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Individual Calculations January 2020 |
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| Peredun, Andrew Total change: -45.60 | |   |
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| 2019 Annual Motor City Open | Farmington Hills, Michigan | USA | 2019-11-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2247 | 2361 | 0.50 | 2 | -0.78 | 20 | -15.60 | |
|  Heimann, Mark | f | | 2377 | USA | 0.00 | 1 | -0.48 | 20 | -9.60 | |  Liang, Justin Sun | | | 2117 | USA | 0.50 | 1 | -0.30 | 20 | -6.00 | |
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) | | | | 2019 Cleveland Holiday Open | Mayfield, Ohio | USA | 2019-12-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1992 | 2361 | 3.00 | 5 | -1.50 | 20 | -30.00 | |
| | Sampath, Aja | | | 1961 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Parasuraman, Surya | | | 2009 | USA | 0.00 | 1 | -0.89 | 20 | -17.80 | | | Ning, Eric | | | 1961 * | CAN | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Beatrez, Patrick L | | | 1961 * | USA | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Li, Eric | | | 2066 | CAN | 0.50 | 1 | -0.35 | 20 | -7.00 | | | * 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) | | |
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