90 | 20 | -18.00 | | | Adu, Oladapo Olutola | m | | 2071 | NGR | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Padhye, Rohan | | | 2110 | USA | 0.50 | 1 | -0.28 | 20 | -5.60 | | | Girsh, Daniel | | | 2123 | USA | 1.00 | 1 | 0.23 | 20 | 4.60 | |
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) | | | | 53rd annual Continental Open - Premier | Marlborough, MA | USA | 2023-07-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2139 | 2375 | 5.50 | 7 | 0.39 | 20 | 7.80 | |
| | Qian, Bobby | | | 1906 | USA | 1.00 | 1 | 0.05 | 20 | 1.00 | | | Glashausser, Sho | | | 1924 | USA | 0.50 | 1 | -0.44 | 20 | -8.80 | | | Guillemette, Hugo | | | 1955 | CAN | 1.00 | 1 | 0.07 | 20 | 1.40 | | | Shah, Ansh Milinkumar | | | 2173 | IND | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Zhou, Jianchao | g | | 2540 | CHN | 0.50 | 1 | 0.22 | 20 | 4.40 | | | Ling, Chenxuan | | | 1975 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Perelshteyn, Eugene | g | | 2503 | USA | 0.50 | 1 | 0.17 | 20 | 3.40 | | | * 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) | | |
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