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Individual Calculations July 2023 |
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| Wu, Derek Total change: -6.40 | |   |
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| 2023 1000GM Memorial Day Scheveningen Norm | Sunnyvale, CA | USA | 2023-05-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2224 | 2209 | 4.50 | 9 | 0.19 | 20 | 3.80 | |
|  Sathish, Pranav | | | 2154 | USA | 0.50 | 1 | -0.08 | 20 | -1.60 | |  Yan, Nathan | | | 2096 | USA | 0.50 | 1 | -0.15 | 20 | -3.00 | | | Liu, Patrick | | | 2076 | USA | 0.00 | 1 | -0.68 | 20 | -13.60 | | | Xie, Bryan | c | | 2361 | USA | 1.00 | 1 | 0.70 | 20 | 14.00 | | | Guo, Andrew | | | 2313 | USA | 0.50 | 1 | 0.14 | 20 | 2.80 | | | Eswaran, Ashritha | f | wm | 2278 | USA | 0.00 | 1 | -0.40 | 20 | -8.00 | | | Bansal, Advay | | | 2274 | USA | 1.00 | 1 | 0.59 | 20 | 11.80 | | | Liang, Yu-Cheng | | | 2215 | USA | 0.50 | 1 | 0.01 | 20 | 0.20 | | | Maiti, Milind | f | | 2250 | USA | 0.50 | 1 | 0.06 | 20 | 1.20 | |
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) | | | | 2023 National Open | Las Vegas, NV | USA | 2023-06-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2240 | 2199 | 3.00 | 5 | 0.78 | 20 | 15.60 | |
| | Weng, Nicholas | | | 1799 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Hong, Andrew | g | | 2517 | USA | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Kudryavtsev, Vadim | | | 1934 | RUS | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Zhou, Jianchao | g | | 2546 | CHN | 1.00 | 1 | 0.89 | 20 | 17.80 | | | Leiva, Gianmarco | m | | 2405 | PER | 0.00 | 1 | -0.24 | 20 | -4.80 | | | * 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) | | | | 16th annual Philadelphia International | Philadelphia, PA | USA | 2023-06-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2155 | 2199 | 1.50 | 5 | -1.29 | 20 | -25.80 | |
| | Leiva, Giuseppe | m | | 2405 | PER | 0.50 | 1 | 0.26 | 20 | 5.20 | | | Bellahcene, Bilel | g | | 2497 | ALG | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Guha, Eshan | | | 1991 | USA | 0.00 | 1 | -0.77 | 20 | -15.40 | | | Rowe, Duane | c | | 1979 | JAM | 0.00 | 1 | -0.78 | 20 | -15.60 | | | Jing, Andrew | | | 1905 | USA | 1.00 | 1 | 0.15 | 20 | 3.00 | |
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) | | |
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