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Individual Calculations February 2024 |
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| Miles, Barry S Total change: 23.80 | |   |
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| Coulsdon Chess Dicky White January 2024 | Coulsdon | ENG | 2024-01-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1366 | 1292 | 2.00 | 3 | 0.80 | 20 | 16.00 | |
|  Boztas, Lana | | | 1349 | ENG | 1.00 | 1 | 0.58 | 20 | 11.60 | | | Pratley, Ian | | | 1428 | ENG | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Ma, Rufus | | | 1320 | ENG | 1.00 | 1 | 0.54 | 20 | 10.80 | |
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) | | | | Coulsdon Chess Daytime Chess Club Spring 2024 - January | Coulsdon | ENG | 2024-01-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1253 | 1292 | 1.50 | 2 | 0.39 | 20 | 7.80 | |
| | Mann, Alex | | | 1322 | ENG | 1.00 | 1 | 0.54 | 20 | 10.80 | |  Woolley, Michael P | | | 1184 | ENG | 0.50 | 1 | -0.15 | 20 | -3.00 | |
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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