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Individual Calculations January 2020 |
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| Wu, Derek Total change: 16.00 | |   |
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| 55th Annual American Open | Costa Mesa, California | USA | 2019-11-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2068 | 2040 | 5.00 | 8 | 1.22 | 40 | 48.80 | |
|  Bryant, John | m | | 2419 | USA | 0.00 | 1 | -0.09 | 40 | -3.60 | |  Wang, Alex Y | | | 1873 | USA | 0.50 | 1 | -0.22 | 40 | -8.80 | | | Shubin, Daniel | | | 1944 | USA | 0.50 | 1 | -0.13 | 40 | -5.20 | | | Kondakov, Adrian | c | | 1919 | USA | 1.00 | 1 | 0.34 | 40 | 13.60 | | | Atwell, Rose | | | 1817 | USA | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Kretchetov, Alexandre | f | | 2223 | RUS | 0.50 | 1 | 0.24 | 40 | 9.60 | | | Casella, Michael | f | | 2195 | USA | 0.50 | 1 | 0.21 | 40 | 8.40 | | | Wu, Rochelle | | wm | 2153 | USA | 1.00 | 1 | 0.65 | 40 | 26.00 | |
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) | | | | IM Donaldson Championship 2019 | San Francisco, California | USA | 2019-12-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2116 | 2040 | 0.00 | 2 | -0.82 | 40 | -32.80 | |
| | Kaufman, Ray | m | | 2269 | CAN | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Canessa, John Luca | | | 1962 | USA | 0.00 | 1 | -0.61 | 40 | -24.40 | |
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) | | |
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