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Individual Calculations October 2018 |
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| Del Rosario, Frisco Total change: -61.60 | |   |
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| 2018 CalChess State Championship | Union City, California | USA | 2018-09-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1991 | 1895 | 1.50 | 5 | -0.43 | 40 | -17.20 | |
|  O`connor, Derek | | | 2232 | USA | 0.00 | 1 | -0.12 | 40 | -4.80 | |  Nathan, Krishna | | | 1894 | USA | 0.50 | 1 | 0.00 | 40 | 0.00 | | | Pan, Kevin | | | 2040 | USA | 0.00 | 1 | -0.31 | 40 | -12.40 | | | Vidyarthi, Vyom | | | 1916 | USA | 0.00 | 1 | -0.47 | 40 | -18.80 | | | Sloan, Sam | | | 1875 | USA | 1.00 | 1 | 0.47 | 40 | 18.80 | |
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) | | | | 2018 Berkeley Open | Berkeley, California | USA | 2018-09-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1651 | 1895 | 0.50 | 2 | -1.11 | 40 | -44.40 | |
| | Penagalapati, Abhinav | | | 1626 | USA | 0.50 | 1 | -0.33 | 40 | -13.20 | | | Krishnakumar, Sriram | c | | 1675 | USA | 0.00 | 1 | -0.78 | 40 | -31.20 | |
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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