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Individual Calculations April 2023 |
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| Miles, Barry S Total change: -12.20 | |   |
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| Coulsdon Chess Dicky White - March | London | ENG | 2023-02-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1453 | 1403 | 0.00 | 1 | -0.43 | 20 | -8.60 | |
|  Whelan, Joseph | | | 1453 | ENG | 0.00 | 1 | -0.43 | 20 | -8.60 | |
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) | | | | Coulsdon Chess Daytime Chess March 2023 | Coulsdon | ENG | 2023-03-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1314 | 1383 | 1.00 | 2 | -0.18 | 20 | -3.60 | |
| | Bermudez, Venerando | | | 1402 | ENG | 0.00 | 1 | -0.47 | 20 | -9.40 | |  Fazia, Salvatore | | | 1226 | ENG | 1.00 | 1 | 0.29 | 20 | 5.80 | |
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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