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Individual Calculations August 2019 |
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| Itkin, David Total change: 8.20 | |   |
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| 47th Annual World Open | Philadelphia, Pennsylvania | USA | 2019-07-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2193 | 2247 | 5.50 | 9 | 0.41 | 20 | 8.20 | |
|  Altman, Joshua | c | | 1856 | ENG | 1.00 | 1 | 0.09 | 20 | 1.80 | |  Chirila, Ioan-Cristian | g | | 2534 | ROU | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Baquero, Luis | | | 2070 | COL | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Hong, Andrew | m | | 2434 | USA | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Liang, Jason | | | 2049 | USA | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Sheng, Joshua | m | | 2449 | USA | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Studen, Damir | | | 2110 | USA | 0.50 | 1 | -0.18 | 20 | -3.60 | | | Chen, Max | c | | 2093 | CAN | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Black, James | | | 2143 | USA | 1.00 | 1 | 0.36 | 20 | 7.20 | |
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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