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Individual Calculations February 2023 |
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| Kusumakar, Ruari Total change: -20.00 | |   |
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| Coulsdon Chess Dicky White - December | London | ENG | 2022-11-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1347 | 1303 | 1.00 | 3 | -0.34 | 40 | -13.60 | |
|  Boztas, Lana | | | 1358 | ENG | 1.00 | 1 | 0.58 | 40 | 23.20 | |  Bloom, Paul | | | 1576 | ENG | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Kesaev, Timur | | | 1107 | ENG | 0.00 | 1 | -0.75 | 40 | -30.00 | |
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) | | | | Coulsdon Chess Dicky White - January | London | ENG | 2023-01-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1438 | 1307 | 0.50 | 2 | -0.16 | 40 | -6.40 | |
| | Warner, Dominic W J | | | 1512 | ENG | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Boztas, Lana | | | 1364 | ENG | 0.50 | 1 | 0.08 | 40 | 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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