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Individual Calculations September 2021 |
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| Shen, Christopher Total change: -11.20 | |   |
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| 37th Annual GM Arnold Denker National Tournament of High School State Champions | Cherry Hill, New Jersey | USA | 2021-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2114 | 2354 | 4.00 | 6 | -0.64 | 20 | -12.80 | |
|  Colombo, Dominic | | | 1954 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Moor, Nathaniel Philip | | | 1954 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Vivekananthan, Anish | f | | 2328 | USA | 0.50 | 1 | -0.04 | 20 | -0.80 | | | Narayanan, Samrug | c | | 2180 | USA | 0.50 | 1 | -0.23 | 20 | -4.60 | | | Zhu, Neo | | | 2021 | USA | 0.50 | 1 | -0.38 | 20 | -7.60 | | | Maiti, Milind | | | 2245 | USA | 0.50 | 1 | -0.15 | 20 | -3.00 | | | * 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) | | | | 1st Joe Yun Memorial Chess Tournament | Akron, Ohio | USA | 2021-08-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2163 | 2346 | 3.50 | 5 | 0.02 | 20 | 0.40 | |
| | Huang, Evan Y | | | 1946 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Thornton, Christian | | | 1946 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Posthuma, Joshua | f | | 2359 | USA | 0.50 | 1 | 0.02 | 20 | 0.40 | | | Bora, Safal | m | | 2420 | USA | 0.00 | 1 | -0.40 | 20 | -8.00 | | | Meekins, Kristopher C | | | 2146 | USA | 1.00 | 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) | | | | 2021 North American Youth Chess Championships - Open Under 18 | Chicago, Illinois | USA | 2021-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2208 | 2346 | 6.00 | 9 | 0.06 | 20 | 1.20 | |
| | Balderas Garza, Adolfo | | | 1946 * | MEX | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Atanasov, Anthony | f | | 2196 | CAN | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Li, Eric Yuhan | f | | 2266 | USA | 0.50 | 1 | -0.11 | 20 | -2.20 | | | Shlyakhtenko, Robert | f | | 2351 | USA | 1.00 | 1 | 0.51 | 20 | 10.20 | | | Mardov, Dimitar | f | | 2324 | USA | 0.00 | 1 | -0.53 | 20 | -10.60 | | | Peng, Shunkai | f | | 2281 | USA | 0.50 | 1 | -0.09 | 20 | -1.80 | | | Platnick, Elijah Samuel | | | 1946 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Tsay, Vincent | f | | 2315 | USA | 1.00 | 1 | 0.46 | 20 | 9.20 | | | Narayanan, Samrug | c | | 2245 | USA | 0.00 | 1 | -0.64 | 20 | -12.80 | | | * 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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