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Individual Calculations October 2021 |
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| Trey, Justin Total change: 75.60 | |   |
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| 87th Annual Southwest Open - Reserve | Irving, Texas | USA | 2021-09-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1321 | 1332 | 2.00 | 2 | 0.97 | 40 | 38.80 | |
|  Li, Benjamin | | | 1182 | USA | 1.00 | 1 | 0.30 | 40 | 12.00 | | | Ramachandran, Advait | | | 1460 | USA | 1.00 | 1 | 0.67 | 40 | 26.80 | |
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) | | | | 2021 Texas Fall Open | Westlake, Texas | USA | 2021-09-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1655 | 1332 | 1.50 | 4 | 0.92 | 40 | 36.80 | |
| | Dai, George J | | | 1691 | USA | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Redfield, Grant | | | 1732 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Gupta, Sara Sachin | | | 1464 | USA | 1.00 | 1 | 0.68 | 40 | 27.20 | | | Nandhakumar, Vaseegaran | | | 1732 * | USA | 0.50 | 1 | 0.42 | 40 | 16.80 | | | * 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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