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Individual Calculations October 2021 |
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| Liu, Aiden Q Total change: 20.40 | |   |
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| BayAreaChess 45th People's Tournament - A | Santa Clara, California | USA | 2021-09-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1643 | 1545 | 1.50 | 4 | 0.00 | 40 | 0.00 | |
|  Meiyappan, Kavya | | | 1362 | USA | 1.00 | 1 | 0.26 | 40 | 10.40 | |  Lardent, Ranen A | | | 1774 | USA | 0.50 | 1 | 0.29 | 40 | 11.60 | | | Kelly, Sean | | | 1782 | USA | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Ho, Michael S | | | 1653 | USA | 0.00 | 1 | -0.35 | 40 | -14.00 | |
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) | | | | 2021 Las Vegas Open - Under 2200 | Las Vegas, Nevada | USA | 2021-09-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1854 | 1545 | 1.00 | 3 | 0.51 | 40 | 20.40 | |
| | Hong, Pearson | | | 1682 | USA | 0.00 | 1 | -0.32 | 40 | -12.80 | | | Barbre, Stephen | | | 1935 | USA | 1.00 | 1 | 0.91 | 40 | 36.40 | | | Doyle, Bryon | | | 1945 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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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