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Individual Calculations September 2019 |
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| Guo, Arthur Total change: -50.80 | |   |
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| 8th Annual Washington International | Rockville, Maryland | USA | 2019-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2218 | 2284 | 4.50 | 9 | -0.73 | 20 | -14.60 | |
|  Zong, Davis | | | 2058 | USA | 0.50 | 1 | -0.29 | 20 | -5.80 | |  Zhang, Yuanchen | f | | 2261 | CAN | 0.00 | 1 | -0.53 | 20 | -10.60 | | | Wu, Logan | | | 2198 | USA | 1.00 | 1 | 0.38 | 20 | 7.60 | | | Indusekar, Akshay | | | 2101 | USA | 0.00 | 1 | -0.74 | 20 | -14.80 | | | Liang, Jason | | | 2049 | USA | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Mathur, Rithwik | | | 2043 | USA | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Santarius, Erik | m | | 2403 | USA | 0.50 | 1 | 0.16 | 20 | 3.20 | | | Shetty, Atulya | m | | 2420 | USA | 0.50 | 1 | 0.18 | 20 | 3.60 | | | Brodsky, David | m | | 2432 | USA | 0.00 | 1 | -0.30 | 20 | -6.00 | |
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) | | | | 2019 Barber Tournament of K-8 Champions | Orlando, Florida | USA | 2019-08-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2020 | 2346 | 4.50 | 6 | -0.68 | 20 | -13.60 | |
| | Bao, Chris | | | 1946 * | USA | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Province, Cael | | | 1946 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Singh, Hersh | | | 1946 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Ngo, Bach | | | 2016 | USA | 0.50 | 1 | -0.38 | 20 | -7.60 | | | Narayanan, Samrug | c | | 2175 | USA | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Mardov, Dimitar | | | 2092 | USA | 0.50 | 1 | -0.31 | 20 | -6.20 | | | * 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) | | | | 2019 U.S. Masters Championship | Greensboro, North Carolina | USA | 2019-08-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2280 | 2346 | 3.50 | 8 | -1.13 | 20 | -22.60 | |
| | Swiercz, Dariusz | g | | 2670 | USA | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Jin, Ashton | | | 2115 | USA | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Karthik, Advaith | | | 1946 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Niemann, Hans Moke | m | | 2423 | USA | 0.00 | 1 | -0.39 | 20 | -7.80 | | | Thavandiran, Shiyam | m | | 2419 | CAN | 0.50 | 1 | 0.10 | 20 | 2.00 | | | Paul, Justin | f | | 2211 | USA | 0.50 | 1 | -0.18 | 20 | -3.60 | | | Morefield, Jason | f | | 2178 | USA | 0.00 | 1 | -0.72 | 20 | -14.40 | | | Francisco, Richard | | | 2276 | USA | 0.50 | 1 | -0.10 | 20 | -2.00 | | | * 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) | | |
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