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Individual Calculations September 2021 |
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| Porlares, Ted Total change: 0.40 | |   |
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| Mechanics Institute Tuesday Night Marathon July-August 2021 - Reserve | San Francisco, California | USA | 2021-07-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1525 | 1800 | 1.00 | 2 | -0.65 | 20 | -13.00 | |
|  Hao, Max | | | 1475 | USA | 0.50 | 1 | -0.37 | 20 | -7.40 | |  Rakonitz, David | | | 1575 | USA | 0.50 | 1 | -0.28 | 20 | -5.60 | |
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 Bernardo Smith Memorial - 1600-1999 | San Francisco, California | USA | 2021-08-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1559 | 1800 | 3.00 | 3 | 0.67 | 20 | 13.40 | |
| | Uzakbaev, Nursultan | | | 1547 | USA | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Mercado, Adam | | | 1729 | USA | 1.00 | 1 | 0.40 | 20 | 8.00 | | | Ganesan, Vikrant | | | 1400 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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) | | |
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