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Individual Calculations August 2023 |
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| Altucher, James Total change: -8.40 | |   |
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| 51st annual World Open - Open | Philadelphia, PA | USA | 2023-06-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2094 | 1811 | 0.00 | 3 | -0.50 | 20 | -10.00 | |
|  Zhong, Kevin | f | | 2156 | CAN | 0.00 | 1 | -0.11 | 20 | -2.20 | |  Meduri, Aakaash | | | 2017 | USA | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Kaplan, Avi Harrison | | | 2110 | USA | 0.00 | 1 | -0.15 | 20 | -3.00 | |
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) | | | | 51st annual World Open - U2200 | Philadelphia, PA | USA | 2023-06-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1624 | 1811 | 3.00 | 4 | 0.08 | 20 | 1.60 | |
| | Spencer, Chris | | | 1686 | USA | 0.00 | 1 | -0.67 | 20 | -13.40 | | | Qi, Jenny | | | 1614 | USA | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Kelly, Jacob | | | 1453 | USA | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Chiu, Calvin K | | | 1742 | 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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