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Individual Calculations September 2019 |
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| Huang, Andy Total change: 8.20 | |   |
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| 8th Annual Washington International | Rockville, Maryland | USA | 2019-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2234 | 2292 | 3.50 | 7 | -0.52 | 20 | -10.40 | |
|  Chiu, Isaac | | | 2131 | USA | 0.50 | 1 | -0.21 | 20 | -4.20 | |  Liang, Jason | | | 2049 | USA | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Shetty, Atulya | m | | 2420 | USA | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Chen, Richard | f | | 2291 | CAN | 0.00 | 1 | -0.50 | 20 | -10.00 | | | Yanayt, Eugene | f | | 2274 | USA | 0.50 | 1 | -0.03 | 20 | -0.60 | | | Narayanan, Samrug | c | | 2200 | USA | 0.50 | 1 | -0.13 | 20 | -2.60 | | | Dukic, Zachary | | | 2275 | CAN | 1.00 | 1 | 0.48 | 20 | 9.60 | |
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) | | | | Campeonato Panamericano Sub-20 Absoluto, Bolivia 2019 | Cochabamba | BOL | 2019-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2176 | 2263 | 6.00 | 9 | 0.60 | 20 | 12.00 | |
| | Ticona Rocabado, Licael Roderick | | | 1863 * | BOL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Castellanos Villela, Alejandro | c | | 1985 | CHI | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Zhang, Derek | | | 2147 | USA | 0.00 | 1 | -0.66 | 20 | -13.20 | | | Titichoca Daza, Daniel | c | | 2143 | BOL | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Cardoso Cardoso, Jose Gabriel | f | | 2373 | COL | 0.50 | 1 | 0.15 | 20 | 3.00 | | | Acosta, Pablo Ismael | m | | 2440 | ARG | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Medrano, Sebastian | | | 2086 | BOL | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Donoso Diaz, Sebastian | f | | 2309 | CHI | 0.50 | 1 | 0.06 | 20 | 1.20 | | | Delgado Romero, Marco | | | 2236 | PER | 1.00 | 1 | 0.46 | 20 | 9.20 | | | * 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 NAYCC U18 Open | Kingston | CAN | 2019-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2160 | 2263 | 6.00 | 9 | 0.33 | 20 | 6.60 | |
| | Leong, Ryan | | | 1926 | CAN | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Samadashvili, Martha | | wf | 2086 | USA | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Ouellet, Maili-Jade | | wm | 2211 | CAN | 0.00 | 1 | -0.57 | 20 | -11.40 | | | Eidelman, Gabriel | | | 2133 | USA | 1.00 | 1 | 0.32 | 20 | 6.40 | | | Yip, Carissa | f | wm | 2300 | USA | 0.00 | 1 | -0.45 | 20 | -9.00 | | | Li, Max | | | 2113 | USA | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Chasin, Nico | f | | 2178 | USA | 1.00 | 1 | 0.38 | 20 | 7.60 | | | Zhang, Yuanchen | f | | 2305 | CAN | 0.00 | 1 | -0.44 | 20 | -8.80 | | | Ravuri, Vinesh | | | 2192 | USA | 1.00 | 1 | 0.40 | 20 | 8.00 | |
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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