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Individual Calculations December 2021 |
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| Howes, David J Total change: 20.20 | |   |
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| Coulsdon Chess Dicky White S3 NOV 2020 | London | ENG | 2021-11-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1381 | 1323 | 3.00 | 4 | 1.31 | 20 | 26.20 | |
|  O`neill, Tom C | | | 1399 | SCO | 0.50 | 1 | 0.10 | 20 | 2.00 | |  Stoneman, Ian D | | | 1341 | ENG | 1.00 | 1 | 0.53 | 20 | 10.60 | | | Corner, Mike | | | 1468 | ENG | 1.00 | 1 | 0.69 | 20 | 13.80 | | | Marsden, Rupert | | | 1317 | ENG | 0.50 | 1 | -0.01 | 20 | -0.20 | |
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) | | | | Coulsdon Chess Daytime Chess Autumn 2021 S3 - NOV 2021 | London | ENG | 2021-11-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1440 | 1323 | 0.50 | 2 | -0.30 | 20 | -6.00 | |
| | Woolley, Michael P | | | 1157 | ENG | 0.50 | 1 | -0.22 | 20 | -4.40 | | | Keane, Graham Dj | | | 1723 * | ENG | 0.00 | 1 | -0.08 | 20 | -1.60 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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