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Individual Calculations December 2019 |
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| Prince, Alan R Total change: -30.40 | |   |
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| Central London Chess Congress (Major Section) 2019 | London | ENG | 2019-11-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1543 | 1747 | 1.50 | 4 | -1.52 | 20 | -30.40 | |
|  Kelly, Ronan | | | 1584 | ENG | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Singha, Swati | | | 1419 | IND | 0.50 | 1 | -0.37 | 20 | -7.40 | |  Chantrell, Paul | | | 1546 | ENG | 0.00 | 1 | -0.76 | 20 | -15.20 | | | Valentine, Tim | | | 1621 | ENG | 0.00 | 1 | -0.67 | 20 | -13.40 | |
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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