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Individual Calculations March 2018 |
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| Wong, Cheuk Nam Total change: 57.20 | |   |
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| CCF WINTER CHESS 2017-18 LONGPLAY JANUARY 2018 B | London | ENG | 2018-01-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1158 | 1543 | 1.00 | 1 | 0.09 | 40 | 3.60 | |
|  Couchman, Andrew A | | | 1158 | ENG | 1.00 | 1 | 0.09 | 40 | 3.60 | |
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) | | | | CCF WINTER CHESS 2017-18 LONG PLAY RESULTS FEBRUARY 2018 A | Coulsdon | ENG | 2018-02-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1506 | 1543 | 3.00 | 3 | 1.34 | 40 | 53.60 | |
|  O`neill, Tom C | | | 1517 | SCO | 1.00 | 1 | 0.46 | 40 | 18.40 | | | Ito-Aramendia, Alejandro | | | 1546 | ENG | 1.00 | 1 | 0.50 | 40 | 20.00 | | | Howes, David J | | | 1454 | ENG | 1.00 | 1 | 0.38 | 40 | 15.20 | |
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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