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Individual Calculations August 2023 |
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| Christiansen, Natasha Total change: 23.00 | |   |
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| 51st annual World Open - U2200 | Philadelphia, PA | USA | 2023-06-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1761 | 1568 | 2.00 | 5 | 0.72 | 20 | 14.40 | |
|  Mutnuri, Krishna S | | | 1681 | USA | 0.50 | 1 | 0.15 | 20 | 3.00 | |  Marshall, Calvin | | | 1740 | USA | 0.50 | 1 | 0.23 | 20 | 4.60 | | | Hood, Avery | | | 1863 | USA | 0.50 | 1 | 0.35 | 20 | 7.00 | | | Tang, Vincent | | | 1718 | USA | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Turner, Bill | | | 1803 | USA | 0.50 | 1 | 0.29 | 20 | 5.80 | |
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) | | | | 53rd annual Continental Open - U2100 | Marlborough, MA | USA | 2023-07-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1730 | 1550 | 1.00 | 2 | 0.43 | 20 | 8.60 | |
| | Carey, Michael P | | | 1866 | USA | 0.50 | 1 | 0.37 | 20 | 7.40 | | | Kupersmith, Alexander | | | 1593 | USA | 0.50 | 1 | 0.06 | 20 | 1.20 | |
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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