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Individual Calculations November 2022 |
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| Boztas, Lana Total change: -28.60 | |   |
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| Coulsdon Chess Dicky White - October | London | ENG | 2022-10-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1305 | 1387 | 1.00 | 4 | -1.43 | 20 | -28.60 | |
|  Smyth, Sandy A | | | 1286 | ENG | 0.00 | 1 | -0.64 | 20 | -12.80 | | | Howes, David J | | | 1342 | ENG | 0.50 | 1 | -0.06 | 20 | -1.20 | |  Collins, Michael E | | | 1168 | ENG | 0.50 | 1 | -0.28 | 20 | -5.60 | | | Kumar, Sachin | | | 1425 | ENG | 0.00 | 1 | -0.45 | 20 | -9.00 | |
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) | | |
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