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Individual Calculations March 2018 |
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| O`neill, Tom C Total change: -19.20 | |   |
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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 |
| 1545 | 1518 | 0.00 | 1 | -0.46 | 20 | -9.20 | |
|  Pratley, Ian | | | 1545 | ENG | 0.00 | 1 | -0.46 | 20 | -9.20 | |
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) | | | | 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 |
| 1516 | 1517 | 1.00 | 3 | -0.50 | 20 | -10.00 | |
|  Wong, Cheuk Nam | | | 1543 | ENG | 0.00 | 1 | -0.46 | 20 | -9.20 | | | Miles, Barry S | | | 1509 | ENG | 1.00 | 1 | 0.49 | 20 | 9.80 | | | Morgan, David H | | | 1497 | ENG | 0.00 | 1 | -0.53 | 20 | -10.60 | |
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) | | |
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