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Individual Calculations May 2019 |
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| Yan, Rui Yang Total change: -28.80 | |   |
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| FM Eric Schiller Memorial Championship | Santa Clara, California | USA | 2019-03-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1709 | 1999 | 3.50 | 5 | -0.61 | 40 | -24.40 | |
|  Xie, Bryan | | | 1599 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Lu, Joshua | | | 1947 | USA | 0.50 | 1 | -0.07 | 40 | -2.80 | | | Eswaran, Aksithi | | wc | 1627 | USA | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Xie, Brandon | | | 1674 | USA | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Sivakumar, Shaaketh | | | 1697 | USA | 0.00 | 1 | -0.85 | 40 | -34.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | Northern California Barber Qualifier | Pleasanton, California | USA | 2019-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1748 | 1986 | 3.50 | 4 | 0.34 | 40 | 13.60 | |
| | Penagalapati, Abhi | | | 1678 | USA | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Palusa, Maurya | | | 1787 | USA | 0.50 | 1 | -0.26 | 40 | -10.40 | | | Sairam, Pranav | | | 1663 | USA | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Krishnakumar, Sriram | c | | 1864 | USA | 1.00 | 1 | 0.33 | 40 | 13.20 | |
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) | | | | Berkeley Weekender April 2019 | Berkeley, California | USA | 2019-04-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1934 | 1986 | 2.50 | 4 | 0.25 | 40 | 10.00 | |
| | Sivakumar, Shaashw | | | 1730 | USA | 0.50 | 1 | -0.31 | 40 | -12.40 | | | Walder, Michael | | | 1900 | USA | 1.00 | 1 | 0.38 | 40 | 15.20 | | | Lee, Megan | | wm | 2134 | USA | 0.00 | 1 | -0.30 | 40 | -12.00 | | | Kim, Isaiah | | | 1972 | USA | 1.00 | 1 | 0.48 | 40 | 19.20 | |
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) | | | | Bay Area Chess Spring Championship | Santa Clara, California | USA | 2019-04-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1780 | 1986 | 1.50 | 3 | -0.70 | 40 | -28.00 | |
| | Singhal, Sanat | | | 1744 | IND | 0.00 | 1 | -0.80 | 40 | -32.00 | | | Liang, Andrew | | | 1594 | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Gallegos, Paul | | | 2002 | USA | 0.50 | 1 | 0.02 | 40 | 0.80 | |
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) | | |
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