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Individual Calculations January 2020 |
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| Ni, Winston Total change: -6.00 | |   |
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| 50th Annual National Chess Congress | Philadelphia, Pennsylvania | USA | 2019-11-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2064 | 2091 | 3.00 | 5 | 0.31 | 40 | 12.40 | |
|  Bartell, Thomas | m | | 2376 | USA | 0.00 | 1 | -0.16 | 40 | -6.40 | |  Boris, Peter Theodore | | | 1870 | USA | 0.00 | 1 | -0.78 | 40 | -31.20 | | | De Dona, Mark | | | 1912 | USA | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Cheung, Ryan | | | 1914 | USA | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Narayanan, Samrug | c | | 2248 | USA | 1.00 | 1 | 0.71 | 40 | 28.40 | |
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) | | | | 38th Annual Empire City Open | New York, New York | USA | 2019-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2100 | 2091 | 2.50 | 6 | -0.46 | 40 | -18.40 | |
| | Hu, Alexander | | | 1801 | USA | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Brodsky, David | m | | 2466 | USA | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Cheung, Ryan | | | 1914 | USA | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Samadashvili, Martha | | wf | 2170 | USA | 0.50 | 1 | 0.11 | 40 | 4.40 | | | Hallayeva, Bahar | | wf | 2103 | TKM | 0.00 | 1 | -0.48 | 40 | -19.20 | | | Mirabile, Tim | | | 2143 | USA | 0.00 | 1 | -0.43 | 40 | -17.20 | |
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) | | |
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