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Individual Calculations February 2019 |
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| Li, Zhaozhi Total change: 10.90 | |   |
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| 28th Annual North American Open | Las Vegas, Nevada | USA | 2018-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2260 | 2399 | 7.00 | 9 | 1.01 | 10 | 10.10 | |
|  Yanayt, Eugene | f | | 2121 | USA | 0.00 | 1 | -0.83 | 10 | -8.30 | |  Liu, Aristo | f | | 2062 | USA | 1.00 | 1 | 0.12 | 10 | 1.20 | | | Song, Guannan Terry | f | | 2124 | CAN | 0.50 | 1 | -0.33 | 10 | -3.30 | | | Martinez, Isaac | | | 2134 | USA | 1.00 | 1 | 0.18 | 10 | 1.80 | | | Nguyen, Emily | | wm | 2262 | USA | 1.00 | 1 | 0.32 | 10 | 3.20 | | | He, Anthony | f | | 2251 | USA | 1.00 | 1 | 0.30 | 10 | 3.00 | | | Song, Edward | f | | 2355 | USA | 0.50 | 1 | -0.06 | 10 | -0.60 | | | Becerra Rivero, Julio | g | | 2520 | USA | 1.00 | 1 | 0.66 | 10 | 6.60 | | | Zierk, Steven | g | | 2510 | USA | 1.00 | 1 | 0.65 | 10 | 6.50 | |
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 International | Burlingame, California | USA | 2019-01-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2350 | 2395 | 5.00 | 9 | 0.08 | 10 | 0.80 | |
| | Polavaram, Rithik | | | 2056 | USA | 1.00 | 1 | 0.12 | 10 | 1.20 | | | Dragun, Kamil | g | | 2578 | POL | 0.50 | 1 | 0.24 | 10 | 2.40 | | | Brown, Michael William | m | | 2524 | USA | 0.50 | 1 | 0.17 | 10 | 1.70 | | | Venkataraman, Karthik | g | | 2515 | IND | 0.00 | 1 | -0.34 | 10 | -3.40 | | | Mishra, Abhimanyu | c | | 2120 | USA | 0.50 | 1 | -0.33 | 10 | -3.30 | | | Polgar-Shutzman, Tom | | | 2181 | USA | 1.00 | 1 | 0.23 | 10 | 2.30 | | | Ke, Ivan | | | 2251 | USA | 1.00 | 1 | 0.31 | 10 | 3.10 | | | Escalante Ramirez, Brian Sebasti | m | | 2446 | PER | 0.00 | 1 | -0.43 | 10 | -4.30 | | | Hevia Alejano, Carlos Antonio | g | | 2476 | CUB | 0.50 | 1 | 0.11 | 10 | 1.10 | |
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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