Individual Calculations January 2022 |
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Sun, Kevin Total change: -158.80 | | |
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Mechanics' Institute Tuesday Night Marathon November-December 2021 - 1800 Plus | San Francisco, California | USA | 2021-11-02 |
Rc | Ro | w | n | change | K | K*chg | Game |
1726 | 1699 | 1.00 | 4 | -0.86 | 40 | -34.40 | |
| Heidari, Ako | | | 1759 | IRI | 0.00 | 1 | -0.42 | 40 | -16.80 | | Mahooti, James | | | 1590 | USA | 0.50 | 1 | -0.15 | 40 | -6.00 | | Porlares, Teodoro | | | 1804 | USA | 0.00 | 1 | -0.36 | 40 | -14.40 | | Persidsky, Andre | | | 1751 | USA | 0.50 | 1 | 0.07 | 40 | 2.80 | | 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) | | 56th American Open - Open | Orange, California | USA | 2021-11-25 |
Rc | Ro | w | n | change | K | K*chg | Game |
1786 | 1699 | 0.50 | 5 | -1.53 | 40 | -61.20 | |
| Sivakumar, Shaaketh | | | 2099 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | Golsefidy, Sepehr | | | 1747 | USA | 0.00 | 1 | -0.43 | 40 | -17.20 | | Sathish, Pranav | | | 1774 | USA | 0.00 | 1 | -0.40 | 40 | -16.00 | | Liu, Patrick | | | 1750 | USA | 0.00 | 1 | -0.43 | 40 | -17.20 | | Liu, Aiden | | | 1559 | USA | 0.50 | 1 | -0.19 | 40 | -7.60 | | * 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) | | 2021 IM John Donaldson Championship - 1600-1999 | San Francisco, California | USA | 2021-12-18 |
Rc | Ro | w | n | change | K | K*chg | Game |
1533 | 1699 | 0.50 | 3 | -1.58 | 40 | -63.20 | |
| Tang, Dylan | | | 1488 | USA | 0.00 | 1 | -0.77 | 40 | -30.80 | | Bhaduri, Neil | | | 1364 | USA | 0.50 | 1 | -0.38 | 40 | -15.20 | | Melville, Cailen | | | 1746 | USA | 0.00 | 1 | -0.43 | 40 | -17.20 | | 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) | |
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