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Individual Calculations May 2023 |
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| Hall, Antony C Total change: -14.80 | |   |
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| Central London Chess Congress April 2023 - Major Under 2000 | London | ENG | 2023-04-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1618 | 1817 | 3.00 | 5 | -0.74 | 20 | -14.80 | |
|  Sturt, Charles A | | | 1625 | ENG | 1.00 | 1 | 0.25 | 20 | 5.00 | |  Lake, Chris | | | 1704 | SRB | 0.50 | 1 | -0.15 | 20 | -3.00 | | | Santos Ruiz, Adrian | | | 1724 | MEX | 0.00 | 1 | -0.63 | 20 | -12.60 | | | Singha, Swati | | | 1499 | IND | 0.50 | 1 | -0.37 | 20 | -7.40 | | | Gonzales, Ceferino | | | 1537 | PHI | 1.00 | 1 | 0.16 | 20 | 3.20 | |
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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